{"title":"Flat Stock","description":"\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003eVersatile and essential for countless interior finishing projects, our selection of flat stock offers clean lines and endless possibilities. Also known as S4S (surfaced four sides) lumber, flat stock is ideal for creating custom trim, casings, baseboards, window and door accents, shelving, or modern minimalist moulding. We carry a wide selection of sizes, profiles, and species—including MDF, pine, fir, hemlock, and more—so you can find the perfect material to suit your style and project needs. Whether you're building new or updating an existing space, flat stock provides a simple, refined look that works beautifully in both traditional and contemporary designs. As a proudly Canadian company with locally owned stores, Windsor Plywood offers hard-to-source materials, quality craftsmanship, and expert advice. \u003ca href=\"https:\/\/www.windsorplywood.ca\/pages\/store-locator\"\u003e\u003cstrong\u003eVisit your local store\u003c\/strong\u003e\u003c\/a\u003e to browse our full selection of flat stock and find exactly what you need to bring your vision to life.\u003c\/span\u003e\u003c\/p\u003e","products":[{"product_id":"m1x10-9-1-4-inch-flatstock-s4s-e2e-mdf","title":"M1X10 9-1\/4\" Flatstock S4S E2E Primed MDF","description":"\u003cp\u003eM1X10 9-1\/4\" Flatstock S4S E2E Primed MDF is a smooth, knot-free MDF flatstock, factory-primed and ready for topcoat. Flatstock is a smooth, square-edged board used as a building block for custom trim assemblies, window and door surrounds, mantels, built-in shelving, and any application where a plain, straight-edged profile is needed. Available at Windsor Plywood locations across Canada.\u003c\/p\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFactory-primed MDF -- smooth, knot-free surface paints to a flawless finish without site priming\u003c\/li\u003e\n\u003cli\u003eConsistent density throughout -- no grain telegraphing, no knots, no resin bleed under paint\u003c\/li\u003e\n\u003cli\u003eEased 2 Edges (E2E) profile at 10 -- Interior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/li\u003e\n\u003cli\u003eAvailable at Windsor Plywood locations across Canada -- confirm stock at your local branch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eMDF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eProfile\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eEased 2 Edges (E2E)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eWidth\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e9-1\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eFinish \/ Coating\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eFactory white primer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eApplication\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eInterior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eAvailability\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eIn-store -- confirm current stock with your local Windsor Plywood location. Some products may be special order.\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eCommon Uses\u003c\/h4\u003e\n\u003cp\u003eCut to size and install with finish nails or construction adhesive. Flatstock is the base component for custom trim builds -- combine multiple widths and profiles to create elaborate door surrounds and mantels. MDF is a paint-only material. It does not accept stain and must be kept dry -- do not install in bathrooms or high-humidity areas.\u003c\/p\u003e\n\u003ch4\u003ePro Tips\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFlatstock is the DIY trim builder's best friend. Combine a wide flatstock header with casing legs to create a Craftsman-style door surround without buying specialty moulding.\u003c\/li\u003e\n\u003cli\u003eApply two coats of quality interior latex paint in satin or semi-gloss directly over the factory primer. Seal all cut edges with primer before painting -- exposed MDF edges absorb paint unevenly.\u003c\/li\u003e\n\u003cli\u003eFor custom mantel and built-in applications, rip flatstock to the exact width needed on a table saw. The square edges allow precise custom sizing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is flatstock used for?\u003c\/strong\u003e\u003cbr\u003eFlatstock is a square-edged board used to build custom trim assemblies, window headers, mantels, and built-in shelving. It is the base material for any trim design that starts with a straight, flat profile.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use MDF moulding in a bathroom?\u003c\/strong\u003e\u003cbr\u003eNo. MDF absorbs moisture and swells irreversibly. Use solid wood (hemlock or cedar) moulding in bathrooms and high-humidity areas.\u003c\/p\u003e","brand":"Alexandria Mouldings","offers":[{"title":"Default Title","offer_id":50093174915370,"sku":"","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/8622\/9546\/files\/M1X10914FlatstockS4SE2EMDF-Resized.jpg?v=1759445365"},{"product_id":"121x8-7-1-4-inch-flatstock-s4s-e2e-mdf","title":"121X8 7-1\/4\" Flatstock S4S E2E Primed MDF","description":"\u003cp\u003e121X8 7-1\/4\" Flatstock S4S E2E Primed MDF is a smooth, knot-free MDF flatstock, factory-primed and ready for topcoat. Flatstock is a smooth, square-edged board used as a building block for custom trim assemblies, window and door surrounds, mantels, built-in shelving, and any application where a plain, straight-edged profile is needed. Available at Windsor Plywood locations across Canada.\u003c\/p\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFactory-primed MDF -- smooth, knot-free surface paints to a flawless finish without site priming\u003c\/li\u003e\n\u003cli\u003eConsistent density throughout -- no grain telegraphing, no knots, no resin bleed under paint\u003c\/li\u003e\n\u003cli\u003eEased 2 Edges (E2E) profile at 121 -- Interior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/li\u003e\n\u003cli\u003eAvailable at Windsor Plywood locations across Canada -- confirm stock at your local branch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eMDF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eProfile\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eEased 2 Edges (E2E)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eWidth\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e7-1\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eFinish \/ Coating\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eFactory white primer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eApplication\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eInterior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eAvailability\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eIn-store -- confirm current stock with your local Windsor Plywood location. Some products may be special order.\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eCommon Uses\u003c\/h4\u003e\n\u003cp\u003eCut to size and install with finish nails or construction adhesive. Flatstock is the base component for custom trim builds -- combine multiple widths and profiles to create elaborate door surrounds and mantels. MDF is a paint-only material. It does not accept stain and must be kept dry -- do not install in bathrooms or high-humidity areas.\u003c\/p\u003e\n\u003ch4\u003ePro Tips\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFlatstock is the DIY trim builder's best friend. Combine a wide flatstock header with casing legs to create a Craftsman-style door surround without buying specialty moulding.\u003c\/li\u003e\n\u003cli\u003eApply two coats of quality interior latex paint in satin or semi-gloss directly over the factory primer. Seal all cut edges with primer before painting -- exposed MDF edges absorb paint unevenly.\u003c\/li\u003e\n\u003cli\u003eFor custom mantel and built-in applications, rip flatstock to the exact width needed on a table saw. The square edges allow precise custom sizing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is flatstock used for?\u003c\/strong\u003e\u003cbr\u003eFlatstock is a square-edged board used to build custom trim assemblies, window headers, mantels, and built-in shelving. It is the base material for any trim design that starts with a straight, flat profile.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use MDF moulding in a bathroom?\u003c\/strong\u003e\u003cbr\u003eNo. MDF absorbs moisture and swells irreversibly. Use solid wood (hemlock or cedar) moulding in bathrooms and high-humidity areas.\u003c\/p\u003e","brand":"Alexandria Mouldings","offers":[{"title":"Default Title","offer_id":50093174948138,"sku":"","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/8622\/9546\/files\/MDF_121X8-16.png?v=1770654928"},{"product_id":"121x6-5-1-2-inch-flatstock-s4s-e2e-mdf","title":"121X6 5-1\/2\" Flatstock S4S E2E Primed MDF","description":"\u003cp\u003e121X6 5-1\/2\" Flatstock S4S E2E Primed MDF is a smooth, knot-free MDF flatstock, factory-primed and ready for topcoat. Flatstock is a smooth, square-edged board used as a building block for custom trim assemblies, window and door surrounds, mantels, built-in shelving, and any application where a plain, straight-edged profile is needed. Available at Windsor Plywood locations across Canada.\u003c\/p\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFactory-primed MDF -- smooth, knot-free surface paints to a flawless finish without site priming\u003c\/li\u003e\n\u003cli\u003eConsistent density throughout -- no grain telegraphing, no knots, no resin bleed under paint\u003c\/li\u003e\n\u003cli\u003eEased 2 Edges (E2E) profile at 121 -- Interior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/li\u003e\n\u003cli\u003eAvailable at Windsor Plywood locations across Canada -- confirm stock at your local branch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eMDF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eProfile\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eEased 2 Edges (E2E)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eWidth\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e5-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eFinish \/ Coating\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eFactory white primer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eApplication\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eInterior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eAvailability\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eIn-store -- confirm current stock with your local Windsor Plywood location. Some products may be special order.\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eCommon Uses\u003c\/h4\u003e\n\u003cp\u003eCut to size and install with finish nails or construction adhesive. Flatstock is the base component for custom trim builds -- combine multiple widths and profiles to create elaborate door surrounds and mantels. MDF is a paint-only material. It does not accept stain and must be kept dry -- do not install in bathrooms or high-humidity areas.\u003c\/p\u003e\n\u003ch4\u003ePro Tips\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFlatstock is the DIY trim builder's best friend. Combine a wide flatstock header with casing legs to create a Craftsman-style door surround without buying specialty moulding.\u003c\/li\u003e\n\u003cli\u003eApply two coats of quality interior latex paint in satin or semi-gloss directly over the factory primer. Seal all cut edges with primer before painting -- exposed MDF edges absorb paint unevenly.\u003c\/li\u003e\n\u003cli\u003eFor custom mantel and built-in applications, rip flatstock to the exact width needed on a table saw. The square edges allow precise custom sizing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is flatstock used for?\u003c\/strong\u003e\u003cbr\u003eFlatstock is a square-edged board used to build custom trim assemblies, window headers, mantels, and built-in shelving. It is the base material for any trim design that starts with a straight, flat profile.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use MDF moulding in a bathroom?\u003c\/strong\u003e\u003cbr\u003eNo. MDF absorbs moisture and swells irreversibly. Use solid wood (hemlock or cedar) moulding in bathrooms and high-humidity areas.\u003c\/p\u003e","brand":"Alexandria Mouldings","offers":[{"title":"Default Title","offer_id":50093177372970,"sku":"","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/8622\/9546\/files\/121X6512FlatstockS4SE2EMDF-Resized.jpg?v=1759445246"},{"product_id":"121x5-4-1-2-inch-flatstock-s4s-e2e-mdf","title":"121X5 4-1\/2\" Flatstock S4S E2E Primed MDF","description":"\u003cp\u003e121X5 4-1\/2\" Flatstock S4S E2E Primed MDF is a smooth, knot-free MDF flatstock, factory-primed and ready for topcoat. Flatstock is a smooth, square-edged board used as a building block for custom trim assemblies, window and door surrounds, mantels, built-in shelving, and any application where a plain, straight-edged profile is needed. Available at Windsor Plywood locations across Canada.\u003c\/p\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFactory-primed MDF -- smooth, knot-free surface paints to a flawless finish without site priming\u003c\/li\u003e\n\u003cli\u003eConsistent density throughout -- no grain telegraphing, no knots, no resin bleed under paint\u003c\/li\u003e\n\u003cli\u003eEased 2 Edges (E2E) profile at 121 -- Interior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/li\u003e\n\u003cli\u003eAvailable at Windsor Plywood locations across Canada -- confirm stock at your local branch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eMDF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eProfile\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eEased 2 Edges (E2E)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eWidth\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e4-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eFinish \/ Coating\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eFactory white primer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eApplication\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eInterior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eAvailability\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eIn-store -- confirm current stock with your local Windsor Plywood location. Some products may be special order.\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eCommon Uses\u003c\/h4\u003e\n\u003cp\u003eCut to size and install with finish nails or construction adhesive. Flatstock is the base component for custom trim builds -- combine multiple widths and profiles to create elaborate door surrounds and mantels. MDF is a paint-only material. It does not accept stain and must be kept dry -- do not install in bathrooms or high-humidity areas.\u003c\/p\u003e\n\u003ch4\u003ePro Tips\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFlatstock is the DIY trim builder's best friend. Combine a wide flatstock header with casing legs to create a Craftsman-style door surround without buying specialty moulding.\u003c\/li\u003e\n\u003cli\u003eApply two coats of quality interior latex paint in satin or semi-gloss directly over the factory primer. Seal all cut edges with primer before painting -- exposed MDF edges absorb paint unevenly.\u003c\/li\u003e\n\u003cli\u003eFor custom mantel and built-in applications, rip flatstock to the exact width needed on a table saw. The square edges allow precise custom sizing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is flatstock used for?\u003c\/strong\u003e\u003cbr\u003eFlatstock is a square-edged board used to build custom trim assemblies, window headers, mantels, and built-in shelving. It is the base material for any trim design that starts with a straight, flat profile.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use MDF moulding in a bathroom?\u003c\/strong\u003e\u003cbr\u003eNo. MDF absorbs moisture and swells irreversibly. Use solid wood (hemlock or cedar) moulding in bathrooms and high-humidity areas.\u003c\/p\u003e","brand":"Alexandria Mouldings","offers":[{"title":"Default Title","offer_id":50093177405738,"sku":"","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/8622\/9546\/files\/MDF_121X5-16.png?v=1770654921"},{"product_id":"121x4-3-1-2-inch-flatstock-s4s-e2e-mdf","title":"121X4 3-1\/2\" Flatstock S4S E2E Primed MDF","description":"\u003cp\u003e121X4 3-1\/2\" Flatstock S4S E2E Primed MDF is a smooth, knot-free MDF flatstock, factory-primed and ready for topcoat. Flatstock is a smooth, square-edged board used as a building block for custom trim assemblies, window and door surrounds, mantels, built-in shelving, and any application where a plain, straight-edged profile is needed. Available at Windsor Plywood locations across Canada.\u003c\/p\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFactory-primed MDF -- smooth, knot-free surface paints to a flawless finish without site priming\u003c\/li\u003e\n\u003cli\u003eConsistent density throughout -- no grain telegraphing, no knots, no resin bleed under paint\u003c\/li\u003e\n\u003cli\u003eEased 2 Edges (E2E) profile at 121 -- Interior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/li\u003e\n\u003cli\u003eAvailable at Windsor Plywood locations across Canada -- confirm stock at your local branch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eMDF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eProfile\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eEased 2 Edges (E2E)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eWidth\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e3-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eFinish \/ Coating\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eFactory white primer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eApplication\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eInterior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eAvailability\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eIn-store -- confirm current stock with your local Windsor Plywood location. Some products may be special order.\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eCommon Uses\u003c\/h4\u003e\n\u003cp\u003eCut to size and install with finish nails or construction adhesive. Flatstock is the base component for custom trim builds -- combine multiple widths and profiles to create elaborate door surrounds and mantels. MDF is a paint-only material. It does not accept stain and must be kept dry -- do not install in bathrooms or high-humidity areas.\u003c\/p\u003e\n\u003ch4\u003ePro Tips\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFlatstock is the DIY trim builder's best friend. Combine a wide flatstock header with casing legs to create a Craftsman-style door surround without buying specialty moulding.\u003c\/li\u003e\n\u003cli\u003eApply two coats of quality interior latex paint in satin or semi-gloss directly over the factory primer. Seal all cut edges with primer before painting -- exposed MDF edges absorb paint unevenly.\u003c\/li\u003e\n\u003cli\u003eFor custom mantel and built-in applications, rip flatstock to the exact width needed on a table saw. The square edges allow precise custom sizing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is flatstock used for?\u003c\/strong\u003e\u003cbr\u003eFlatstock is a square-edged board used to build custom trim assemblies, window headers, mantels, and built-in shelving. It is the base material for any trim design that starts with a straight, flat profile.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use MDF moulding in a bathroom?\u003c\/strong\u003e\u003cbr\u003eNo. MDF absorbs moisture and swells irreversibly. Use solid wood (hemlock or cedar) moulding in bathrooms and high-humidity areas.\u003c\/p\u003e","brand":"Alexandria Mouldings","offers":[{"title":"Default Title","offer_id":50093177438506,"sku":"","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/8622\/9546\/files\/MDF_121X4-16.png?v=1770654924"},{"product_id":"121x3-2-1-2-inch-flatstock-s4s-e2e-mdf","title":"121X3 2-1\/2\" Flatstock S4S E2E Primed MDF","description":"\u003cp\u003e121X3 2-1\/2\" Flatstock S4S E2E Primed MDF is a smooth, knot-free MDF flatstock, factory-primed and ready for topcoat. Flatstock is a smooth, square-edged board used as a building block for custom trim assemblies, window and door surrounds, mantels, built-in shelving, and any application where a plain, straight-edged profile is needed. Available at Windsor Plywood locations across Canada.\u003c\/p\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFactory-primed MDF -- smooth, knot-free surface paints to a flawless finish without site priming\u003c\/li\u003e\n\u003cli\u003eConsistent density throughout -- no grain telegraphing, no knots, no resin bleed under paint\u003c\/li\u003e\n\u003cli\u003eEased 2 Edges (E2E) profile at 121 -- Interior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/li\u003e\n\u003cli\u003eAvailable at Windsor Plywood locations across Canada -- confirm stock at your local branch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eMDF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eProfile\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eEased 2 Edges (E2E)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eWidth\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e2-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eFinish \/ Coating\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eFactory white primer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eApplication\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eInterior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eAvailability\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eIn-store -- confirm current stock with your local Windsor Plywood location. Some products may be special order.\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eCommon Uses\u003c\/h4\u003e\n\u003cp\u003eCut to size and install with finish nails or construction adhesive. Flatstock is the base component for custom trim builds -- combine multiple widths and profiles to create elaborate door surrounds and mantels. MDF is a paint-only material. It does not accept stain and must be kept dry -- do not install in bathrooms or high-humidity areas.\u003c\/p\u003e\n\u003ch4\u003ePro Tips\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFlatstock is the DIY trim builder's best friend. Combine a wide flatstock header with casing legs to create a Craftsman-style door surround without buying specialty moulding.\u003c\/li\u003e\n\u003cli\u003eApply two coats of quality interior latex paint in satin or semi-gloss directly over the factory primer. Seal all cut edges with primer before painting -- exposed MDF edges absorb paint unevenly.\u003c\/li\u003e\n\u003cli\u003eFor custom mantel and built-in applications, rip flatstock to the exact width needed on a table saw. The square edges allow precise custom sizing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is flatstock used for?\u003c\/strong\u003e\u003cbr\u003eFlatstock is a square-edged board used to build custom trim assemblies, window headers, mantels, and built-in shelving. It is the base material for any trim design that starts with a straight, flat profile.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use MDF moulding in a bathroom?\u003c\/strong\u003e\u003cbr\u003eNo. MDF absorbs moisture and swells irreversibly. Use solid wood (hemlock or cedar) moulding in bathrooms and high-humidity areas.\u003c\/p\u003e","brand":"Alexandria Mouldings","offers":[{"title":"Default Title","offer_id":50093177471274,"sku":"","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/8622\/9546\/files\/121X3212FlatstockS4SE2EMDF-Resized.jpg?v=1759445033"},{"product_id":"001x8-7-1-4-inch-flatstock-s4s-e4e-primed-finger-jointed-pine","title":"001X8 7-1\/4\" Flatstock S4S E4E Primed Finger Jointed Pine","description":"\u003cp\u003e001X8 7-1\/4\" Flatstock S4S E4E Primed Finger Jointed Pine is a solid pine flatstock, factory-primed and ready for topcoat. Flatstock is a smooth, square-edged board used as a building block for custom trim assemblies, window and door surrounds, mantels, built-in shelving, and any application where a plain, straight-edged profile is needed. Available at Windsor Plywood locations across Canada.\u003c\/p\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSolid Pine -- natural wood character with visible grain, accepts paint, stain, and clear finish\u003c\/li\u003e\n\u003cli\u003eThe most affordable solid wood moulding option for residential interiors\u003c\/li\u003e\n\u003cli\u003eSurfaced 4 Sides (S4S) profile at 001 -- Interior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/li\u003e\n\u003cli\u003eAvailable at Windsor Plywood locations across Canada -- confirm stock at your local branch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eSolid Pine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eProfile\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eSurfaced 4 Sides (S4S)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eWidth\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e7-1\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eFinish \/ Coating\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eFactory white primer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eApplication\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eInterior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eAvailability\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eIn-store -- confirm current stock with your local Windsor Plywood location. Some products may be special order.\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eCommon Uses\u003c\/h4\u003e\n\u003cp\u003eCut to size and install with finish nails or construction adhesive. Flatstock is the base component for custom trim builds -- combine multiple widths and profiles to create elaborate door surrounds and mantels. Seal all knots with shellac-based primer (such as Zinsser BIN) before painting. Pine knots bleed through standard latex paint and primers.\u003c\/p\u003e\n\u003ch4\u003ePro Tips\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFlatstock is the DIY trim builder's best friend. Combine a wide flatstock header with casing legs to create a Craftsman-style door surround without buying specialty moulding.\u003c\/li\u003e\n\u003cli\u003eFor paint: seal knots with shellac-based primer (Zinsser BIN) before priming and painting. For stain: apply pre-stain conditioner first to reduce blotching. For clear finish: sand to 180-grit and apply polyurethane.\u003c\/li\u003e\n\u003cli\u003eFor custom mantel and built-in applications, rip flatstock to the exact width needed on a table saw. The square edges allow precise custom sizing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is flatstock used for?\u003c\/strong\u003e\u003cbr\u003eFlatstock is a square-edged board used to build custom trim assemblies, window headers, mantels, and built-in shelving. It is the base material for any trim design that starts with a straight, flat profile.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill pine knots bleed through paint?\u003c\/strong\u003e\u003cbr\u003eYes. Seal all knots with a shellac-based primer (such as Zinsser BIN) before painting. Standard latex primers do not prevent knot bleed-through.\u003c\/p\u003e","brand":"Alexandria Mouldings","offers":[{"title":"Default Title","offer_id":50093177504042,"sku":"","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/8622\/9546\/files\/001X8-E2E-flat-stock.jpg?v=1744080872"},{"product_id":"001x8-7-1-4-inch-flatstock-s4s-e4e-hemlock","title":"001X8 7-1\/4\" Flatstock S4S E4E Hemlock","description":"\u003cp\u003e001X8 7-1\/4\" Flatstock S4S E4E Hemlock is a solid hemlock flatstock, unfinished -- ready for your choice of paint, stain, or clear finish. Flatstock is a smooth, square-edged board used as a building block for custom trim assemblies, window and door surrounds, mantels, built-in shelving, and any application where a plain, straight-edged profile is needed. Available at Windsor Plywood locations across Canada.\u003c\/p\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSolid Hemlock -- pitch-free and resin-free, accepts paint and stain more evenly than any other softwood\u003c\/li\u003e\n\u003cli\u003eConsistent pale colour with straight, fine grain -- produces a smooth, clean surface under both paint and clear finish\u003c\/li\u003e\n\u003cli\u003eSurfaced 4 Sides (S4S) profile at 001 -- Interior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/li\u003e\n\u003cli\u003eAvailable at Windsor Plywood locations across Canada -- confirm stock at your local branch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eSolid Hemlock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eProfile\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eSurfaced 4 Sides (S4S)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eWidth\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e7-1\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eFinish \/ Coating\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eUnfinished Hemlock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eApplication\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eInterior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eAvailability\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eIn-store -- confirm current stock with your local Windsor Plywood location. Some products may be special order.\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eCommon Uses\u003c\/h4\u003e\n\u003cp\u003eCut to size and install with finish nails or construction adhesive. Flatstock is the base component for custom trim builds -- combine multiple widths and profiles to create elaborate door surrounds and mantels. Hemlock is the preferred softwood for stained moulding. Its pitch-free surface means no bleed-through under paint and no blotching under stain.\u003c\/p\u003e\n\u003ch4\u003ePro Tips\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFlatstock is the DIY trim builder's best friend. Combine a wide flatstock header with casing legs to create a Craftsman-style door surround without buying specialty moulding.\u003c\/li\u003e\n\u003cli\u003eFor paint: apply directly -- no knot sealer needed. For stain: hemlock accepts stain evenly with a pre-stain conditioner. For clear finish: sand to 180-grit and apply water-based polyurethane or lacquer.\u003c\/li\u003e\n\u003cli\u003eFor custom mantel and built-in applications, rip flatstock to the exact width needed on a table saw. The square edges allow precise custom sizing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is flatstock used for?\u003c\/strong\u003e\u003cbr\u003eFlatstock is a square-edged board used to build custom trim assemblies, window headers, mantels, and built-in shelving. It is the base material for any trim design that starts with a straight, flat profile.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy choose hemlock over pine?\u003c\/strong\u003e\u003cbr\u003eHemlock is pitch-free -- no resin bleed under paint, no sticky sap. It also accepts stain more evenly than pine. Hemlock is the premium softwood choice when finish quality matters.\u003c\/p\u003e","brand":"Alexandria Mouldings","offers":[{"title":"Default Title","offer_id":50093177536810,"sku":"","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/8622\/9546\/files\/001X8-E2E-flat-stock_4c8155c2-41bd-4479-8610-cc7e6725a065.jpg?v=1744080876"},{"product_id":"001x8-7-1-4-inch-flatstock-s4s-e4e-douglas-fir","title":"001X8 7-1\/4\" Flatstock S4S E4E Douglas Fir","description":"\u003cp\u003e001X8 7-1\/4\" Flatstock S4S E4E Douglas Fir is a flatstock, unfinished -- ready for your choice of paint, stain, or clear finish. Flatstock is a smooth, square-edged board used as a building block for custom trim assemblies, window and door surrounds, mantels, built-in shelving, and any application where a plain, straight-edged profile is needed. Available at Windsor Plywood locations across Canada.\u003c\/p\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSolid wood construction -- natural material with genuine wood character\u003c\/li\u003e\n\u003cli\u003eConfirm species with your local Windsor Plywood branch\u003c\/li\u003e\n\u003cli\u003eSurfaced 4 Sides (S4S) profile at 001 -- Interior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/li\u003e\n\u003cli\u003eAvailable at Windsor Plywood locations across Canada -- confirm stock at your local branch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eSolid wood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eProfile\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eSurfaced 4 Sides (S4S)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eWidth\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e7-1\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eFinish \/ Coating\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eUnfinished wood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eApplication\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eInterior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eAvailability\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eIn-store -- confirm current stock with your local Windsor Plywood location. Some products may be special order.\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eCommon Uses\u003c\/h4\u003e\n\u003cp\u003eCut to size and install with finish nails or construction adhesive. Flatstock is the base component for custom trim builds -- combine multiple widths and profiles to create elaborate door surrounds and mantels. Follow finishing instructions appropriate to the specific wood species.\u003c\/p\u003e\n\u003ch4\u003ePro Tips\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFlatstock is the DIY trim builder's best friend. Combine a wide flatstock header with casing legs to create a Craftsman-style door surround without buying specialty moulding.\u003c\/li\u003e\n\u003cli\u003eConfirm species and follow appropriate finishing guidelines. Ask your local Windsor Plywood team for species-specific advice.\u003c\/li\u003e\n\u003cli\u003eFor custom mantel and built-in applications, rip flatstock to the exact width needed on a table saw. The square edges allow precise custom sizing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is flatstock used for?\u003c\/strong\u003e\u003cbr\u003eFlatstock is a square-edged board used to build custom trim assemblies, window headers, mantels, and built-in shelving. It is the base material for any trim design that starts with a straight, flat profile.\u003c\/p\u003e","brand":"Alexandria Mouldings","offers":[{"title":"Default Title","offer_id":50093177569578,"sku":"","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/8622\/9546\/files\/001X8-E2E-flat-stock_65c7cd05-997c-44a2-add5-6fdcb62e0b8b.jpg?v=1744080879"},{"product_id":"001x6-5-1-2-inch-flatstock-s4s-e4e-primed-finger-jointed-pine","title":"001X6 5-1\/2\" Flatstock S4S E4E Primed Finger Jointed Pine","description":"\u003cp\u003e001X6 5-1\/2\" Flatstock S4S E4E Primed Finger Jointed Pine is a solid pine flatstock, factory-primed and ready for topcoat. Flatstock is a smooth, square-edged board used as a building block for custom trim assemblies, window and door surrounds, mantels, built-in shelving, and any application where a plain, straight-edged profile is needed. Available at Windsor Plywood locations across Canada.\u003c\/p\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSolid Pine -- natural wood character with visible grain, accepts paint, stain, and clear finish\u003c\/li\u003e\n\u003cli\u003eThe most affordable solid wood moulding option for residential interiors\u003c\/li\u003e\n\u003cli\u003eSurfaced 4 Sides (S4S) profile at 001 -- Interior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/li\u003e\n\u003cli\u003eAvailable at Windsor Plywood locations across Canada -- confirm stock at your local branch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eSolid Pine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eProfile\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eSurfaced 4 Sides (S4S)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eWidth\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e5-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eFinish \/ Coating\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eFactory white primer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eApplication\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eInterior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eAvailability\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eIn-store -- confirm current stock with your local Windsor Plywood location. Some products may be special order.\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eCommon Uses\u003c\/h4\u003e\n\u003cp\u003eCut to size and install with finish nails or construction adhesive. Flatstock is the base component for custom trim builds -- combine multiple widths and profiles to create elaborate door surrounds and mantels. Seal all knots with shellac-based primer (such as Zinsser BIN) before painting. Pine knots bleed through standard latex paint and primers.\u003c\/p\u003e\n\u003ch4\u003ePro Tips\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFlatstock is the DIY trim builder's best friend. Combine a wide flatstock header with casing legs to create a Craftsman-style door surround without buying specialty moulding.\u003c\/li\u003e\n\u003cli\u003eFor paint: seal knots with shellac-based primer (Zinsser BIN) before priming and painting. For stain: apply pre-stain conditioner first to reduce blotching. For clear finish: sand to 180-grit and apply polyurethane.\u003c\/li\u003e\n\u003cli\u003eFor custom mantel and built-in applications, rip flatstock to the exact width needed on a table saw. The square edges allow precise custom sizing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is flatstock used for?\u003c\/strong\u003e\u003cbr\u003eFlatstock is a square-edged board used to build custom trim assemblies, window headers, mantels, and built-in shelving. It is the base material for any trim design that starts with a straight, flat profile.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill pine knots bleed through paint?\u003c\/strong\u003e\u003cbr\u003eYes. Seal all knots with a shellac-based primer (such as Zinsser BIN) before painting. Standard latex primers do not prevent knot bleed-through.\u003c\/p\u003e","brand":"Alexandria Mouldings","offers":[{"title":"Default Title","offer_id":50093179961642,"sku":"","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/8622\/9546\/files\/001X6-E2E-flat-stock.jpg?v=1744080883"},{"product_id":"001x6-5-1-2-inch-flatstock-s4s-e4e-hemlock","title":"001X6 5-1\/2\" Flatstock S4S E4E Hemlock","description":"\u003cp\u003e001X6 5-1\/2\" Flatstock S4S E4E Hemlock is a solid hemlock flatstock, unfinished -- ready for your choice of paint, stain, or clear finish. Flatstock is a smooth, square-edged board used as a building block for custom trim assemblies, window and door surrounds, mantels, built-in shelving, and any application where a plain, straight-edged profile is needed. Available at Windsor Plywood locations across Canada.\u003c\/p\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSolid Hemlock -- pitch-free and resin-free, accepts paint and stain more evenly than any other softwood\u003c\/li\u003e\n\u003cli\u003eConsistent pale colour with straight, fine grain -- produces a smooth, clean surface under both paint and clear finish\u003c\/li\u003e\n\u003cli\u003eSurfaced 4 Sides (S4S) profile at 001 -- Interior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/li\u003e\n\u003cli\u003eAvailable at Windsor Plywood locations across Canada -- confirm stock at your local branch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eSolid Hemlock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eProfile\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eSurfaced 4 Sides (S4S)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eWidth\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e5-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eFinish \/ Coating\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eUnfinished Hemlock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eApplication\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eInterior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eAvailability\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eIn-store -- confirm current stock with your local Windsor Plywood location. Some products may be special order.\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eCommon Uses\u003c\/h4\u003e\n\u003cp\u003eCut to size and install with finish nails or construction adhesive. Flatstock is the base component for custom trim builds -- combine multiple widths and profiles to create elaborate door surrounds and mantels. Hemlock is the preferred softwood for stained moulding. Its pitch-free surface means no bleed-through under paint and no blotching under stain.\u003c\/p\u003e\n\u003ch4\u003ePro Tips\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFlatstock is the DIY trim builder's best friend. Combine a wide flatstock header with casing legs to create a Craftsman-style door surround without buying specialty moulding.\u003c\/li\u003e\n\u003cli\u003eFor paint: apply directly -- no knot sealer needed. For stain: hemlock accepts stain evenly with a pre-stain conditioner. For clear finish: sand to 180-grit and apply water-based polyurethane or lacquer.\u003c\/li\u003e\n\u003cli\u003eFor custom mantel and built-in applications, rip flatstock to the exact width needed on a table saw. The square edges allow precise custom sizing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is flatstock used for?\u003c\/strong\u003e\u003cbr\u003eFlatstock is a square-edged board used to build custom trim assemblies, window headers, mantels, and built-in shelving. It is the base material for any trim design that starts with a straight, flat profile.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy choose hemlock over pine?\u003c\/strong\u003e\u003cbr\u003eHemlock is pitch-free -- no resin bleed under paint, no sticky sap. It also accepts stain more evenly than pine. Hemlock is the premium softwood choice when finish quality matters.\u003c\/p\u003e","brand":"Alexandria Mouldings","offers":[{"title":"Default Title","offer_id":50093180485930,"sku":"","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/8622\/9546\/files\/001X6-E2E-flat-stock_118a1f92-b8c0-4b44-b9ae-04ead60e6502.jpg?v=1744080887"},{"product_id":"001x6-5-1-2-inch-flatstock-s4s-e4e-douglas-fir","title":"001X6 5-1\/2\" Flatstock S4S E4E Douglas Fir","description":"\u003cp\u003e001X6 5-1\/2\" Flatstock S4S E4E Douglas Fir is a flatstock, unfinished -- ready for your choice of paint, stain, or clear finish. Flatstock is a smooth, square-edged board used as a building block for custom trim assemblies, window and door surrounds, mantels, built-in shelving, and any application where a plain, straight-edged profile is needed. Available at Windsor Plywood locations across Canada.\u003c\/p\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSolid wood construction -- natural material with genuine wood character\u003c\/li\u003e\n\u003cli\u003eConfirm species with your local Windsor Plywood branch\u003c\/li\u003e\n\u003cli\u003eSurfaced 4 Sides (S4S) profile at 001 -- Interior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/li\u003e\n\u003cli\u003eAvailable at Windsor Plywood locations across Canada -- confirm stock at your local branch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eSolid wood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eProfile\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eSurfaced 4 Sides (S4S)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eWidth\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e5-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eFinish \/ Coating\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eUnfinished wood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eApplication\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eInterior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eAvailability\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eIn-store -- confirm current stock with your local Windsor Plywood location. Some products may be special order.\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eCommon Uses\u003c\/h4\u003e\n\u003cp\u003eCut to size and install with finish nails or construction adhesive. Flatstock is the base component for custom trim builds -- combine multiple widths and profiles to create elaborate door surrounds and mantels. Follow finishing instructions appropriate to the specific wood species.\u003c\/p\u003e\n\u003ch4\u003ePro Tips\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFlatstock is the DIY trim builder's best friend. Combine a wide flatstock header with casing legs to create a Craftsman-style door surround without buying specialty moulding.\u003c\/li\u003e\n\u003cli\u003eConfirm species and follow appropriate finishing guidelines. Ask your local Windsor Plywood team for species-specific advice.\u003c\/li\u003e\n\u003cli\u003eFor custom mantel and built-in applications, rip flatstock to the exact width needed on a table saw. The square edges allow precise custom sizing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is flatstock used for?\u003c\/strong\u003e\u003cbr\u003eFlatstock is a square-edged board used to build custom trim assemblies, window headers, mantels, and built-in shelving. It is the base material for any trim design that starts with a straight, flat profile.\u003c\/p\u003e","brand":"Alexandria Mouldings","offers":[{"title":"Default Title","offer_id":50093180584234,"sku":"","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/8622\/9546\/files\/001X6-E2E-flat-stock_1df465c5-232f-4d39-bdbf-4b24337c7492.jpg?v=1744080890"},{"product_id":"001x5-4-9-16-inch-flatstock-s4s-e4e-primed-finger-jointed-pine","title":"001X5 4-9\/16\" Flatstock S4S E4E Primed Finger Jointed Pine","description":"\u003cp\u003e001X5 4-9\/16\" Flatstock S4S E4E Primed Finger Jointed Pine is a solid pine flatstock, factory-primed and ready for topcoat. Flatstock is a smooth, square-edged board used as a building block for custom trim assemblies, window and door surrounds, mantels, built-in shelving, and any application where a plain, straight-edged profile is needed. Available at Windsor Plywood locations across Canada.\u003c\/p\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSolid Pine -- natural wood character with visible grain, accepts paint, stain, and clear finish\u003c\/li\u003e\n\u003cli\u003eThe most affordable solid wood moulding option for residential interiors\u003c\/li\u003e\n\u003cli\u003eSurfaced 4 Sides (S4S) profile at 001 -- Interior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/li\u003e\n\u003cli\u003eAvailable at Windsor Plywood locations across Canada -- confirm stock at your local branch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eSolid Pine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eProfile\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eSurfaced 4 Sides (S4S)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eWidth\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e4-9\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eFinish \/ Coating\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eFactory white primer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eApplication\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eInterior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eAvailability\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eIn-store -- confirm current stock with your local Windsor Plywood location. Some products may be special order.\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eCommon Uses\u003c\/h4\u003e\n\u003cp\u003eCut to size and install with finish nails or construction adhesive. Flatstock is the base component for custom trim builds -- combine multiple widths and profiles to create elaborate door surrounds and mantels. Seal all knots with shellac-based primer (such as Zinsser BIN) before painting. Pine knots bleed through standard latex paint and primers.\u003c\/p\u003e\n\u003ch4\u003ePro Tips\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFlatstock is the DIY trim builder's best friend. Combine a wide flatstock header with casing legs to create a Craftsman-style door surround without buying specialty moulding.\u003c\/li\u003e\n\u003cli\u003eFor paint: seal knots with shellac-based primer (Zinsser BIN) before priming and painting. For stain: apply pre-stain conditioner first to reduce blotching. For clear finish: sand to 180-grit and apply polyurethane.\u003c\/li\u003e\n\u003cli\u003eFor custom mantel and built-in applications, rip flatstock to the exact width needed on a table saw. The square edges allow precise custom sizing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is flatstock used for?\u003c\/strong\u003e\u003cbr\u003eFlatstock is a square-edged board used to build custom trim assemblies, window headers, mantels, and built-in shelving. It is the base material for any trim design that starts with a straight, flat profile.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill pine knots bleed through paint?\u003c\/strong\u003e\u003cbr\u003eYes. Seal all knots with a shellac-based primer (such as Zinsser BIN) before painting. Standard latex primers do not prevent knot bleed-through.\u003c\/p\u003e","brand":"Alexandria Mouldings","offers":[{"title":"Default Title","offer_id":50093180617002,"sku":"","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/8622\/9546\/files\/001X5-E2E-flat-stock.jpg?v=1744080894"},{"product_id":"001x5-4-9-16-inch-flatstock-s4s-e4e-hemlock","title":"001X5 4-9\/16\" Flatstock S4S E4E Hemlock","description":"\u003cp\u003e001X5 4-9\/16\" Flatstock S4S E4E Hemlock is a solid hemlock flatstock, unfinished -- ready for your choice of paint, stain, or clear finish. Flatstock is a smooth, square-edged board used as a building block for custom trim assemblies, window and door surrounds, mantels, built-in shelving, and any application where a plain, straight-edged profile is needed. Available at Windsor Plywood locations across Canada.\u003c\/p\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSolid Hemlock -- pitch-free and resin-free, accepts paint and stain more evenly than any other softwood\u003c\/li\u003e\n\u003cli\u003eConsistent pale colour with straight, fine grain -- produces a smooth, clean surface under both paint and clear finish\u003c\/li\u003e\n\u003cli\u003eSurfaced 4 Sides (S4S) profile at 001 -- Interior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/li\u003e\n\u003cli\u003eAvailable at Windsor Plywood locations across Canada -- confirm stock at your local branch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eSolid Hemlock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eProfile\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eSurfaced 4 Sides (S4S)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eWidth\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e4-9\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eFinish \/ Coating\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eUnfinished Hemlock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eApplication\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eInterior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eAvailability\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eIn-store -- confirm current stock with your local Windsor Plywood location. Some products may be special order.\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eCommon Uses\u003c\/h4\u003e\n\u003cp\u003eCut to size and install with finish nails or construction adhesive. Flatstock is the base component for custom trim builds -- combine multiple widths and profiles to create elaborate door surrounds and mantels. Hemlock is the preferred softwood for stained moulding. Its pitch-free surface means no bleed-through under paint and no blotching under stain.\u003c\/p\u003e\n\u003ch4\u003ePro Tips\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFlatstock is the DIY trim builder's best friend. Combine a wide flatstock header with casing legs to create a Craftsman-style door surround without buying specialty moulding.\u003c\/li\u003e\n\u003cli\u003eFor paint: apply directly -- no knot sealer needed. For stain: hemlock accepts stain evenly with a pre-stain conditioner. For clear finish: sand to 180-grit and apply water-based polyurethane or lacquer.\u003c\/li\u003e\n\u003cli\u003eFor custom mantel and built-in applications, rip flatstock to the exact width needed on a table saw. The square edges allow precise custom sizing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is flatstock used for?\u003c\/strong\u003e\u003cbr\u003eFlatstock is a square-edged board used to build custom trim assemblies, window headers, mantels, and built-in shelving. It is the base material for any trim design that starts with a straight, flat profile.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy choose hemlock over pine?\u003c\/strong\u003e\u003cbr\u003eHemlock is pitch-free -- no resin bleed under paint, no sticky sap. It also accepts stain more evenly than pine. Hemlock is the premium softwood choice when finish quality matters.\u003c\/p\u003e","brand":"Alexandria Mouldings","offers":[{"title":"Default Title","offer_id":50093180715306,"sku":"","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/8622\/9546\/files\/001X5-E2E-flat-stock_a57ab1a4-b8f8-4f5c-b466-af6ae8a5110d.jpg?v=1744080898"},{"product_id":"001x5-4-9-16-inch-flatstock-s4s-e4e-douglas-fir","title":"001X5 4-9\/16\" Flatstock S4S E4E Douglas Fir","description":"\u003cp\u003e001X5 4-9\/16\" Flatstock S4S E4E Douglas Fir is a flatstock, unfinished -- ready for your choice of paint, stain, or clear finish. Flatstock is a smooth, square-edged board used as a building block for custom trim assemblies, window and door surrounds, mantels, built-in shelving, and any application where a plain, straight-edged profile is needed. Available at Windsor Plywood locations across Canada.\u003c\/p\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSolid wood construction -- natural material with genuine wood character\u003c\/li\u003e\n\u003cli\u003eConfirm species with your local Windsor Plywood branch\u003c\/li\u003e\n\u003cli\u003eSurfaced 4 Sides (S4S) profile at 001 -- Interior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/li\u003e\n\u003cli\u003eAvailable at Windsor Plywood locations across Canada -- confirm stock at your local branch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eSolid wood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eProfile\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eSurfaced 4 Sides (S4S)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eWidth\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e4-9\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eFinish \/ Coating\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eUnfinished wood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eApplication\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eInterior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eAvailability\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eIn-store -- confirm current stock with your local Windsor Plywood location. Some products may be special order.\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eCommon Uses\u003c\/h4\u003e\n\u003cp\u003eCut to size and install with finish nails or construction adhesive. Flatstock is the base component for custom trim builds -- combine multiple widths and profiles to create elaborate door surrounds and mantels. Follow finishing instructions appropriate to the specific wood species.\u003c\/p\u003e\n\u003ch4\u003ePro Tips\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFlatstock is the DIY trim builder's best friend. Combine a wide flatstock header with casing legs to create a Craftsman-style door surround without buying specialty moulding.\u003c\/li\u003e\n\u003cli\u003eConfirm species and follow appropriate finishing guidelines. Ask your local Windsor Plywood team for species-specific advice.\u003c\/li\u003e\n\u003cli\u003eFor custom mantel and built-in applications, rip flatstock to the exact width needed on a table saw. The square edges allow precise custom sizing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is flatstock used for?\u003c\/strong\u003e\u003cbr\u003eFlatstock is a square-edged board used to build custom trim assemblies, window headers, mantels, and built-in shelving. It is the base material for any trim design that starts with a straight, flat profile.\u003c\/p\u003e","brand":"Alexandria Mouldings","offers":[{"title":"Default Title","offer_id":50093180748074,"sku":"","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/8622\/9546\/files\/001X5-E2E-flat-stock_ca0261f2-473a-4804-be25-a0af0f0b7ff3.jpg?v=1744080902"},{"product_id":"001x4-3-1-2-inch-flatstock-s4s-e4e-primed-finger-jointed-pine","title":"001X4 3-1\/2\" Flatstock S4S E4E Primed Finger Jointed Pine","description":"\u003cp\u003e001X4 3-1\/2\" Flatstock S4S E4E Primed Finger Jointed Pine is a solid pine flatstock, factory-primed and ready for topcoat. Flatstock is a smooth, square-edged board used as a building block for custom trim assemblies, window and door surrounds, mantels, built-in shelving, and any application where a plain, straight-edged profile is needed. Available at Windsor Plywood locations across Canada.\u003c\/p\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSolid Pine -- natural wood character with visible grain, accepts paint, stain, and clear finish\u003c\/li\u003e\n\u003cli\u003eThe most affordable solid wood moulding option for residential interiors\u003c\/li\u003e\n\u003cli\u003eSurfaced 4 Sides (S4S) profile at 001 -- Interior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/li\u003e\n\u003cli\u003eAvailable at Windsor Plywood locations across Canada -- confirm stock at your local branch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eSolid Pine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eProfile\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eSurfaced 4 Sides (S4S)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eWidth\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e3-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eFinish \/ Coating\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eFactory white primer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eApplication\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eInterior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eAvailability\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eIn-store -- confirm current stock with your local Windsor Plywood location. Some products may be special order.\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eCommon Uses\u003c\/h4\u003e\n\u003cp\u003eCut to size and install with finish nails or construction adhesive. Flatstock is the base component for custom trim builds -- combine multiple widths and profiles to create elaborate door surrounds and mantels. Seal all knots with shellac-based primer (such as Zinsser BIN) before painting. Pine knots bleed through standard latex paint and primers.\u003c\/p\u003e\n\u003ch4\u003ePro Tips\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFlatstock is the DIY trim builder's best friend. Combine a wide flatstock header with casing legs to create a Craftsman-style door surround without buying specialty moulding.\u003c\/li\u003e\n\u003cli\u003eFor paint: seal knots with shellac-based primer (Zinsser BIN) before priming and painting. For stain: apply pre-stain conditioner first to reduce blotching. For clear finish: sand to 180-grit and apply polyurethane.\u003c\/li\u003e\n\u003cli\u003eFor custom mantel and built-in applications, rip flatstock to the exact width needed on a table saw. The square edges allow precise custom sizing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is flatstock used for?\u003c\/strong\u003e\u003cbr\u003eFlatstock is a square-edged board used to build custom trim assemblies, window headers, mantels, and built-in shelving. It is the base material for any trim design that starts with a straight, flat profile.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill pine knots bleed through paint?\u003c\/strong\u003e\u003cbr\u003eYes. Seal all knots with a shellac-based primer (such as Zinsser BIN) before painting. Standard latex primers do not prevent knot bleed-through.\u003c\/p\u003e","brand":"Alexandria Mouldings","offers":[{"title":"Default Title","offer_id":50093180780842,"sku":"","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/8622\/9546\/files\/001X4-E2E-flat-stock.jpg?v=1744080905"},{"product_id":"001x4-3-1-2-inch-flatstock-s4s-e4e-hemlock","title":"001X4 3-1\/2\" Flatstock S4S E4E Hemlock","description":"\u003cp\u003e001X4 3-1\/2\" Flatstock S4S E4E Hemlock is a solid hemlock flatstock, unfinished -- ready for your choice of paint, stain, or clear finish. Flatstock is a smooth, square-edged board used as a building block for custom trim assemblies, window and door surrounds, mantels, built-in shelving, and any application where a plain, straight-edged profile is needed. Available at Windsor Plywood locations across Canada.\u003c\/p\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSolid Hemlock -- pitch-free and resin-free, accepts paint and stain more evenly than any other softwood\u003c\/li\u003e\n\u003cli\u003eConsistent pale colour with straight, fine grain -- produces a smooth, clean surface under both paint and clear finish\u003c\/li\u003e\n\u003cli\u003eSurfaced 4 Sides (S4S) profile at 001 -- Interior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/li\u003e\n\u003cli\u003eAvailable at Windsor Plywood locations across Canada -- confirm stock at your local branch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eSolid Hemlock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eProfile\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eSurfaced 4 Sides (S4S)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eWidth\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e3-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eFinish \/ Coating\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eUnfinished Hemlock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eApplication\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eInterior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eAvailability\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eIn-store -- confirm current stock with your local Windsor Plywood location. Some products may be special order.\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eCommon Uses\u003c\/h4\u003e\n\u003cp\u003eCut to size and install with finish nails or construction adhesive. Flatstock is the base component for custom trim builds -- combine multiple widths and profiles to create elaborate door surrounds and mantels. Hemlock is the preferred softwood for stained moulding. Its pitch-free surface means no bleed-through under paint and no blotching under stain.\u003c\/p\u003e\n\u003ch4\u003ePro Tips\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFlatstock is the DIY trim builder's best friend. Combine a wide flatstock header with casing legs to create a Craftsman-style door surround without buying specialty moulding.\u003c\/li\u003e\n\u003cli\u003eFor paint: apply directly -- no knot sealer needed. For stain: hemlock accepts stain evenly with a pre-stain conditioner. For clear finish: sand to 180-grit and apply water-based polyurethane or lacquer.\u003c\/li\u003e\n\u003cli\u003eFor custom mantel and built-in applications, rip flatstock to the exact width needed on a table saw. The square edges allow precise custom sizing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is flatstock used for?\u003c\/strong\u003e\u003cbr\u003eFlatstock is a square-edged board used to build custom trim assemblies, window headers, mantels, and built-in shelving. It is the base material for any trim design that starts with a straight, flat profile.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy choose hemlock over pine?\u003c\/strong\u003e\u003cbr\u003eHemlock is pitch-free -- no resin bleed under paint, no sticky sap. It also accepts stain more evenly than pine. Hemlock is the premium softwood choice when finish quality matters.\u003c\/p\u003e","brand":"Alexandria Mouldings","offers":[{"title":"Default Title","offer_id":50093183172906,"sku":"","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/8622\/9546\/files\/001X4-E2E-flat-stock_6f4d3920-551d-4ad4-8ad9-53c1eafe1a55.jpg?v=1744080909"},{"product_id":"001x4-3-1-2-inch-flatstock-s4s-e4e-douglas-fir","title":"001X4 3-1\/2\" Flatstock S4S E4E Douglas Fir","description":"\u003cp\u003e001X4 3-1\/2\" Flatstock S4S E4E Douglas Fir is a flatstock, unfinished -- ready for your choice of paint, stain, or clear finish. Flatstock is a smooth, square-edged board used as a building block for custom trim assemblies, window and door surrounds, mantels, built-in shelving, and any application where a plain, straight-edged profile is needed. Available at Windsor Plywood locations across Canada.\u003c\/p\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSolid wood construction -- natural material with genuine wood character\u003c\/li\u003e\n\u003cli\u003eConfirm species with your local Windsor Plywood branch\u003c\/li\u003e\n\u003cli\u003eSurfaced 4 Sides (S4S) profile at 001 -- Interior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/li\u003e\n\u003cli\u003eAvailable at Windsor Plywood locations across Canada -- confirm stock at your local branch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eSolid wood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eProfile\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eSurfaced 4 Sides (S4S)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eWidth\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e3-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eFinish \/ Coating\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eUnfinished wood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eApplication\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eInterior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eAvailability\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eIn-store -- confirm current stock with your local Windsor Plywood location. Some products may be special order.\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eCommon Uses\u003c\/h4\u003e\n\u003cp\u003eCut to size and install with finish nails or construction adhesive. Flatstock is the base component for custom trim builds -- combine multiple widths and profiles to create elaborate door surrounds and mantels. Follow finishing instructions appropriate to the specific wood species.\u003c\/p\u003e\n\u003ch4\u003ePro Tips\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFlatstock is the DIY trim builder's best friend. Combine a wide flatstock header with casing legs to create a Craftsman-style door surround without buying specialty moulding.\u003c\/li\u003e\n\u003cli\u003eConfirm species and follow appropriate finishing guidelines. Ask your local Windsor Plywood team for species-specific advice.\u003c\/li\u003e\n\u003cli\u003eFor custom mantel and built-in applications, rip flatstock to the exact width needed on a table saw. The square edges allow precise custom sizing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is flatstock used for?\u003c\/strong\u003e\u003cbr\u003eFlatstock is a square-edged board used to build custom trim assemblies, window headers, mantels, and built-in shelving. It is the base material for any trim design that starts with a straight, flat profile.\u003c\/p\u003e","brand":"Alexandria Mouldings","offers":[{"title":"Default Title","offer_id":50093183205674,"sku":"","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/8622\/9546\/files\/001X4-E2E-flat-stock_ed8f39cd-6f38-418f-a6a5-604e33a18970.jpg?v=1744080912"},{"product_id":"001x3-2-1-2-inch-flatstock-s4s-e4e-primed-finger-jointed-pine","title":"001X3 2-1\/2\" Flatstock S4S E4E Primed Finger Jointed Pine","description":"\u003cp\u003e001X3 2-1\/2\" Flatstock S4S E4E Primed Finger Jointed Pine is a solid pine flatstock, factory-primed and ready for topcoat. Flatstock is a smooth, square-edged board used as a building block for custom trim assemblies, window and door surrounds, mantels, built-in shelving, and any application where a plain, straight-edged profile is needed. Available at Windsor Plywood locations across Canada.\u003c\/p\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSolid Pine -- natural wood character with visible grain, accepts paint, stain, and clear finish\u003c\/li\u003e\n\u003cli\u003eThe most affordable solid wood moulding option for residential interiors\u003c\/li\u003e\n\u003cli\u003eSurfaced 4 Sides (S4S) profile at 001 -- Interior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/li\u003e\n\u003cli\u003eAvailable at Windsor Plywood locations across Canada -- confirm stock at your local branch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eSolid Pine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eProfile\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eSurfaced 4 Sides (S4S)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eWidth\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e2-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eFinish \/ Coating\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eFactory white primer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eApplication\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eInterior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eAvailability\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eIn-store -- confirm current stock with your local Windsor Plywood location. Some products may be special order.\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eCommon Uses\u003c\/h4\u003e\n\u003cp\u003eCut to size and install with finish nails or construction adhesive. Flatstock is the base component for custom trim builds -- combine multiple widths and profiles to create elaborate door surrounds and mantels. Seal all knots with shellac-based primer (such as Zinsser BIN) before painting. Pine knots bleed through standard latex paint and primers.\u003c\/p\u003e\n\u003ch4\u003ePro Tips\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFlatstock is the DIY trim builder's best friend. Combine a wide flatstock header with casing legs to create a Craftsman-style door surround without buying specialty moulding.\u003c\/li\u003e\n\u003cli\u003eFor paint: seal knots with shellac-based primer (Zinsser BIN) before priming and painting. For stain: apply pre-stain conditioner first to reduce blotching. For clear finish: sand to 180-grit and apply polyurethane.\u003c\/li\u003e\n\u003cli\u003eFor custom mantel and built-in applications, rip flatstock to the exact width needed on a table saw. The square edges allow precise custom sizing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is flatstock used for?\u003c\/strong\u003e\u003cbr\u003eFlatstock is a square-edged board used to build custom trim assemblies, window headers, mantels, and built-in shelving. It is the base material for any trim design that starts with a straight, flat profile.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill pine knots bleed through paint?\u003c\/strong\u003e\u003cbr\u003eYes. Seal all knots with a shellac-based primer (such as Zinsser BIN) before painting. Standard latex primers do not prevent knot bleed-through.\u003c\/p\u003e","brand":"Alexandria Mouldings","offers":[{"title":"Default Title","offer_id":50093183238442,"sku":"","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/8622\/9546\/files\/001X3-E2E-flat-stock.jpg?v=1744080916"},{"product_id":"001x3-2-1-2-inch-flatstock-s4s-e4e-hemlock","title":"001X3 2-1\/2\" Flatstock S4S E4E Hemlock","description":"\u003cp\u003e001X3 2-1\/2\" Flatstock S4S E4E Hemlock is a solid hemlock flatstock, unfinished -- ready for your choice of paint, stain, or clear finish. Flatstock is a smooth, square-edged board used as a building block for custom trim assemblies, window and door surrounds, mantels, built-in shelving, and any application where a plain, straight-edged profile is needed. Available at Windsor Plywood locations across Canada.\u003c\/p\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSolid Hemlock -- pitch-free and resin-free, accepts paint and stain more evenly than any other softwood\u003c\/li\u003e\n\u003cli\u003eConsistent pale colour with straight, fine grain -- produces a smooth, clean surface under both paint and clear finish\u003c\/li\u003e\n\u003cli\u003eSurfaced 4 Sides (S4S) profile at 001 -- Interior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/li\u003e\n\u003cli\u003eAvailable at Windsor Plywood locations across Canada -- confirm stock at your local branch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eSolid Hemlock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eProfile\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eSurfaced 4 Sides (S4S)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eWidth\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e2-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eFinish \/ Coating\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eUnfinished Hemlock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eApplication\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eInterior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eAvailability\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eIn-store -- confirm current stock with your local Windsor Plywood location. Some products may be special order.\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eCommon Uses\u003c\/h4\u003e\n\u003cp\u003eCut to size and install with finish nails or construction adhesive. Flatstock is the base component for custom trim builds -- combine multiple widths and profiles to create elaborate door surrounds and mantels. Hemlock is the preferred softwood for stained moulding. Its pitch-free surface means no bleed-through under paint and no blotching under stain.\u003c\/p\u003e\n\u003ch4\u003ePro Tips\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFlatstock is the DIY trim builder's best friend. Combine a wide flatstock header with casing legs to create a Craftsman-style door surround without buying specialty moulding.\u003c\/li\u003e\n\u003cli\u003eFor paint: apply directly -- no knot sealer needed. For stain: hemlock accepts stain evenly with a pre-stain conditioner. For clear finish: sand to 180-grit and apply water-based polyurethane or lacquer.\u003c\/li\u003e\n\u003cli\u003eFor custom mantel and built-in applications, rip flatstock to the exact width needed on a table saw. The square edges allow precise custom sizing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is flatstock used for?\u003c\/strong\u003e\u003cbr\u003eFlatstock is a square-edged board used to build custom trim assemblies, window headers, mantels, and built-in shelving. It is the base material for any trim design that starts with a straight, flat profile.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy choose hemlock over pine?\u003c\/strong\u003e\u003cbr\u003eHemlock is pitch-free -- no resin bleed under paint, no sticky sap. It also accepts stain more evenly than pine. Hemlock is the premium softwood choice when finish quality matters.\u003c\/p\u003e","brand":"Alexandria Mouldings","offers":[{"title":"Default Title","offer_id":50093183271210,"sku":"","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/8622\/9546\/files\/001X3-E2E-flat-stock_006eae47-6046-4488-9897-eeda4c51a400.jpg?v=1744080920"},{"product_id":"001x3-2-1-2-inch-flatstock-s4s-e4e-douglas-fir","title":"001X3 2-1\/2\" Flatstock S4S E4E Douglas Fir","description":"\u003cp\u003e001X3 2-1\/2\" Flatstock S4S E4E Douglas Fir is a flatstock, unfinished -- ready for your choice of paint, stain, or clear finish. Flatstock is a smooth, square-edged board used as a building block for custom trim assemblies, window and door surrounds, mantels, built-in shelving, and any application where a plain, straight-edged profile is needed. Available at Windsor Plywood locations across Canada.\u003c\/p\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSolid wood construction -- natural material with genuine wood character\u003c\/li\u003e\n\u003cli\u003eConfirm species with your local Windsor Plywood branch\u003c\/li\u003e\n\u003cli\u003eSurfaced 4 Sides (S4S) profile at 001 -- Interior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/li\u003e\n\u003cli\u003eAvailable at Windsor Plywood locations across Canada -- confirm stock at your local branch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eSolid wood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eProfile\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eSurfaced 4 Sides (S4S)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eWidth\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e2-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eFinish \/ Coating\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eUnfinished wood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eApplication\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eInterior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eAvailability\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eIn-store -- confirm current stock with your local Windsor Plywood location. Some products may be special order.\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eCommon Uses\u003c\/h4\u003e\n\u003cp\u003eCut to size and install with finish nails or construction adhesive. Flatstock is the base component for custom trim builds -- combine multiple widths and profiles to create elaborate door surrounds and mantels. Follow finishing instructions appropriate to the specific wood species.\u003c\/p\u003e\n\u003ch4\u003ePro Tips\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFlatstock is the DIY trim builder's best friend. Combine a wide flatstock header with casing legs to create a Craftsman-style door surround without buying specialty moulding.\u003c\/li\u003e\n\u003cli\u003eConfirm species and follow appropriate finishing guidelines. Ask your local Windsor Plywood team for species-specific advice.\u003c\/li\u003e\n\u003cli\u003eFor custom mantel and built-in applications, rip flatstock to the exact width needed on a table saw. The square edges allow precise custom sizing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is flatstock used for?\u003c\/strong\u003e\u003cbr\u003eFlatstock is a square-edged board used to build custom trim assemblies, window headers, mantels, and built-in shelving. It is the base material for any trim design that starts with a straight, flat profile.\u003c\/p\u003e","brand":"Alexandria Mouldings","offers":[{"title":"Default Title","offer_id":50093183303978,"sku":"","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/8622\/9546\/files\/001X3-E2E-flat-stock_1657b8a2-9bae-4652-b512-c5c3168b012a.jpg?v=1744080924"},{"product_id":"0m1x8-7-1-4-inch-flatstock-s4s-e2e-mdf","title":"0M1X8 7-1\/4\" Flatstock S4S E2E Primed MDF","description":"\u003cp\u003e0M1X8 7-1\/4\" Flatstock S4S E2E Primed MDF is a smooth, knot-free MDF flatstock, factory-primed and ready for topcoat. Flatstock is a smooth, square-edged board used as a building block for custom trim assemblies, window and door surrounds, mantels, built-in shelving, and any application where a plain, straight-edged profile is needed. Available at Windsor Plywood locations across Canada.\u003c\/p\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFactory-primed MDF -- smooth, knot-free surface paints to a flawless finish without site priming\u003c\/li\u003e\n\u003cli\u003eConsistent density throughout -- no grain telegraphing, no knots, no resin bleed under paint\u003c\/li\u003e\n\u003cli\u003eEased 2 Edges (E2E) profile at 7-1\/4\" -- Interior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/li\u003e\n\u003cli\u003eAvailable at Windsor Plywood locations across Canada -- confirm stock at your local branch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eMDF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eProfile\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eEased 2 Edges (E2E)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eWidth\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e7-1\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eFinish \/ Coating\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eFactory white primer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eApplication\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eInterior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eAvailability\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eIn-store -- confirm current stock with your local Windsor Plywood location. Some products may be special order.\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eCommon Uses\u003c\/h4\u003e\n\u003cp\u003eCut to size and install with finish nails or construction adhesive. Flatstock is the base component for custom trim builds -- combine multiple widths and profiles to create elaborate door surrounds and mantels. MDF is a paint-only material. It does not accept stain and must be kept dry -- do not install in bathrooms or high-humidity areas.\u003c\/p\u003e\n\u003ch4\u003ePro Tips\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFlatstock is the DIY trim builder's best friend. Combine a wide flatstock header with casing legs to create a Craftsman-style door surround without buying specialty moulding.\u003c\/li\u003e\n\u003cli\u003eApply two coats of quality interior latex paint in satin or semi-gloss directly over the factory primer. Seal all cut edges with primer before painting -- exposed MDF edges absorb paint unevenly.\u003c\/li\u003e\n\u003cli\u003eFor custom mantel and built-in applications, rip flatstock to the exact width needed on a table saw. The square edges allow precise custom sizing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is flatstock used for?\u003c\/strong\u003e\u003cbr\u003eFlatstock is a square-edged board used to build custom trim assemblies, window headers, mantels, and built-in shelving. It is the base material for any trim design that starts with a straight, flat profile.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use MDF moulding in a bathroom?\u003c\/strong\u003e\u003cbr\u003eNo. MDF absorbs moisture and swells irreversibly. Use solid wood (hemlock or cedar) moulding in bathrooms and high-humidity areas.\u003c\/p\u003e","brand":"Alexandria Mouldings","offers":[{"title":"Default Title","offer_id":50093183369514,"sku":"","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/8622\/9546\/files\/0M1X8714FlatstockS4SE2EMDF-Resized.jpg?v=1759444633"},{"product_id":"0m1x6-5-1-2-inch-flatstock-s4s-e2e-mdf","title":"0M1X6 5-1\/2\" Flatstock S4S E2E Primed MDF","description":"\u003cp\u003e0M1X6 5-1\/2\" Flatstock S4S E2E Primed MDF is a smooth, knot-free MDF flatstock, factory-primed and ready for topcoat. Flatstock is a smooth, square-edged board used as a building block for custom trim assemblies, window and door surrounds, mantels, built-in shelving, and any application where a plain, straight-edged profile is needed. Available at Windsor Plywood locations across Canada.\u003c\/p\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFactory-primed MDF -- smooth, knot-free surface paints to a flawless finish without site priming\u003c\/li\u003e\n\u003cli\u003eConsistent density throughout -- no grain telegraphing, no knots, no resin bleed under paint\u003c\/li\u003e\n\u003cli\u003eEased 2 Edges (E2E) profile at 5-1\/2\" -- Interior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/li\u003e\n\u003cli\u003eAvailable at Windsor Plywood locations across Canada -- confirm stock at your local branch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eMDF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eProfile\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eEased 2 Edges (E2E)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eWidth\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e5-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eFinish \/ Coating\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eFactory white primer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eApplication\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eInterior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eAvailability\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eIn-store -- confirm current stock with your local Windsor Plywood location. Some products may be special order.\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eCommon Uses\u003c\/h4\u003e\n\u003cp\u003eCut to size and install with finish nails or construction adhesive. Flatstock is the base component for custom trim builds -- combine multiple widths and profiles to create elaborate door surrounds and mantels. MDF is a paint-only material. It does not accept stain and must be kept dry -- do not install in bathrooms or high-humidity areas.\u003c\/p\u003e\n\u003ch4\u003ePro Tips\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFlatstock is the DIY trim builder's best friend. Combine a wide flatstock header with casing legs to create a Craftsman-style door surround without buying specialty moulding.\u003c\/li\u003e\n\u003cli\u003eApply two coats of quality interior latex paint in satin or semi-gloss directly over the factory primer. Seal all cut edges with primer before painting -- exposed MDF edges absorb paint unevenly.\u003c\/li\u003e\n\u003cli\u003eFor custom mantel and built-in applications, rip flatstock to the exact width needed on a table saw. The square edges allow precise custom sizing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is flatstock used for?\u003c\/strong\u003e\u003cbr\u003eFlatstock is a square-edged board used to build custom trim assemblies, window headers, mantels, and built-in shelving. It is the base material for any trim design that starts with a straight, flat profile.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use MDF moulding in a bathroom?\u003c\/strong\u003e\u003cbr\u003eNo. MDF absorbs moisture and swells irreversibly. Use solid wood (hemlock or cedar) moulding in bathrooms and high-humidity areas.\u003c\/p\u003e","brand":"Alexandria Mouldings","offers":[{"title":"Default Title","offer_id":50093183402282,"sku":"","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/8622\/9546\/files\/0M1X6512FlatstockS4SE2EMDF-Resized.jpg?v=1759444497"},{"product_id":"0m1x5-4-9-16-inch-flatstock-s4s-e2e-mdf","title":"0M1X5 4-9\/16\" Flatstock S4S E2E Primed MDF","description":"\u003cp\u003e0M1X5 4-9\/16\" Flatstock S4S E2E Primed MDF is a smooth, knot-free MDF flatstock, factory-primed and ready for topcoat. Flatstock is a smooth, square-edged board used as a building block for custom trim assemblies, window and door surrounds, mantels, built-in shelving, and any application where a plain, straight-edged profile is needed. Available at Windsor Plywood locations across Canada.\u003c\/p\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFactory-primed MDF -- smooth, knot-free surface paints to a flawless finish without site priming\u003c\/li\u003e\n\u003cli\u003eConsistent density throughout -- no grain telegraphing, no knots, no resin bleed under paint\u003c\/li\u003e\n\u003cli\u003eEased 2 Edges (E2E) profile at 4-9\/16\" -- Interior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/li\u003e\n\u003cli\u003eAvailable at Windsor Plywood locations across Canada -- confirm stock at your local branch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eMDF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eProfile\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eEased 2 Edges (E2E)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eWidth\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e4-9\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eFinish \/ Coating\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eFactory white primer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eApplication\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eInterior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eAvailability\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eIn-store -- confirm current stock with your local Windsor Plywood location. Some products may be special order.\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eCommon Uses\u003c\/h4\u003e\n\u003cp\u003eCut to size and install with finish nails or construction adhesive. Flatstock is the base component for custom trim builds -- combine multiple widths and profiles to create elaborate door surrounds and mantels. MDF is a paint-only material. It does not accept stain and must be kept dry -- do not install in bathrooms or high-humidity areas.\u003c\/p\u003e\n\u003ch4\u003ePro Tips\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFlatstock is the DIY trim builder's best friend. Combine a wide flatstock header with casing legs to create a Craftsman-style door surround without buying specialty moulding.\u003c\/li\u003e\n\u003cli\u003eApply two coats of quality interior latex paint in satin or semi-gloss directly over the factory primer. Seal all cut edges with primer before painting -- exposed MDF edges absorb paint unevenly.\u003c\/li\u003e\n\u003cli\u003eFor custom mantel and built-in applications, rip flatstock to the exact width needed on a table saw. The square edges allow precise custom sizing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is flatstock used for?\u003c\/strong\u003e\u003cbr\u003eFlatstock is a square-edged board used to build custom trim assemblies, window headers, mantels, and built-in shelving. It is the base material for any trim design that starts with a straight, flat profile.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use MDF moulding in a bathroom?\u003c\/strong\u003e\u003cbr\u003eNo. MDF absorbs moisture and swells irreversibly. Use solid wood (hemlock or cedar) moulding in bathrooms and high-humidity areas.\u003c\/p\u003e","brand":"Alexandria Mouldings","offers":[{"title":"Default Title","offer_id":50093185794346,"sku":"","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/8622\/9546\/files\/0M1X54916FlatstockS4SE2EMDF.webp?v=1746291302"},{"product_id":"0m1x4-3-1-2-inch-flatstock-s4s-e2e-mdf","title":"0M1X4 3-1\/2\" Flatstock S4S E2E Primed MDF","description":"\u003cp\u003e0M1X4 3-1\/2\" Flatstock S4S E2E Primed MDF is a smooth, knot-free MDF flatstock, factory-primed and ready for topcoat. Flatstock is a smooth, square-edged board used as a building block for custom trim assemblies, window and door surrounds, mantels, built-in shelving, and any application where a plain, straight-edged profile is needed. Available at Windsor Plywood locations across Canada.\u003c\/p\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFactory-primed MDF -- smooth, knot-free surface paints to a flawless finish without site priming\u003c\/li\u003e\n\u003cli\u003eConsistent density throughout -- no grain telegraphing, no knots, no resin bleed under paint\u003c\/li\u003e\n\u003cli\u003eEased 2 Edges (E2E) profile at 3-1\/2\" -- Interior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/li\u003e\n\u003cli\u003eAvailable at Windsor Plywood locations across Canada -- confirm stock at your local branch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eMDF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eProfile\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eEased 2 Edges (E2E)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eWidth\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e3-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eFinish \/ Coating\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eFactory white primer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eApplication\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eInterior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eAvailability\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eIn-store -- confirm current stock with your local Windsor Plywood location. Some products may be special order.\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eCommon Uses\u003c\/h4\u003e\n\u003cp\u003eCut to size and install with finish nails or construction adhesive. Flatstock is the base component for custom trim builds -- combine multiple widths and profiles to create elaborate door surrounds and mantels. MDF is a paint-only material. It does not accept stain and must be kept dry -- do not install in bathrooms or high-humidity areas.\u003c\/p\u003e\n\u003ch4\u003ePro Tips\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFlatstock is the DIY trim builder's best friend. Combine a wide flatstock header with casing legs to create a Craftsman-style door surround without buying specialty moulding.\u003c\/li\u003e\n\u003cli\u003eApply two coats of quality interior latex paint in satin or semi-gloss directly over the factory primer. Seal all cut edges with primer before painting -- exposed MDF edges absorb paint unevenly.\u003c\/li\u003e\n\u003cli\u003eFor custom mantel and built-in applications, rip flatstock to the exact width needed on a table saw. The square edges allow precise custom sizing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is flatstock used for?\u003c\/strong\u003e\u003cbr\u003eFlatstock is a square-edged board used to build custom trim assemblies, window headers, mantels, and built-in shelving. It is the base material for any trim design that starts with a straight, flat profile.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use MDF moulding in a bathroom?\u003c\/strong\u003e\u003cbr\u003eNo. MDF absorbs moisture and swells irreversibly. Use solid wood (hemlock or cedar) moulding in bathrooms and high-humidity areas.\u003c\/p\u003e","brand":"Alexandria Mouldings","offers":[{"title":"Default Title","offer_id":50093185827114,"sku":"","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/8622\/9546\/files\/3-12FlatstockS4SE2EMDF-Resized.jpg?v=1759444091"},{"product_id":"0m1x3-2-1-2-inch-flatstock-s4s-e2e-mdf","title":"0M1X3 2-1\/2\" Flatstock S4S E2E Primed MDF","description":"\u003cp\u003e0M1X3 2-1\/2\" Flatstock S4S E2E Primed MDF is a smooth, knot-free MDF flatstock, factory-primed and ready for topcoat. Flatstock is a smooth, square-edged board used as a building block for custom trim assemblies, window and door surrounds, mantels, built-in shelving, and any application where a plain, straight-edged profile is needed. Available at Windsor Plywood locations across Canada.\u003c\/p\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFactory-primed MDF -- smooth, knot-free surface paints to a flawless finish without site priming\u003c\/li\u003e\n\u003cli\u003eConsistent density throughout -- no grain telegraphing, no knots, no resin bleed under paint\u003c\/li\u003e\n\u003cli\u003eEased 2 Edges (E2E) profile at 2-1\/2\" -- Interior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/li\u003e\n\u003cli\u003eAvailable at Windsor Plywood locations across Canada -- confirm stock at your local branch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eMDF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eProfile\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eEased 2 Edges (E2E)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eWidth\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e2-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eFinish \/ Coating\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eFactory white primer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eApplication\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eInterior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eAvailability\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eIn-store -- confirm current stock with your local Windsor Plywood location. Some products may be special order.\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eCommon Uses\u003c\/h4\u003e\n\u003cp\u003eCut to size and install with finish nails or construction adhesive. Flatstock is the base component for custom trim builds -- combine multiple widths and profiles to create elaborate door surrounds and mantels. MDF is a paint-only material. It does not accept stain and must be kept dry -- do not install in bathrooms or high-humidity areas.\u003c\/p\u003e\n\u003ch4\u003ePro Tips\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFlatstock is the DIY trim builder's best friend. Combine a wide flatstock header with casing legs to create a Craftsman-style door surround without buying specialty moulding.\u003c\/li\u003e\n\u003cli\u003eApply two coats of quality interior latex paint in satin or semi-gloss directly over the factory primer. Seal all cut edges with primer before painting -- exposed MDF edges absorb paint unevenly.\u003c\/li\u003e\n\u003cli\u003eFor custom mantel and built-in applications, rip flatstock to the exact width needed on a table saw. The square edges allow precise custom sizing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is flatstock used for?\u003c\/strong\u003e\u003cbr\u003eFlatstock is a square-edged board used to build custom trim assemblies, window headers, mantels, and built-in shelving. It is the base material for any trim design that starts with a straight, flat profile.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use MDF moulding in a bathroom?\u003c\/strong\u003e\u003cbr\u003eNo. MDF absorbs moisture and swells irreversibly. Use solid wood (hemlock or cedar) moulding in bathrooms and high-humidity areas.\u003c\/p\u003e","brand":"Alexandria Mouldings","offers":[{"title":"Default Title","offer_id":50093185859882,"sku":"","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/8622\/9546\/files\/0M1X3212FlatstockS4SE2EMDF.webp?v=1746291366"},{"product_id":"0m1x2-1-1-2-inch-flatstock-s4s-e2e-mdf","title":"0M1X2 1-1\/2\" Flatstock S4S E2E Primed MDF","description":"\u003cp\u003e0M1X2 1-1\/2\" Flatstock S4S E2E Primed MDF is a smooth, knot-free MDF flatstock, factory-primed and ready for topcoat. Flatstock is a smooth, square-edged board used as a building block for custom trim assemblies, window and door surrounds, mantels, built-in shelving, and any application where a plain, straight-edged profile is needed. Available at Windsor Plywood locations across Canada.\u003c\/p\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFactory-primed MDF -- smooth, knot-free surface paints to a flawless finish without site priming\u003c\/li\u003e\n\u003cli\u003eConsistent density throughout -- no grain telegraphing, no knots, no resin bleed under paint\u003c\/li\u003e\n\u003cli\u003eEased 2 Edges (E2E) profile at 1-1\/2\" -- Interior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/li\u003e\n\u003cli\u003eAvailable at Windsor Plywood locations across Canada -- confirm stock at your local branch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eMDF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eProfile\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eEased 2 Edges (E2E)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eWidth\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003e1-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eFinish \/ Coating\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eFactory white primer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eApplication\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eInterior -- band moulding, panel frames, wainscot cap rails, built-up assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 12px;background:#f5f5f5;width:40%;\"\u003eAvailability\u003c\/th\u003e\n\u003ctd style=\"padding:8px 12px;\"\u003eIn-store -- confirm current stock with your local Windsor Plywood location. Some products may be special order.\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eCommon Uses\u003c\/h4\u003e\n\u003cp\u003eCut to size and install with finish nails or construction adhesive. Flatstock is the base component for custom trim builds -- combine multiple widths and profiles to create elaborate door surrounds and mantels. MDF is a paint-only material. It does not accept stain and must be kept dry -- do not install in bathrooms or high-humidity areas.\u003c\/p\u003e\n\u003ch4\u003ePro Tips\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFlatstock is the DIY trim builder's best friend. Combine a wide flatstock header with casing legs to create a Craftsman-style door surround without buying specialty moulding.\u003c\/li\u003e\n\u003cli\u003eApply two coats of quality interior latex paint in satin or semi-gloss directly over the factory primer. Seal all cut edges with primer before painting -- exposed MDF edges absorb paint unevenly.\u003c\/li\u003e\n\u003cli\u003eFor custom mantel and built-in applications, rip flatstock to the exact width needed on a table saw. The square edges allow precise custom sizing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is flatstock used for?\u003c\/strong\u003e\u003cbr\u003eFlatstock is a square-edged board used to build custom trim assemblies, window headers, mantels, and built-in shelving. It is the base material for any trim design that starts with a straight, flat profile.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use MDF moulding in a bathroom?\u003c\/strong\u003e\u003cbr\u003eNo. MDF absorbs moisture and swells irreversibly. Use solid wood (hemlock or cedar) moulding in bathrooms and high-humidity areas.\u003c\/p\u003e","brand":"Alexandria Mouldings","offers":[{"title":"Default Title","offer_id":50093185892650,"sku":"","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/8622\/9546\/files\/0M1X2112FlatstockS4SE2EMDF.webp?v=1746291398"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/8622\/9546\/collections\/Fir-mouldings-trim.jpg?v=1746294954","url":"https:\/\/www.windsorplywood.com\/collections\/flat-stock\/moulding.oembed","provider":"Windsor Plywood","version":"1.0","type":"link"}