Paint-Ready Primed Moulding & Trim

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      Create clean, professional results with premium finishing lumber. Ideal for trim work, cabinetry, furniture building, and detailed interior projects, finishing lumber is kiln-dried, surfaced, and precision-milled for a smooth, consistent appearance. We carry a wide range of profiles, sizes, and high-quality wood species—perfect for painting, staining, or leaving natural to showcase the grain. Whether you're updating a room, crafting custom millwork, or starting from scratch, finishing lumber provides the refined touch your project deserves. As a proudly Canadian company with locally owned stores, Windsor Plywood specializes in hard-to-source wood products and offers personalized, expert advice to help you achieve exceptional results. Visit your local store to explore our full selection of finishing lumber and bring lasting quality and craftsmanship to every project.

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      Frequently Asked Questions

      What primed wood products does Windsor Plywood carry?
      Windsor Plywood carries factory-primed interior trim and moulding products including primed finger-jointed pine, primed MDF profiles, and select primed wood boards. Factory-primed products are ready for finish painting on-site, reducing preparation time. Available profiles include baseboard, casing, crown, chair rail, and flat stock.
      What is the advantage of factory-primed trim versus unprimed?
      Factory priming applies a consistent, even primer coat under controlled conditions that is difficult to replicate on a job site. The primer is applied before the moulding is cut to length, which means all four faces and edges are sealed. This reduces the amount of site preparation and provides a better base for finish coats. Factory-primed trim also allows immediate painting without waiting for primer to dry on site.
      Do I need to apply additional primer over factory-primed trim?
      A light coat of site-applied primer or a quality finish primer over the factory prime coat improves adhesion of the topcoat and fills any handling marks or small surface imperfections. Lightly sanding the factory prime coat with 220-grit before applying site primer improves adhesion. Two finish coats over the site primer typically produce a high-quality painted trim result.
      Can factory-primed trim be stained instead of painted?
      No. Primed products are designed for painted applications. The primer coat seals the wood and prevents stain penetration and proper colour development. Applying stain over primer produces uneven, poor results. For stained applications, select unprimed solid wood or veneer products appropriate for the desired species and finish.
      Is factory-primed trim suitable for bathroom and kitchen environments?
      Standard factory-primed wood trim is appropriate for bathrooms and kitchens when properly painted with a moisture-resistant finish. The primer and paint system protects the wood from typical household humidity. For areas with direct water contact such as around tubs and showers, use a fully waterproof material such as PVC trim or ensure the installation is fully caulked and the paint system is rated for wet areas.