Treated Fire Retardant Fir Sheathing is pressure-treated with fire retardant chemicals for applications where fire-resistant construction is required by building code. Provides both structural sheathing performance and fire resistance in a single panel. Available at Windsor Plywood locations across Canada.
Features
- Pressure-treated with fire retardant chemicals
- Meets building code fire resistance requirements
- Standard fir construction plywood with fire retardant treatment
- Available in standard 4 x 8 ft sheets
Specifications
| Product Type |
Fire Retardant Treated Fir Sheathing |
| Treatment |
Fire retardant pressure treatment |
| Sheet Size |
4 x 8 ft |
| Thicknesses |
1/2", 5/8" -- confirm at your branch |
| Availability |
In-store |
Common Uses
Required by building code in specific applications including multi-family residential construction, commercial buildings, and areas where fire separation is required. Confirm fire-retardant sheathing requirements with your building inspector or designer.
Pro Tips
- Fire retardant treatment may affect fastener compatibility and long-term structural performance in high-temperature roof applications. Confirm the specific product rating and limitations with the manufacturer data sheet.
- Do not substitute standard sheathing where fire retardant sheathing is specified by code.
Frequently Asked Questions
When is fire retardant sheathing required?
Required by building code in specific multi-family, commercial, and institutional applications. Confirm requirements with your building designer or local building inspector.
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