Pressure Treated Pine Deck Boards from United States
Pressure-treated pine deck boards, sanded to 5/4x6 inches and exceeding 6 mm in thickness, are used for outdoor decking. The boards are treated with a copper-based preservative and sealed with paint. As coniferous wood sawn lengthwise and treated with preservatives, these boards fall under this tariff item.
Duty Rate — United States → Canada
25%
Rate breakdown
26SUR2525%United States Surtax Order (2026) — 25% on US products
Import Tips
• Verify that the copper-based preservative is approved for use in Canada
• Ensure the boards are properly marked and documented as treated
• If the boards are for residential decking, check if they meet Canadian building code requirements