7/16-inch Oriented Strand Board (OSB) Sheathing from Canada
This is structural oriented strand board measuring 7/16 inch thick, sanded on one side, used primarily for wall sheathing and roof underlayment in residential construction. It falls under HTS 4410.12.0010 as OSB of wood that is unworked or only sanded, with strands oriented in specific layers and bound with resins. Meets standards for exposure durability in construction applications.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Verify formaldehyde emission compliance with EPA TSCA Title VI standards; require CARB Phase 2 certification documentation
• Confirm dimensions and thickness tolerance match US building codes (e.g
• APA standards) to avoid reclassification
• Include mill test reports proving wood species mix and resin content under 3% binder by weight