T&G MDF Roof Lining Boards from Canada
Medium density fiberboard boards exceeding 9mm with tongue-and-groove profiling for interior roof lining in timber-framed structures. HTS 4411.14.3000 applies due to thickness, continuous edge treatment, and explicit building construction dedication.
Duty Rate — Canada → United States
60%
Rate breakdown
9903.03.1450%Articles the product of Canada as provided in subdivision (b)(3) of U.S. note 51 to this subchapter
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify 'roof lining' application in end-use statement to meet dedication requirement
• Fungal resistance treatment documentation required for roof applications in humid climates
• Verify resin content <20% organic substances per fiberboard definition