T&G MDF Roof Lining Boards from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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