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Bamboo Roof Deck Panels from Japan

Structural roof decking panels from cross-laminated bamboo for direct roofing support. HTS 4418.91.91.40 as fabricated bamboo structural members. Replaces concrete in green building.

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

Test for diaphragm shear and bending capacity

Weatherproof edge treatment documentation

Span tables mandatory for structural acceptance