Prefabricated Bamboo Hip Roof Trusses from Japan
Prefabricated hip roof trusses constructed from glued laminated bamboo (glulam) for sloped roof ends without gable walls. Classified precisely under HTS 4418.91.91.20 for bamboo roof trusses in the builders' joinery hierarchy. Used in sustainable tropical architecture.
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
• Certify glulam adhesive meets CARB Phase 2 formaldehyde emission standards; include span/load tables in commercial invoice; inspect joints for gusset plate corrosion resistance