4418.91.91.40/Bamboo Stair Stringers/Japan

Bamboo Stair Stringers from Japan

Prefabricated structural stringers from laminated bamboo for supporting stair treads. Classified under HTS 4418.91.91.40 for bamboo fabricated structural wood members. Heavy-duty for commercial stairs.

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%

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Import Tips

• Load test documentation for uniform and concentrated loads

• Nosing and riser integration specifications

• Fire rating compliance if for public buildings