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Bamboo Laminated Structural Beams from Japan

Prefabricated beams made from layered bamboo strips laminated together under pressure, designed for load-bearing structural applications in construction. Classified under HTS 4418.91.91.40 as fabricated structural wood members of bamboo, meeting the definition of woody materials per Chapter 44 notes. These beams provide high strength-to-weight ratio for framing roofs and floors.

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

Verify bamboo origin certification to comply with Lacey Act declarations for wood products

Ensure structural engineering specs and load ratings are documented for customs valuation

Avoid misclassification as unfinished bamboo by providing fabrication process evidence