Bamboo Stair Stringers from Mexico
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 — Mexico → United States
13.2%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Load test documentation for uniform and concentrated loads
• Nosing and riser integration specifications
• Fire rating compliance if for public buildings