Staircase Formwork Shuttering from Mexico
Specialized wooden shuttering for concrete staircases, with angled risers and treads forming capabilities. Temporary support system for poured concrete stairs, under HTS 4418.40.00.00.
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
• Provide angle-specific blueprints to confirm staircase application
• Ensure all components declare as formwork set, not individual joinery
• Monitor for bamboo usage; treated as wood per chapter note