Bitumen Coated MDF Insulation Board for Wall Sheathing from Mexico
Medium-low density fiberboard impregnated with bitumen for enhanced water resistance in exterior wall applications. Provides thermal insulation and structural backing in construction. Falls under 4411.94.00.70 as low-density fiberboard specifically treated with bitumen.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Document bitumen impregnation process and percentage to distinguish from surface-coated products under different subheadings
• Ensure formaldehyde emission compliance (EPA TSCA Title VI) with test reports for fiberboard imports
• Check for anti-dumping duties if sourced from specific Asian manufacturers previously subject to investigations