Bitumen-Coated Roof Underlayment Fiberboard from Mexico
Fiberboard sheets impregnated with bitumen, density 0.35-0.5 g/cm³, designed as roof underlayment to provide moisture barrier in construction. Meets HTS 4411.94.00.10 criteria: not mechanically worked, not surface covered beyond impregnation, from ligneous materials. Ideal for residential and commercial roofing applications.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Test for bitumen impregnation levels; exceeding surface coating thresholds may reclassify under 4411.94.50
• Declare exact density range on commercial invoice to avoid misclassification to lower or higher density subheadings
• Comply with building code certifications (e.g
• ASTM standards) for U.S. market entry