PVC Foam/Polypropylene Roofing Underlayment from Mexico
Cellular PVC sheet laminated to spunbond polypropylene for roofing membrane substrate. HTS 3921.12.1950 covers these other combined cellular sheets. Moisture vapor transmission with physical protection.
Duty Rate — Mexico → United States
15.3%
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
• Provide ASTM test results for water resistance and vapor permeability
• Document manufacturing process showing PVC/textile inseparability
• Avoid bulk packaging declaration risking heading 3923 plastic articles