Roofing Underlayment Nonwoven from Canada
Breathable nonwoven polypropylene at 42 g/m² laminated with thin polyethylene film for housewrap roofing underlayment. HTS 5603.92.00 covers 25-70 g/m² nonwovens laminated with plastics, per chapter notes. Protects against moisture in construction.
Duty Rate — Canada → United States
60%
Rate breakdown
9903.03.1450%Articles the product of Canada as provided in subdivision (b)(3) of U.S. note 51 to this subchapter
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Certify water vapor transmission rate (WVTR) and tear strength per building codes
• Distinguish from plastic sheeting (3921) by emphasizing textile base
• Weigh laminate total to confirm under 70 g/m²