Roofing Underlayment Nonwoven from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, 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