Roofing Underlayment Nonwoven from Canada
Spunbond polypropylene nonwoven at 105 g/m², breathable barrier under roof shingles preventing moisture infiltration. HTS 5603.93.00 for 70-150 g/m² nonwovens, minimally treated without naked-eye visible coating. Standard in residential construction.
Duty Rate — Canada → United States
10%
Rate breakdown
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 slip resistance and water resistance per ASTM; weight tolerance ±5% critical
• Rolls only—pre-cut rolls may classify as 5903 coated textiles
• Check building code compliance for destination market