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%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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