Roofing Underlayment Nonwoven from United States
A spunbond polypropylene nonwoven at 105 g/m², used as a breathable barrier under roof shingles to prevent moisture infiltration. It falls under tariff item 5603.93.00 as a nonwoven in the 70-150 g/m² range, minimally treated without a visible coating.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure any treatment is not visible to the naked eye, as per Chapter Note 4
• Provide the weight and treatment specifications
• If the underlayment is cut to rolls with finished edges, it may be classified as a made-up article