Roofing Underlayment Glass Scrim from Canada
Chemically bonded open glass fiber scrim for reinforcing asphalt roofing underlayment membranes. Classified HTS 7019.73.90 as other open chemically bonded glass fiber fabrics. Open grid allows asphalt saturation while providing tear resistance.
Duty Rate — Canada → United States
16%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• ASTM testing (D5035 grab tensile strength) verifies reinforcement specifications
• Import unsaturated; asphalt saturation occurs domestically to maintain fabric classification