Chemically Bonded Fiberglass Roofing Mat from Canada
A non-woven, chemically bonded fabric made from colorless glass fibers, designed for use as a reinforcement mat in asphalt shingle roofing. It falls under HTS 7019.72.40.60 as 'other' closed chemically bonded glass fiber fabrics that are not colored. This classification applies to mats with a closed structure formed by chemical binders rather than weaving or needling.
Duty Rate — Canada → United States
17.3%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Verify the chemical binder composition and fiber content to confirm classification under chemically bonded mats; provide lab test reports for silica content if challenged
• Ensure documentation distinguishes it from chopped strand mats or needled felts
• Common pitfall: misclassifying as textile nonwovens under Chapter 59