Glass Wool Bonded Roofing Underlayment Strip from Canada
Narrow strips of chemically bonded glass wool fabric ≤30 cm wide for use as roofing underlayment to block moisture. HTS 7019.72.15.00 covers it as qualifying glass wool (≥60% SiO2) in closed chemically bonded form per chapter note on glass wool. Excludes non-glass wools directed to 6806.
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
• Submit silica content analysis to confirm glass wool per Chapter 70 note; ensure strips are not rewound wider during import; comply with construction material flammability labeling