Bitumen-Impregnated Roofing Paper Rolls from Canada
Saturated roofing felt paper rolls impregnated with bitumen for underlayment. HTS 4811.90.90.80 impregnated paper.
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
• Bitumen content <40% keeps paper classification
• Distinguish from finished shingles
• ASTM testing standards reference