Bitumen-Layered Damp-Proof Course Paperboard from Canada
Composite paperboard with bitumen layers sandwiched internally, used as damp-proof course in masonry foundations. HTS 4807.00.10.00 applies to this non-surface-coated, internally laminated product.
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
• Provide BS or ASTM specs confirmation for damp-proof performance
• Ensure roll form declaration to stay in 4807, not cut articles