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Damp-Proof Course Bitumen Fiberboard from China

Specialized fiberboard for damp-proof courses in masonry, bitumen impregnated throughout, density 0.35-0.5 g/cm³. Classifies under HTS 4411.94.00.10 as unworked, bitumen-impregnated low-density fiberboard from ligneous materials. Prevents rising damp in foundation walls.

Duty Rate — China → United States

37.5%

Rate breakdown

9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

Import Tips

Provide permeability test results confirming bitumen effectiveness

Ship in protective packaging to prevent surface damage pre-import

Verify compliance with local building codes for DPC materials