Damp-Proof Course Bitumen Fiberboard from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
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