Tar-Impregnated Insulation Facing Paper from Japan
Tar-impregnated insulation facing paper is bituminized kraft foil-faced or plain paper in rolls for vapor barriers on fiberglass batts. Falls under HTS 4811.10.21.00 for 'other' tarred paper in rolls, with surface tar for moisture protection, outside 4803/4809/4810.
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
• Specify if foil-laminated; foil facing may require 76xx classification if primary
• Ensure impregnation is paper-focused; foil-dominant shifts chapters