Tar-Impregnated Insulation Facing Paper from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Specify if foil-laminated; foil facing may require 76xx classification if primary
• Ensure impregnation is paper-focused; foil-dominant shifts chapters