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4411.94.00.50/Bitumen-Treated Lignocellulose Damp-Proof Course Boards/Mexico

Bitumen-Treated Lignocellulose Damp-Proof Course Boards from Mexico

Low-density boards from ligneous materials impregnated with bitumen, used as damp-proof courses (DPC) in foundation walls to block rising moisture. Fits HTS 4411.94.0050: fiberboard of ligneous materials, density ≤0.5 g/cm³, bitumen-impregnated, not mechanically worked. Essential for masonry construction.

Duty Rate — Mexico → United States

10%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Certify ligneous material origin per Chapter 44 note including bamboo/woody materials; document bitumen as sole treatment

• Pitfall: confusion with plastic DPCs leading to Chapter 39 classification

Bitumen-Treated Lignocellulose Damp-Proof Course Boards from Mexico — Import Duty Rate | HTS 4411.94.00.50