High-Density Rock Wool Batts for Partition Walls 24" from Mexico

High-density (10 lb/cu ft) rock wool batts, 24 inches wide, for soundproof partition walls in multi-family housing. HTS 6806.10.00.40 applies to these thick mineral wool batts >61 cm wide for dual thermal/sound insulation, not coated or of excluded chapters like 71 or 94. Excellent mold resistance.

Duty Rate — Mexico → United States

13.9%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

Import Tips

Provide load-bearing test data if marketed for structural partitions to avoid reclassification as chapter 94 building materials

Ensure no metal mesh reinforcement, which could shift to 7314 for wire products