Peat Insulation Blocks from Mexico
Lightweight blocks of processed peat used for thermal and acoustic insulation in construction. HTS 6815.20.00.00 covers these as peat-based building material articles.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide fire resistance test results meeting ASTM E84 standards for building code compliance
• Declare density specs (under 200kg/m³) to confirm as insulation not structural stone
• Use non-wood pallets to prevent Chapter 44 cross-contamination in classification