Rock Wool Insulation Batt from Canada
A pre-cut batt made from rock wool fibers, designed for thermal and sound insulation in walls and ceilings. Classified under HTS 6806.10.00.90 as rock wool in bulk, sheets, or rolls, other than specific exclusions, for its heat-insulating properties from mineral materials.
Duty Rate — Canada → 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
• Verify product meets mineral wool composition; provide lab tests for fiber content to avoid reclassification
• Ensure R-value documentation for energy efficiency claims during customs clearance