Glass Wool Wall Insulation Roll from Japan
Flexible rolls of glass wool designed for installation between wall studs in home construction to provide thermal and acoustic insulation. Classified in HTS 7019.80.10.90 as 'other' insulation products of glass wool per chapter specifications.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Label products clearly with R-value ratings and fire resistance certifications to meet ASTM standards and avoid holds
• Provide certificates of analysis confirming glass wool composition to prevent reclassification during audits
• Declare as flexible rolls only; rigid boards may require different subheadings