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R-13 Glass Wool Batts for Attic Insulation from Japan

Unfaced R-13 rated glass wool batts sized for standard 2x4 attic joists, offering high thermal resistance. Classified under HTS 7019.80.10.10 for glass wool batts meeting fused silica fiber criteria. Ideal for energy-efficient retrofits in homes.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

Import Tips

Provide ENERGY STAR or ICC-ES reports proving R-value for tariff and rebate eligibility

Label batts with country of origin and fiber composition to meet FTC fiber rules

Separate kraft-faced variants; facing may trigger 7019.90 or textile headings if predominant