Attic Rock Wool Insulation from Japan
Unfaced rock wool rolls for residential attic insulation, providing R-value thermal resistance. Sheets/rolls of rock wool in 6806.10.00.
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
• Declare R-value but classify by form, not performance
• No vapor barrier facing or it's potentially 6812