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Compressed Cork Roof Insulation Strips from Japan

Narrow strips of compressed agglomerated cork designed for under-roof thermal insulation in construction. Falls under HTS 4504.10.20.00 as strip-form insulation from compressed cork, suitable for both coated and uncoated variants. Provides natural fire resistance and sustainability.

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

Specify strip dimensions in invoices; overly narrow strips might be viewed as profiles under different subheadings

Include origin certificates for cork sourcing, as EU regulations may apply to agglomerated cork products

Test for density compliance; insufficient compression could reclassify as loose fill under other codes