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Hemlock Wood Wool Insulation from Canada

Compressed hemlock excelsior panels for loose-fill wall insulation (R-value 2.2 per inch). HTS 4405.00.00.00 classification for cellulosic wood wool insulation. Borate treatment for fire/smoldering resistance.

Duty Rate — Canada → United States

13.2%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Thermal conductivity certificates (K-factor) for building code approval

Borate content analysis (<15%) to maintain wood wool status

Settled density specs (2.5-3.5 lb/cu.ft.) for blower installation

Hemlock Wood Wool Insulation from Canada — Import Duty Rate | HTS 4405.00.00.00