Polyurethane Construction Caulk from Canada
Polyurethane construction caulk is a high-performance mastic for exterior building joints. It remains elastic under movement, classified under HTS 3214.10.00 as caulking compound.
Duty Rate — Canada → United States
63.7%
Rate breakdown
9903.03.1450%Articles the product of Canada as provided in subdivision (b)(3) of U.S. note 51 to this subchapter
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Submit isocyanate content declaration for OSHA and EPA compliance
• Include joint movement capability ratings in technical specs
• Certify for ASTM C920 standards if claiming construction grade