Narrow Glass Wool Batts for HVAC Duct Lining from Canada
Slim 3-4 inch wide batts foil-faced for lining rectangular HVAC ducts internally. Classified HTS 7019.80.10.10 as glass wool batt insulation despite HVAC end-use. Meets SMACNA standards for low friability.
Duty Rate — Canada → United States
14.9%
Rate breakdown
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
• Comply with UL 181 for air duct materials certification
• Declare as liner only, not outer jacket to stay in 7019
• Test for mold resistance (ASTM D3273) in humid import markets