Impregnated Bituminized Fiberboard Sheets from Canada
Fiberboard sheets impregnated with bitumen for roofing underlayment and waterproofing applications. HTS 4811.90.90 applies to this impregnated cellulose fiber product excluded from plain paperboard headings. Provides durable moisture barrier in construction.
Duty Rate — Canada → United States
60%
Rate breakdown
9903.03.1250%Articles the product of Canada as provided in subdivision (b)(1) 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
• Conduct asphalt/bitumen content analysis to quantify impregnation level
• Certify VOC emissions compliance for construction materials
• Avoid confusion with Chapter 68 agglomerated asbestos products