Fire-Rated Resin Fiberboard Ceiling Panel from Canada
Laminated fiberboard (0.72 g/cm³) impregnated with fire-retardant synthetic resins, continuous groove-and-tongue edges for suspended ceiling frameworks in public buildings. Meets stringent building code requirements for flame spread. HTS 4411.93.20.00 for resin-bonded fiberboard dedicated to ceiling construction.
Duty Rate — Canada → United States
11.5%
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
• Include UL or ASTM fire test listings specific to the resin formulation
• Specify grid compatibility (e.g
• 15/16" exposed tee) for ceiling system validation