Polyken 339 Premium Cold Weather UL 181A & 181B-FX Foil Tape - 3 in x 180 ft
Polyken 339 Premium Cold Weather Foil Tape. UL 181A-P & 181B-FX Listed. High tack and adhesion to permanently seal seams in fiberglass duct board and flexible ducts for HVAC systems. Withstands humidity and moisture. Performance temperature -25 to 325 ?F maintains seal in cold and hot operating conditions. Durable seal for dryer ventilation and for sealing metal to metal seams on rigid sheet metal ducts
Application/Standards/Approvals: Permanently seals seams in fiberglass duct and flexible ducts for HVAC systems. Suitable to sealing metal to metal seams on rigid sheet metal ducts. Dryer and exhaust vent duct seals. UL 181A-P Listed, UL 181B-FX Listed