Shurtape Foil Tape, 2-1/2" x 60' x 6.8 Mil, -20 to 212 Deg F, Silver, Acrylic Based Adhesive, Dead Soft Aluminum Backing, Adhesive, Siliconized Liner

UL 181A-P/B-FX Listed aluminum foil HVAC tape for joining and sealing joints, connections and seams on rigid fiberglass duct board and flexible air duct. A tape that "does it all," AF 100 is engineered to form airtight bonds on joints and seams in application temperatures ranging from -20 to 260 deg F and in humid conditions.