Shurtape Foil Tape, Pressure Sensitive, 100 feet Length, 3 inch Width, 17 mil Thickness, Silver, Rubber Adhesive, Aluminum Backing, 255 in-oz. Adhesion, 25 in-lb Tensile, -20 to 200 degree Fahrenheit
ShurMASTIC butyl foil tape for indoor or outdoor use to seal Class 1 Flex Duct, sheet metal and duct wrap vapor barriers, and is also approved for subgrade application on PVC-coated duct. SF 685 is a linered, paintable foil mastic on a roll that's tested inch accordance with UL 723 and delivers permanent, airtight and water-resistant seals inch temperatures up to 200 F.