Shurtape SF 685 ShurMASTIC Butyl Foil Tape, 3in x 100ft

Shurtape SF 685 ShurMASTIC Butyl Foil Tape, 2in x 100ft

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 in accordance with UL 723 and delivers permanent, airtight and water-resistant seals in temperatures up to 200 F.

Features & Benefits

• Indoor/outdoor mastic foil tape
• Linered
• Stays supple and forms a permanent bond to substrate
• Paintable with paint recommended for aluminum
• Contains no asbestos, CFCs or PCBs