Shurtape
SF 685 ShurMASTIC® Butyl Foil Tape - Silver Printed - 17.0 mils - 2in x 100ft - 200664
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
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| Tensile Strength | 25 lbs/in width |
|---|---|
| Adhesive | Non-flammable, butyl rubber adhesive |
| Elongation | 560% |
| Backing Material | Printed, 2 mil aluminum foil |
| Thickness | 17.0 mils |
| Country of Origin | United States |