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267 Professional Grade Mastic Tape

Seal cracks and seams in gutters, sheet metal roofing, trailers, and more

Applications

  • Indoor/Outdoor sealing of low, medium, and high pressure sheet metal duct systems and UL Listed flexible, non-metallic ducts
  • Seal cracks and seams in gutters, sheet metal roofing, trailers, and more

Benefits

Aggressive butyl mastic adhesive

  • Provides permanent water and air-tight seal
  • Resistant to moisture and solvents
  • Repositionable for several minutes for easy install

Conformable foil backing

  • Easy to use in tight spaces
  • Conforms easily to round, square or odd-shaped objects

UL 181B-FX Listed

  • Meets code requirements and can contribute toward requirements for EA Credit 1 (Optimize Energy Performance) under LEED®

Low VOC Content

  • Can contribute toward satisfying EQ Credit 4.1 (Low Emitting Materials) under LEED®

Product Specifications

Adhesive TechnologyButyl Rubber
Tape Thickness (w/ liner)17
Operating Temp Range-20 to 200 °F
Shelf Life1095
Tape TypeFoil Tape
Release LinerBlue LDPE Film
Total Thickness ~ mils17
Operating Temperature (Max) ~ °C93
Operating Temperature (Min) ~ °C-28
Operating Temperature (Max) ~ °F200
Operating Temperature (Min) ~ °F-20

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