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Blackhawk Hawk-Wrap

Butyl Rubber Joint Wrap

Blackhawk Hawk-Wrap is a high-tack butyl rubber  compound laminated with a tough HDPE backing for added puncture and tear resistance. It comes in roll form and is  unrolled over concrete joints externally and functions as a seal against infiltration and exfiltration. Composed of no asphalt, Hawk-Wrap provides a special high tack feature only found in butyl.
Features
•  Asphalt-free
•  No special tools needed
•  Designed for flexibility in temperature  extremes
•  Excellent chemical resistance
•  Tolerates joint deflection
•  Plastic film backing to resist punctures  and tears
•  Meets ASTM C877 Type III, Type A
Uses
Hawk-Wrap can be used in the following external joint applications including new and rehabilitation jobs:
•  Manhole joints
•  Septic tank joints
•  Pipe joints (both elliptical and round)
•  Box culverts
•  Arches
•  Burial vaults
•  Grade ring joints
•  Concrete bridge spans
•  Vacuum test leaks



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