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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, Blackhawk 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
| Blackhawk 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 |