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

• 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