645 Butyl Joist Tape

Excellent conformability and cold-temperature adhesion help create a permanent weather-tight seal on deck joists, rim boards, and ledgers. The butyl adhesive bonds securely to building surfaces, while the durable woven backing resists tearing and self-heals after punctures.

Benefits

Black Woven PE Backing

• Excellent conformability for bonding around curves and corners
• Wider width for easier application
• Durable and strong

Butyl Adhesive

• Excellent cold-temperature adhesion
• Excellent adhesion to variety of substrates
• Provides permanent weather-tight seal on most clean, dry building surfaces
• Self-healing after puncture

PET Film Liner

• Tough and durable to prevent accidental tearing during installation.
• Helps ensure consistent application
• Easy to remove

Product Specifications