WIRE-BOND® Flashing Mastic is an asphalt base, trowel grade product that dries to a tough flexible waterproof and corrosive proof coating which gives excellent performance over a wide range of temperatures and conditions.

WIRE-BOND® Flashing Mastic is a recommended mastic to waterproof all laps and joints in copper based laminated flashing and Aquaflash Flashing.

Complies with all requirements of Federal Specifications SS-C-153 Type I

Clings tightly to wood, slate, metal, asbestos felt, asphalt, concrete and masonry

Great idea for general roof repair including shingle leaks

Forms a strong and flexible rubbery surface to provide years of waterproofing