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Heavy-Duty Self-Adhesive Flashing

Fortifiber Building Systems Group introduces 30 mil FortiFlash Butyl, a heavy-duty version of its self-adhesive flashing designed for reliable performance in extreme temperatures.


FortiFlash Butyl 30 mil provides the ultimate combination of performance characteristics in a self-adhesive waterproof flashing: aggressive adhesion at extreme low and high temperatures, and compatibility with most standard building materials including sealants, EPDM and flexible vinyl. Finished with an ultra-durable facer, the flashing seals around fasteners and is resistant to mold and mildew. A split release sheet allows for easy integration with weather resistive barriers.


FortiFlash Butyl 30 mil complies with the installation requirements of ASTM E-2112, Standard Practice for Installation of Exterior Windows, Doors and Skylights, and exceeds industry standards for tensile strength, nail sealability, peel adhesion and resistance to mold growth.


The product is available in 9" and 12" widths by 75' long rolls.

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