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ZIP System Liquid Flash


  • 1
    Can Liquid Flash be Applied Across Gaps?

    Any gaps that exceed ½” should be filled with expandable foam insulation, backer rod or fiber-reinforced gap filler prior to the application of ZIP System Liquid Flash.


  • 2
    Can Liquid Flash Be Used on Surfaces Other Than ZIP System Sheathing?

    ZIP System Liquid Flash bonds well to wood, concrete, masonry, architectural metals, glass, PVC, FRP, EPDM and most other building materials.


  • 3
    Can Liquid Flash be Installed in the Rain?

    Yes, ZIP System Liquid Flash bonds and cures in wet weather and on damp substrates. Do not apply Liquid Flash to surfaces with standing water or frost.


  • 4
    How Long Does It Take for Liquid Flash to Cure and Dry?

    Liquid Flash will withstand rain immediately after installation, providing fast rough dry-in. Liquid Flash takes approximately 20-40 minutes to fully cure, depending on conditions. Allow treated surfaces to cure before installing windows. If cold or dry weather conditions slow curing, surfaces may be misted with fresh water to accelerate the cure.


  • 5
    Can Liquid Flash be Installed in Cold Temperatures?

    ZIP System Liquid Flash should not be installed when the temperature is below 35 degrees Fahrenheit (1.7 degrees Celsius) or above 110 degrees Fahrenheit (43.3 degrees Celsius).


  • 6
    Can ZIP System Tape be Used Alongside ZIP System Liquid Flash on Panel Seams?

    Yes, ZIP System tape requires a 1-inch overlap where the liquid flash ends and the ZIP Tape begins. To ensure thorough flashing, apply the ZIP System Tape first, followed by the Liquid Flash. For optimal bonding, do not apply Liquid Flash over the 3.75” ZIP System tape without proper application of primer. The primer should be allowed to dry prior to Liquid Flash application. No primer is necessary with the 6” ZIP Tape.


  • 7
    How Thick Should Liquid Flash be Applied?

    12 mils.