GAP WaterGuard Flashing

GAP WaterGuard Flashing is a pressure sensitive adhesive coated polypropylene woven fabric, designed to not support mold growth and is water, tear and UV resistant.It can be applied in a range of temperatures (down to -20ᴼF, -30ᴼC and as high as 125ᴼF, 52ᴼC) and operational range (down to -40ᴼF, -39ᴼC and as high as 210ᴼF, 100ᴼC) . This material is for use as a high tack peel and stick window and door flashing and contains no VOC’s or CFC’s; no off-gasing. This product is non-toxic and non-allergenic.  Available in 4″, 6″, and 9″.
    Product Use

    Polypropylene woven fabric, polypropylene coated on two sides (tan/grey), with an adhesive coated backside layer, and a split release poly liner. The overall total weight 9.1 oz./yd2 (308 g/m2) +/- 5%. Rolls have a 3” core, 4”, 6” & 9” standard (width) x min. 75’(length).

    Material Performance

    Strip Tensile (ASTM D882)
    • MD 96 lb. (426 N) / CD 96 lb. (426 N)

    Peel Strength (OSB) (ASTM D903)

    • 5.3 pli
    • 4.6 pli (0ᴼF)
    • 2.4 pli (40ᴼF)
    Puncture Resistance (ASTM 4833)
    • 58 lbs.
    Moisture Vapor Transmission (ASTM E96)
    • <0.1 perms (0.7 g/day-m2)

    Low Temperature Flexibility (ASTM D522)

    • Pass (no cracking, -20ᴼF, -29ᴼC)

    UV Weathering

    • 6 months (UV Stabilized to the coating)

    Government Specifications

    Meets requirements for ASTM E2112 (Standard Practices of Exterior Windows and Doors)

    Meets AMMA 711 (Nail Sealability) – (Standard Practices of Exterior Windows and Doors)


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    Manufacturing Locations

    Pryor, OK | McGregor, TX | Shafter, CA

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