Kemper System America, Inc. Wall Guardian FW-100A

New acrylic air barrier beats ASTM E2357 by a factor of 100.L The liquid-applied Wall Guardian FW-100A helps lower installed costs.

Wall Guardian Fw 100 A Air Barrier Spray Application

Kemper System America, Inc. now offers Wall Guardian FW-100A, a liquid-applied fibered acrylic air barrier that also acts as a water/weather barrier and vapor retarder. Evaluated by the Air Barrier Association of America (ABAA), it delivers superior air barrier performance – and value

Wall Guardian FW-100A exceeds ASTM E2357 (Standard Test Method for Determining Air Leakage of Air Barrier Assemblies) with an air leakage rate of just 0.0004 cfm/ft2 @ 1.57 psf – 100 times better than the test requirement. Notably, the liquid-applied air barrier exceeded the standard in a single coat at 40 mils wet film thickness (40 sq. ft. per gallon). This makes it one of the lowest installed-cost air barrier systems in the U.S.

  • Designed to resist air and water infiltration, saving energy and preventing moisture build-up that can lead to mildew and mold. Compared to house wraps and mechanically-fastened weather barriers, Wall Guardian FW-100A can be quickly applied to building material surfaces with a heavy-duty sprayer, roller or brush.
  • The liquid-applied air barrier offers unified substrate protection, even on curved or other unconventionally shaped walls.
  • The water-based coating is a very-low VOC product and meets LEED intent at 25% recycled content. The applied coating is also Class A fire rated.
  • In addition to Wall Guardian FW-100A, Kemper System also offers related air barrier component products through its STS Coatings line acquired in 2016. These include GreatSeal LT-100 polyether Liquid Tape for board-to-board joints, windows, doors, masonry, roof flashings, etc., and UT-40 Universal Tape for quickly sealing cracks, transitions, penetrations and seams in exterior substrate and insulation board.

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