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CPC Waterproof Membrane
Dex-O-Tex CPC is a synthetic rubber emulsion waterproofing designed for use beneath ceramic tile, marble, quarry tile and Dex-O-Tex composition floors and decks. As a water-based and totally free of volatile organic content, it has no toxic color and can be applied with or without fabric re-enforcement.

Laboratory tests have established that Dex-O-Tex CPC Membrane will bridge concrete cracks up to 1/16" (1,6 mm) at temperatures as low as -15°F (-26°C). However, prudent design would assume that the product can be expected to bridge a crack of up to 1/8" (3,2 mm).

Product Technical Data Sheet

-Forms a monolithic, tightly adhering, molded membrane across floors and up bases, curbs, etc.

-Environmentally safe, VOC compliant.

-Reduces reflective cracking caused by substrate movement.

-Thin section does not interfere with building elevations. Unlike sheet goods, fluid applied membrane can easily be applied to irregular shapes

-Waterproofness No Passage of Water
(Resistance to passage when subjected to 27.7 inch head of water (hydrostatic pressure of 1 lb./ft.) for one month.)

-Tensile Elongation ASTM D638 305%

-Tensile Strength ASTM D638 375 psi

-MVTR Steady State in g/hr/m2 0.062

-T-Bar Adhesion 30 psi
(bonded to cement backer board 7 day dry)

  • School Locker Rooms and Restrooms
  • Mechanical Rooms
  • Shower Rooms
  • Residential Kitchens and Bathrooms
  • Patios and Balconies
  • Pool Decks
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