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Barrier-Guard Fracture Resistant Membrane
Dex-O-Tex Barrier-Guard Fracture Resistant Membrane is a composite system consisting of a proprietary synthetic rubber emulsion waterproofing membrane with a fabric reinforced cementitious protection layer. It is designed for use beneath ceramic tile, marble, quarry tile, and certain types of troweled composition flooring. It can also be used for between slabs or below grade waterproofing applications. It is applied to substrates and molded up onto bases, over curbs, etc. without the use of any adhesive other than its own composition.

Among the substrate surfaces that Dex-O-Tex Barrier-Guard Fracture Resistant Membrane can cover are concrete, wood or plywood (after special preparation). The membrane portion of the system is typically installed at a thickness of 40 mils (10.17mm). The fabric reinforced protection layer is typically installed between 60 mils and 110 mils. The finished system is usually between 100-150 mils plus or minus 10 mils dft (3.8mm plus) depending on use.

Where to Use
As fracture resistant waterproof membrane directly under ceramic tile, quarry tile, marble and seamless composition flooring in washrooms, showers, promenade decks (in certain climatic regions), between slabs, under computer access flooring, mechanical equipment rooms, toilet rooms, shopping malls, medical research animal housing, commercial kitchens, etc.

Product Technical Data Sheet

-Provides positive waterproofing.

-Crack Isolation. Reduces reflective racking from the substrate to the final finish due to minor cracking in the substrate.

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

-Thin section. No depression of slab required.

-Installed by Approved Dex-O-Tex Applicators.

-Can be applied over new or existing surfaces.

-Environmentally safe. Contains no Organic solvents, and is VOC compliant.

-Tensile Strength
Ceramic Tile Inst. SE S763 ... Dry ....................... 46 psi Wet ...................... 50 psi

-Breaking Strength ASTM D751 ...................... 265 psi

-Elongation Fabric Reinforced ASTM D751 .... 50.5%

-Hydrostatic Pressure Resistance ASTM D751, Method A, Procedure 1 ............... 240 psi

-Ozone Resistance ASTM D1149 (72 hrs @ 100 ppm No cracking, 90ºF plus hydrostatic Crazing or water FHA 4900.1) penetration

-Dimensional Stability ASTM D1204 .............. <0.5%

-Indention Resistance FMA 4900.1, Sect. 615-5 No water (shower pans) penetration

-Puncture Resistance FMA 4900.1, Sect. 615-5 No water (shower pans) penetration

-System Performance ASTM C627 (Modified to Comply with Ceramic Tile Institute moderate Split Slab procedure Commercial) ............................... No Water Penetration

-Microbial Resistant ASTM G21 ........ Passes Rating 2

-VOC ..................................................................... 6 g/L

  • School Cafeterias and Kitchens
  • Hospital Cafeterias and Kitchens
  • Mechanical Rooms
  • Patient Rooms
  • Plant Cafeterias
  • Shower Rooms
  • Residential Kitchens and Bathrooms
  • Patios and Balconies
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