Dual-Flex is a multi-layer, elastomeric waterproof system for uses under tile, brick, stone or pavers that incorporates two separate layers of waterproof protection. The system is engineered to provide maximum waterproofing protection over occupied space. Dual-Flex is composed of a high strength polyurethane waterproof membrane basecoat; a high-strength, flexible trowel grade, polymer reinforced, cementitious underlayment; a secondary multi-layer, fabric reinforced, polymer modified elastomeric membrane; and a cementitious co-polymer protection coat.
-Crack isolation. Reduces reflective cracking 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.
-Maintains elastomeric properties at low temperatures
-Can be applied over new or existing surfaces
-Environmentally safe. Contains virtually no organic solvents, and is VOC compliant
-Installed only by Professional Factory Trained Dex-O-Tex Contractors
-Bond Strength ASTM C482 (modified)
Dry 77 psi
Wet 62 psi
-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 Resistant ASTM D1149 (72 hrs @ 100 ppm No cracking, 90°F plus Hydrostatic crazing or waterFHA 4900.1) penetration
-Dimensional Stability ASTM D1204 <0.5%
-Indention Resistance FMA 4900.1 Sect. 615-5 No water (shower pan) penetration
-Puncture Resistance FMA 4900.1 Sect. 615-5 No water (shower pan) penetration
-System Performance ASTM C627 (Modified to Comply With Ceramic Tile Institute moderate Commercial) No water penetration
-Microbial Resistance ASTM G21 Passes - 2
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