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Tileprotection.com :: Tile Underlayment :: ProVa Flex Tile Underlay - 269 sq. ft. Roll
DescriptionProVa Flex is a multi-functional polypropylene membrane used as an underlay for ceramic tiles and natural stone. It acts as an uncoupling membrane on all suitable substrates and as a water vapor pressure equalization membrane against dampness in the substrate. ProVa Flex protects against dampness in the substrate and is ready to tile immediately after installation. Benefits: Uncoupling ProVa Flex is a separation layer between tile and substrate, which prevents stress transfer to the tile surface. If the substrate were to shift or move at all, ProVa Flex is there to bridge cracks that may develop in the substrate from this shifting or movement. In other words, a crack caused by movement in the substrate is now completely neutralized and will not be transferred to the floor covering. Equalizes Vapor Pressure Air channels beneath the ProVa Flex remain open to allow any moisture in the substrate to evaporate. Essentially, these air channels are letting things breathe. However, Joint Strip must be used to maintain a continuous barrier. Polypropylene Polypropylene is impermeable against building chemicals. The polypropylene properties of the ProVa Flex make it easy to install and allow it to lay flatter than a tile underlayment made of polyethylene. Workability ProVa Flex is tough yet pliable. Its ability to bend around corners without breaking or creasing makes installation quite easy. ProVa Flex can be cut with a knife or scissors, and its unique profile design and inter-woven polypropylene netting material works to increase surface area. This makes for a stronger bond between underlay and tile. Suitable Substrates:
Pack Size: 1 Roll (3.28" x 82') = 269 sq. ft. ProVa Flex is 1/8" thick ProVa Flex is recommended for interior installation in dry or limited water exposed areas only, and can be installed using a 1/4" x 1/4" square notched trowel.
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