Prova-Flex - Lightweight Uncoupling tile Underlayment - 3.28? Wide x 16?5" Long - 54 Sq.Ft. Roll
PROVA-FLEX? is a durable, lightweight tile underlayment that provides crack isolation protection on cement slabs and an easy-to-install, labor-saving alternative to backer board on wood substrates.
Features a patented Shear Stress Control? system with non-woven anchoring fleece to neutralize stress caused by movement in the substrate.
Top scrim allows for a superior mechanical bond with