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