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 the cured thin-set mortar
• Rated "EXTRA HEAVY' by TCNA