Product DetailsPROTEGGA® PLUS is a durable, lightweight tile underlayment that provides crack isolation protection on cement slabs and is an easy-to-install, labor saving alternative to backer board on wood substrates.The underlayment features a patented Shear Stress Control® system with non-woven anchoring fleece to neutralize stress caused by movement in the substrateThe exclusive waterproofing and vapour management system provides open-air channels on the underside to allow moisture to dissipateAchieved an EXTRA HEAVY Performance Rating When Tested to ASTM C627Eliminates tile crackingExclusive to CanadaAvailable at select retailers
