PROVA FLEX-HEAT® - Tile Underlayment - 161 sq. ft. (15 sq. m) - Roll

PROVA FLEX-HEAT® is a lightweight uncoupling membrane with heating cable capabilities. The membrane features deep grooves with locking channels that are suitable for multiple thicknesses of heating cables. Patented Shear Stress Control® system with non-woven anchoring fleece neutralizes stress caused by movement in the substrate. Versatile Heating Cable Compatibility: Can be used with multiple wire sizes of up to 0.2" (5 mm) thick Achieve 3" (7.6 cm) Cable Spacing: Provides most efficient heat distribution as per wire manufacturer specifications 0.26" (6.5 mm) thick membrane: Can be used without heating cables for matching up to higher floors to achieve a level transition Vapor Management System:Open-air channels beneath the fleece layer provides a path for moisture to dissipate. Well suited for below-grade installations Achieved an EXTRA HEAVY Performance Rating When Tested to ASTM C627 Premium polymer-modified thinset mortar required for installation. Premixed mortar or mastic are not to be used