Schluter ALL-SET® is a specialized modified thin-set mortar specifically formulated for use with Schluter® membranes and boards. Engineered for use both under and over all DITRA and KERDI products Smooth and creamy Easy to handle and spread Suitable for use with ceramic, porcelain, and stone tile, including large and heavy tile To be used in conjunction with Schluter®-Systems’ uncoupling and waterproofing membranes (DITRA, DITRA-HEAT, and KERDI), the Schluter®-Shower System, and KERDI-BOARD Meets ANSI A118.4T, ANSI A118.11, and ANSI A118.15T Lifetime warranty when used with applicable Schluter products