MIX-MASTER can also be used both as thin & medium bed mortars for most types of tile installations. Used for interior installation of Vitreous ceramic tiles (low absorption) porcelain, slate, quarry and clay tiles, mosaic tiles, paver tile, precast terrazzo, Saltillo, natural stone, granite and marble on wall and floor surfaces of concrete, concrete block, masonry, and brick and it’s Ideally for use with UNCOUPLING MEMBRANE waterproofing membrane system.