A dual-purpose mortar/grout, two-part epoxy system for interior (both interior/exterior when used as grout) floors, walls and counter tops is designed for residential to extra heavy commercial use. Used as a grout, this system is recommended wherever complete stain or chemical resistance is required and/or desired. High temperature (HT.) formula is approved for surfaces subject to extreme heat or steam cleaning [up to 177oC]. Used as mortar, this system is ideal installing green marble and other moisture-sensitive stones and agglomerates over a wide variety of substrates, including cold rolled steel.