An ultra premium, factory prepared, polymer fortified unsanded portland cement base grout designed for highly-delicate surfaces, such as high polish marble and soft glass. PERMACOLOR Select NS Grout Base should be mixed with water and LATICRETE COLOR KITS - the industry's first dispersible dry pigment solution. The only unsanded grout that exceeds ANSI 118.7. Formulated from a blend of high strength portland cement, polymers. Provides a grout joint that is dense, hard and durable in a multitude of colors.