Polyblend PBG6025 Charcoal Tile Grout 25LbProduces hard, dense joints that resist shrinking, cracking and wear. Formulated for durability, color consistency and quick curing, Polyblend Sanded Grout accommodates 1 8"1 2" (313mm) joints for interior or exterior installations, including floors, countertops, walls, ceilings, showers, fountains and pools. Suitable Tile Types: Vitreous, semi vitreous or non vitreous tile: ceramic, mosaic, quarry, cement body tile Impervious porcelain and glass tile