Custom Building Products Natural Gray Simplegrout Tile Grout, 1 gal. is a ready-to-use grout that a convenient to traditional sanded grout with no mixing or mess involved. Its non-shrink and crack-resistant formula is designed to resist most common household stains, maintaining its color for years. This grout is for both new tile grout installations and restoring existing grout, and it works well with ceramic, mosaic, quarry, porcelain, stone tile, marble, and granite surfaces. It is intended for interior use only and is suitable for wet areas such as tub surrounds, shower floors, and shower walls, though it should not be used in steam rooms or areas with prolonged water exposure. Enhanced with MoldGard Technology, it helps prevent mold and mildew growth. The grout is designed for joints from 1/16" to 1/2" and requires 24 hours to dry. Tools can be cleaned easily with water before the grout dries. Model Number: PMG091-2