Ready-to-use, no mixing, no mess alternative to traditional sanded grout. This sanded, non-shrink and crack-resistant formula is highly-resistant to most common household stains retaining original color for years to come. Ideal for new tile grout installation and restoration of existing tile grout. Grouts ceramic, mosaic, quarry, porcelain, stone tile, marble, and granite. Porous stone can be stained by grout; follow directions in surface preparation instructions. Interior use only. Suitable for wet areas such as tub surrounds, shower floors and shower walls. Do not use in steam rooms, areas exposed to prolonged water exposure or underwater. Protected with MoldGard Technology to resist mold and mildew growth. For grout joints 1/16″ to 1/2″. Allow 24 hours drying time. Clean tools with water before material dries.