Ready to use, no mixing, no mess alternative to traditional grout. Nonshrink 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. For wall and floor installation not subject to prolonged water exposure or underwater, but suitable for use with tub surrounds and on shower walls. Protected with MoldGard Technology to resist mold and mildew growth. For grout joints 1/16" to 1/2". Allow 24 hours drying time. Clean up tools with water before material dries. Available in 6 popular colors to complement the installation.