A Portland cement based tile adhesive capable of setting almost any type of tile, including porcelain, glass, mosaic, fully vitrified, semi vitrified, and nonvitreous tile, quarry tile, and natural stone (not moisture sensitive such as marble). (For marble tile installations use Henry 316 MarbleFlex Thin-Set Mortar, Model No. FP00316412.) Mix only with water to a creamy, smooth mastic consistency. CeMastic adhesive combines the bonding power of a latex modified thin-set with the application ease of a mastic adhesive. Bonds to wood, concrete backer board, concrete, masonry, drywall, sheet vinyl, terrazzo, ceramic tile, plastic laminates, and cut back adhesive residue. Approximately 20 minutes open time, depending on the substrate and job site conditions. Dries fast, grout in as little as 3 hours. 7.5 lb. box will cover 60 sq. ft. when applied with a 5/32" D. x 3/16" W. V -notched trowel, or 25 sq. ft. when applied using a 1/4" x 1/4" x 1/4" square notched trowel. Ideally suited for all interior tile installations including floor, walls, and countertops. Water-resistant. Do not expose to freezing. Use clean, damp cloth for clean up. If material dries, use mechanical means to remove. 7.5 lb. box. Color: Off white.