Custom Building Products White SimpleSet Pre-Mixed Thin-Set Mortar, 1 gal. a no-mix, no-mess to traditional thin-set mortars that spreads quickly and easily for efficient installation. It is specially formulated for bonding porcelain, stone, marble, granite, and ceramic or porcelain tile up to 8" x 8". While it can be used with tiles up to 15" on one side, please note that the drying time will significantly increase. This mortar is i for interior wall and floor installations and is for lighter-color stone and tile applications due to its white color. It exceeds ANSI A136.1 Type I standards, ensuring high quality and performance. Coverage varies depending on the trowel size and tile dimensions, ranging from 14 to 44 square feet per gallon. The product comes in a convenient 1-gallon pail with an 18-month shelf life, making it a reliable choice for your tiling projects. Model Number: STTSW1-2