A no-mix, no-mess alternative to traditional thin-set mortars spreads quickly and easily. Recommended to bond porcelain, stone, marble, granite and ceramic or porcelain tile up to 8 x 8. Can be used with tile with one side up to 15, but dry time significantly increases. For interior wall and floor installations. Use white SimpleSet when installing lighter-color stone and tile. Exceeds ANSI A136.1 Type I. Coverage: 40-44 sq. ft. per gallon using a 3/16 x 5/32 V-notch trowel for tile up to 6 x 6. 20-25 sq. ft. per gallon using 1/4 x 1/4 x 1/4 square notch trowel for tile up to 12 x 12. 14-17 sq. ft. per gallon using a 1/4 x 3/8 x 1/4 square notch trowel for tile over up to 16 x 16.