Custom BLDG Products AMA2 2.5-Gallon Mortar Adhesive Mix 2.5 gallon, thin set mortar admix, pre-mixed, no diluting necessary, a liquid polymer designed to be used in place of water to increase performance of cement mortar beds, non-modified, thin set mortars cement based grouts, improves working characteristics performance of cement based mixes to boost water resistance, shock resistance freeze thaw capabilities for tile, stone or masonry installations, increases performance of non-modified thin set mortars for setting dense tile setting over hard to bond surfaces. Features It Is Easy To Use It Is Highly Durable Manufactured In United States Brand Name: Custom Bldg Products USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.