3701 Mortar Admix is designed for use with 226 Thick Bed Mortar or Portland cement and sand mixes. 3701 Mortar Admix is a multiuse latex that will fortify any cement based adhesive or cement based tile grout. 3701 Mortar Admix can be mixed with 211 Crete Filler Powder or neat cement for use as a slurry bond coat. Use 3701 Mortar Admix in place of water for screeds and renders. 3701 Mortar Admix increases the physical performance of Portland cement adhesives. Used in place of water, 3701 Mortar Admix improves the working and physical properties of any cement mix and provides an economical and easy way to make permanent, trouble-free installations of ceramic tile, brick and natural stone.