Ker® 111 is a single-component, thin-set mortar for interior and exterior installations of dimensional stone, ceramic, porcelain and quarry tile. This mortar is formulated with a unique dry polymer, resulting in good adhesion to substrates and tile. Ker® 111 can be used for interior and exterior installations of tile in most residential floor and wall applications. In commercial applications, use on interior floors and walls as well as exterior floors.