Mapei Ultraflex 1 Polymer-Modified Mortar, White
Setting tile? Ultraflex 1 Polymer-Modified Mortar, White is the thinset that goes between your tile and the substrate. Polymer-modified for proper bond strength on porcelain, ceramic, and natural stone. White color so it doesn't telegraph through translucent tile or light grout joints.
ANSI A118.4
