A single component, high-performance, polymer-modified dry-set mortar to be mixed with water only.Ultra/Flex 2 has a high content of the dry polymer. This results in excellent bond capacity which exceeds ANSI 118.4 requirements.For interior vertical and horizontal tile installation of stone, ceramic, porcelain, and quarry tile over most traditional, adequately prepared, non-deflecting substrates such as plywood, cured concrete, masonry, and cement panels.For interior renovation installations: over properly prepared and well-bonded unglazed tile, cement terrazzo, cutback adhesive residue, VCT, and VAT.Ultraflex Ii White Polym. Modified 50lbs
