Liquid BackerBoard, Portland Cement-Based Self-Levelling Underlayment for Encapsulating in-Floor Electrical Heating Systems, Interior Wood and Concrete Subfloors, 50 lb (22.7 kg) Bag

self-leveling underlayment features an easy-to-use formula with a long working time. It smooths subfloors prior to the installation of tile, stone, and wood flooring
Imperfections can be corrected within 15 minutes after pouring, and an additional 15-minute “healing time” can be obtained by troweling the surface of the materialLiquid BackerBoard applies up to 1/2″ thick. It can be used a convenient, fast, and easy prefill option over uncoupling membranes
This self-leveling underlayment does not require lath mesh or additive. It is ideal for encapsulating electrical in-floor heating
It is suitable for use on concrete, cement backerboard, exterior grade plywood with joists up to 24″, ceramic tile, pavers, brick, stone, concrete terrazzo, sheet vinyl, and cutback adhesive, non-1