A Portland cement based, pourable, self-leveling, underlayment which requires no latex additive, only water. No troweling necessary, LevelQuik flows and seeks its own level. Levels from featheredge up to 1-1/2" in 1 pour. Levels floors prior to installing ceramic tile, carpet, resilient flooring, wood flooring, etc. Apply over concrete, cement backer board, ceramic tile, brick, pavers, terrazo, marble, and plywood. Not recommended over hardwood or parquet floors. Recommended interior use and when ambient temperature is over 50 deg. F. Prime all surfaces with LevelQuick Concentrated Latex Primer Model No. CPQT (SKU 263823) before application. Cure time: 12 to 16 hours. Coverage: One 50 lb. bag will cover approximately 40 sq. ft. at 1/8" thickness.