ROCKBOND FLOOR SCREED (RB FS) powder is a premixed, ready to use, cementitious floor screed powder. The compound contains a blend of fine cement powders, acrylic co-polymer resins, graded crushed rock sands and aggregates, fibres and a combination of admixtures. The material, when mixed with water, produces a grey semi flowing, trowelable floor screed which is applied to new or existing concrete. The hardened screed is strong, tough, hard and durable. ROCKBOND FLOOR SCREED ACCELERATED (RB FSA) is used at low temperatures, or when a rapid gain in early strength is required at 20ºC. The powders are packaged in 25kg moisture proof, durable bags and have a shelf life of 5 years.