ROCKBOND LIGHTWEIGHT SCREED (RB LWS) powders are premixed, low density, ready to use, cementitious screed powders. The compounds consist of blends of cement powders, shrinkage compensating agents, graded lightweight sands and aggregates and a combination of compatible admixtures. The powders, when mixed with water, produce lightweight, free flowing concrete screeds, which are easily mixed, pumped and placed. The screeds are used as low density, low strength materials to fill large volume voids, for lightweight floors and for low density trench fill. ROCKBOND LIGHTWEIGHT (1100) SCREED (RB LW1100S) has a set density of 1100kg/m3, and the ROCKBOND LIGHTWEIGHT (1250) SCREED (RB LW1250S) has a set density of 1250kg/m3. The powders are packaged in 25kg moisture proof, durable bags and have a shelf life of 5 years.
Quickly and easily mixed with water, pumped and placed.