ROCKBOND LIGHTWEIGHT MORTAR (RB LWM) powder is premixed and ready to use. It consists of a blend of cement powders, graded lightweight aggregates and a union of admixtures. The compound, when mixed with water, produces a lightweight, thixotropic, non flow, non slump, quick set, fibre reinforced, polymer modified mortar, which is easily mixed, worked and placed. The mortar is specially designed to repair soffit concrete, and to fill large volume voids. The powder is packaged in 25kg moisture proof, durable bags and has a shelf life of 5 years.