OPTIMIX SC273 Skimcoat (Putty for Paint) is a high quality pre-mixed mortar which consists of special cements, graded fillers, polymers and chemical additives. When mixed with water, it readily blends to produce a trowellable mortar for internal wall plastering work of building projects. It can be applied at thickness between 1mm to 3mm in one operation to provide a flat smooth surface. OPTIMIX SC273 can be applied to rendered walls, cement based precast wall panels and smooth concrete block surfaces. It is designed to provide a highly durable and moisture resistant flat surface to receiving finish coating.