HydroBloc Curing 996 is a polymer evaporation protection for fresh concrete and screed. The after treatment agent is a vapour barrier and protect against fast drying out which causes cracks and other damages. Applied directly after mechanical smoothing or removing of the formwork, HydroBloc EP Curing 996 seals the surface and reduces water loss due to evaporation. The water based SBR emulsion doesn´t contain oil, separating substances or wax. It doesn´t hinder following paints, coatings or bonded coverings.