Cement Wall Putty a premium quality, water resistant (interior exterior) wall putty based on carefully selected cement, fillers and polymers for concreteplaster walls, ceilings or floors. Acro Wallguard is developed after rigorous R & D and field trials. Acro Wallguard can be used for smoothening and repairing of walls, ceiling and floor surfaces. This can also be used for leveling of small undulations of substrate surface.