Concrete Saver Pro Hydraulic Cement is designed to stop water flow and permanently seal deep cracks and holes in all grades of concrete. It plugs, seals, and creates a watertight seal in 1-3 minutes, even while water is flowing. It can be used on concrete block, cast-in-place concrete, stucco, tilt-up, exposed aggregate and slump block. It is suitable for use on basement floors and cellar walls, expansion and control joints, curtain wall joints, windows, doors, panels, fountains, reflecting pools, planters, canals, retaining walls and privacy fences.