Stop water leaks that result from breaks in concrete. Use SAKRETE plug-tite, a quick-setting, non-shrink, hydraulic cement. Available in 2 KG, 5 KG and 15 KG pails. Stop active water leaks through breaks in all concrete and masonry surfaces, such as basement walls or floors, tunnels, storage tanks, pools, pits, cisterns, construction faults and holes. May also be used on inactive leaks.