Damtite 17121 Hydraulic Cement, 10 lb, Pail

Sets in 3 to 5 mins. Stops flowing water or seepage under pressure through holes and cracks and can even be applied under water. Expands as it sets to provide a permanent, high strength patch on cracks in concrete, masonry walls, wall-floor joints, swimming pools, water storage tanks, fountains, ponds and drains. Also used for sealing around pipe/conduit or to anchor hooks, bolts and metal to concrete. Ready to mix with water.