Damtite Waterproofing 7122 Water Proof Hydraulic Cement, 12 lb.

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
One pound fills a crack 3/4W x 3/4D x 2.5 length, or 16.8 cubic inches
Pail
Size Lb=12