2.5-Lb. Quick Plug Hydraulic Cement
A high-performance patching compound, formulated to stop running water through deep cracks, holes and imperfections in concrete surfaces. It creates a watertight seal in about 3-5 minutes. Works both above and below ground level. Interior/exterior use.
We Also Recommend
Gorilla 4 In. x 10 Ft. Waterproof Patch & Seal Repair Tape, Black