A versatile, high-performance patching compound formulated to stop running water through deep cracks, holes and imperfections in concrete and masonry surfaces. It creates a watertight seal in 3-5 minutes, even while water is flowing. It works both above and below ground level. Also great as permanently anchor fence and railing posts, bolts, machinery and fixtures into concrete and masonry surfaces. Interior / exterior use.

• Stops & seals leaks in concrete & masonry

• Repairs cracks and breaks

• Fast-setting anchoring cement