€¢ Perfect for repairs cracks and breaks €¢ Stop and seal water leaks €¢ Interior & exterior use €¢ Fast setting >> A versatile; high-performance dry patching compound to stop and seal water leaks 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 fast-setting anchoring cement to permanently anchor fence and railing posts; bolts; machinery and fixtures into concrete and masonry surfaces. Interior/exterior use."