Maxplug is a quick-setting hydraulic cement that instantly stops running water from cracks, holes or other openings in concrete and masonry, once it sets. It does not contract and sets within three to five minutes depending on the temperature. It only requires water for mixing. Used to seal leaks instantly in concrete surfaces and solid masonry. For emergency repairs on water pipes. Emergency plugging of gas leaks. To anchor bolts and other accessories that requires immediate use. In basements, tunnels and sewers, to stop water under pressure. Maxplug Data Sheet