Waterplug is a one-component, quick-setting, Portland-cement-based hydraulic repair mortar that instantly stops running water through holes or cracks in concrete or masonry. It expands as it sets to lock into place even under constant water pressure.
Stops running water instantly
Non-shrinking, expands as it sets and won't pull away from edges of patch
Will set up under water
Sets fasts-3-5 minutes
Exceptional structural strength
Dry powder form, just add water
Easy to mix and put in place-requires no special equipment