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.

• • Nonmetallic, will not rust out or deteriorate
• • Non-shrinking
• • Will set up under water
• • Nontoxic when set
• • Exceptional structural strength
• • Dry powder form, just add water