Fast-setting Cementitious Water Stop Repair Mortar

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Product details


MORTAR-PLUG is a one-component, fast-setting, portland cement based, water-stop designed to instantly stop active water leaks through holes and cracks in concrete or masonry.


  • Stops water leaks in two to four minutes at 68°F (20°C)
  • Fast return to service
  • Ready to apply cementitious coating in 15 minutes
  • Excellent bond to concrete and masonry
  • Easy application - no odor - no fumes

Typical Applications

When mixed with water, MORTAR-PLUG can be used to stop leaking water in:
* Water/waste-water treatment tanks
* Non-moving (static) cracks and holes with running water
* Non-moving joints, or form-tie holes
* Basements
* Sumps
* Tunnels

Article-No. Packaging size Unit/Pallet
2MPG-050P 50 lb/pail 36


Safety Data Sheet (SDS)
Technical Data Sheet