Leak Stopper

Leak Stopper is a mixture of rapid setting cementitious materials and sand. Designed to stop the flow of water through breaks in concrete or masonry walls and floors. Can be used to stop active underwater leaks.


  • Can be applied underwater
  • Interior and exterior
  • Horizontal and vertical repairs
  • Single component
  • Non-metallic
  • Paintable when dry
  • Stops seepage leaks
  • Above and below grade
  • Initial set in 1 - 3 minutes
  • Non-staining

Use For:

  • Basements
  • Elevator pits
  • Conduits
  • Sea walls
  • Swimming pools
  • Tunnels
  • Storm drains
  • Foundations
  • Docks/piers/locks

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