Krystol Plug is a fast setting powder that, when mixed to a stiff-dough consistency with water, may be used to immediately arrest the seepage or flow of water through concrete voids. Krystol Plug is used to stop flowing water, allowing waterproofing repair to be installed in leaking cracks, holes, joints or any place where water is penetrating a concrete structure.

Product Features

  • Stops flowing water immediately

  • Sets fast, in one to two minutes

  • Easy to mix and apply

  • Will set up and harden under water

  • Has exceptional strength

  • Does not contain any chlorides

  • Safe for drinking water applications


  • Can stop extreme leaks

  • Works where all other products fail