SPECCRETE® Speccoplug

Cement based hydraulic cement blended for extremely fast, one minute set, to stop active water leaks through concrete or masonry.


Speccrete® Speccoplug is a quick setting hydraulic cement compound used to instantly stop running water or seepage leaks in concrete and masonry. It is non-shrinking, non-metallic and requires only potable water for mixing. Common uses are above or below grade, interior or exterior to stop leaks and seepage in concrete and masonry walls and floors. The fast initial 1 minute set, high strength and controlled expansion make Speccrete® Speccoplug the ideal material for use in swimming pools, cisterns, reservoirs, water tanks, manholes, concrete pipe and foundations.


  • Very rapid setting.
  • Controlled expansion.
  • Non-shrink.
  • High strength.
  • May be used effectively in cold weather.

COMPOSITION:  Hydraulic cements and selected aggregates

AVAILABLE IN: 3 lb. (1.36 kg), 10 lb. (4.54 kg), and 50 lb. (22.70 kg) containers.