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Sakrete Leak stopper Fast Setting 10-lb Concrete Patch

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1 To 3 minute setting hydraulic cement
For interior or exterior use
Can be used to stop leaks underwater and under pressure

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Leak Stopper is a mixture of rapid setting adventitious 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.

1 To 3 minute setting hydraulic cement
For interior or exterior use
Can be used to stop leaks underwater and under pressure
A mixture of sand, cement and special additives designed to stop the flow of water
Strength of 3,000 psi
Just add water
Set time 4 min working time 2 min