Rapid Set 25 lbs. Water Stop

Rapid Set Water Stop is a high performance, fast setting material designed to stop water leaks in concrete and masonry. Durable in wet environments, Water Stop is a blend of Rapid Set hydraulic cement and specially graded fine aggregates. Water Stop is non-metallic and no chlorides are added. Mix Water Stop with water to produce a workable, high quality material that is ideal where rapid strength gain and high durability are desired. Water Stop sets in less than 5-minutes and achieves structural strength in 1-hour.