AccuCast® 77 is a polymeric liquid water-repellent admixture that is part of a system of polymeric admixtures mixed throughout the concrete mix of normal, medium, lightweight concrete block, and ready mixed concrete.

AccuCast® 77 provides long-lasting resistance to water penetration by reacting to form a very effective water repellent network throughout masonry units and concrete. Polymeric admixtures are a proven technology and have earned a reputation for their ability to effectively prevent moisture from penetrating concrete masonry walls as well as concrete.