Waterstop plays a critical role in the integrity of concrete structures. Waterstop provides a fluid-tight diaphragm when embedded in, and running through concrete joints. JP Specialties dramatically expands the scope of conventional water-stop by offering unmatched chemical resistance to a broad spectrum of aggressive chemicals, solvents, and hot petroleum oils. Manufactured NSF 61 certified, EPA-compliant water-stop profiles are available for new construction and retro-fit, as well as the necessary tools and accessories for proper installation.