Parson Perma Seal is a single component, hydrophilic polyurethane grout. It contains no TDI or solvents and has excellent elongation and flexibility properties. Reaction time, when mixed 1:1 with water, is approximately 30 seconds. Parson Perma Seal can be used to stop low to medium volume active leaks in manholes, pump stations, water and wastewater tanks, concrete pipes and other concrete and masonry structures.
-Stops active leaks
-Easy to use