Parson Hydro Grout is a tough, low-viscosity, hydrophobic polyurethane grout, which when mixed with predetermined amounts of Parson Grout Accelerator, has reaction times from 30 seconds to 3 minutes. Parson Hydro Grout can be used to stop medium to high volume active leaks through cracks in manholes, pump stations, water and wastewater tanks, concrete pipes and other concrete and masonry structures.
-Cures to a closed-cell foam
-Fills voids and holes
-Low viscosity allows good penetration into small cracks