Leak Repair Solutions By Polyurethane Grouts

For leak repairs, polyurethane can also be used to stop leaks and fill voids without excavation. Low viscosity injection resins are long-lasting solutions to leaks in manholes, utility vaults, meter boxes, tunnels, storage tanks, clarifiers, aeration basins, lift stations, pump stations, catch basins, elevator pits, below-grade walls, equipment pits, lateral connections, mainlines, dams, channels, flumes, swimming pools, concrete basements, and many other areas requiring waterproofing.

The two types of leak repair resins we offer consist of hydrophilic and hydrophobic products. Hydrophilic grouts readily mix with water and seek out water to get an excellent "bite" into the pores of wet concrete. This is important when trying to seal a crack in a wet environment. Hydrophilic grouts are used to stop leaks through cracks and joints in underground structures. When cracks or joints open and close with temperature changes, a tight water seal and bond is maintained due to the flexibility of the hydrophilic grout. Hydrophobic grouts are typically used to fill voids and stabilize soils due to their low viscosity, high expansion rate, and ability to set up under wet conditions without diluting. When injected into wet loose soils, it repels water by expanding and filling voids, densifying the surrounding soils in the process. Hydrophobic material is virtually unaffected by fluctuation in the moisture content and retains its strength, size, and impermeability under almost all soil conditions. Contact us to discuss any of your specific needs.