Polyurethane Grout Injection

Beijing Langwei provides professional polyurethane grout injection for below grade substrates against water infiltration.Our installations provide hydrophobic and hydrophilic polyurethane grout injection products. Our polyurethane grout injection installations are commonly used for stopping water infiltration and sealing joints in: defective concrete, concrete joints, limestone, brick, pipe intrusions, waste water tanks, drinking water reservoirs, reservoirs, sewers, manholes, tunnels, and dams.