PU injection grouting is an effective waterproofing method used to stop active water leaks in concrete structures. This technique involves injecting polyurethane resin into cracks, joints, and voids where water seepage occurs. When applied, the PU material expands and forms a flexible, watertight seal. PU injection grouting is commonly used for basements, tunnels, roofs, and walls, pr... https://shakuraconstruction.sg/services/pu-injection-grouting/