PU injection grouting is an effective waterproofing solution used to stop active water leaks in concrete structures. This method involves injecting polyurethane resin into cracks, joints, and voids, where it expands and forms a strong, flexible seal. PU injection grouting is ideal for basements, retaining walls, tunnels, and roofs. It provides immediate leak control, long-lasting wate... https://shakuraconstruction.sg/services/pu-injection-grouting/