Professional PU injection grouting is an effective solution for sealing cracks and stopping active water leaks in concrete structures. This method involves injecting polyurethane resin into joints and voids, where it expands and forms a watertight seal. PU injection grouting is ideal for basements, retaining walls, tunnels, and foundations. It restores structural integrity and prevent... https://shakuraconstruction.sg/services/pu-injection-grouting/