PU Injection Grouting is widely used in construction maintenance to seal leaking cracks and joints in concrete structures. During the process, polyurethane resin is injected under pressure into the affected areas where it expands and forms a waterproof barrier. PU Injection Grouting works effectively even in areas with active water flow, making it ideal for basements, tunnels, lift pi... https://shakuraconstruction.sg/pu-injection-grouting-singapore/