PU Injection Grouting – Fast & Permanent Leak Stoppage in SingaporePU injection grouting is Singapore’s go-to non-hacking solution for active water leaks. This high-pressure technique injects expanding polyurethane resin into cracks, joints, voids, or honeycombed concrete. The resin reacts with water, foams up, and forms a flexible, watertight seal that stops leaks instantly—even unde... https://shakuraconstruction.sg/services/pu-injection-grouting/