Effective PU injection grouting helps eliminate persistent water leakage and protects concrete surfaces from further damage. The injected polyurethane resin bonds firmly with concrete, forming a seamless waterproof seal. Suitable for both emergency leak repairs and preventive waterproofing, PU injection grouting reduces maintenance costs and extends the lifespan of buildings and struc... https://shakuraconstruction.sg/services/pu-injection-grouting/