Water leakage through concrete cracks can cause serious structural damage if left untreated. PU injection grouting is a proven method to address these issues by sealing leaks from within the structure. During PU injection grouting, polyurethane resin is injected into affected areas, where it expands and hardens to block water paths. This technique is effective for active leaks and dam... https://shakuraconstruction.sg/services/pu-injection-grouting/