PU injection grouting excels as a fast-acting solution for stopping persistent water seepage in Singapore homes and buildings. The process: Inspect leaks, drill access holes, install injection packers, then pump liquid polyurethane resin under pressure. Upon water contact, it expands rapidly to seal even active, wet cracks in concrete, expansion joints, or behind walls—creating an ela... https://shakuraconstruction.sg/services/pu-injection-grouting/