PU injection grouting is widely used for repairing water leakage in concrete and masonry structures. The expanding polyurethane material reacts with water to form a flexible, watertight seal. This process ensures deep penetration into cracks and voids, stopping leaks at the source. PU injection grouting is suitable for both residential and commercial properties, offering fast applicat... https://shakuraconstruction.sg/services/pu-injection-grouting/