PU injection grouting offers a cost-effective and efficient solution for repairing leaking cracks in concrete surfaces. The injected polyurethane resin reacts with water, expands rapidly, and forms a strong, watertight seal. PU injection grouting is suitable for horizontal and vertical cracks in slabs, walls, and foundations. It is a non-invasive technique that restores structural str... https://shakuraconstruction.sg/pu-injection-grouting-singapore/