PU injection grouting is an effective waterproofing method used to stop active water leaks and seal cracks in concrete structures. This technique involves injecting polyurethane resin into leaking areas, where it expands and forms a flexible, watertight seal. PU injection grouting is ideal for basements, walls, roofs, and slabs, providing long-lasting protection against water seepage ... https://shakuraconstruction.sg/services/pu-injection-grouting/