PU injection grouting is an effective waterproofing method used to seal cracks, joints, and voids in concrete structures. This technique involves injecting polyurethane resin that expands upon contact with water, forming a strong and flexible seal. PU injection grouting is ideal for stopping active water leaks in basements, tunnels, and roofs. It provides long-lasting protection, prev... https://shakuraconstruction.sg/services/pu-injection-grouting/