PU injection grouting offers a smart, modern fix for water ingress in Singapore's tropical environment, targeting cracks in concrete slabs, joints, floors, walls, and ceilings without invasive hacking. The method uses expanding polyurethane grout injected under pressure to penetrate deep, react with water, and form a permanent, elastic waterproof plug—ideal for ongoing leaks in high-r... https://shakuraconstruction.sg/services/pu-injection-grouting/