PU injection grouting is designed to stop water intrusion by injecting expanding polyurethane into cracks in concrete. This method ensures complete sealing, even in hairline cracks or hidden voids. PU injection grouting is commonly used in basements, tunnels, beams, and water-retaining structures. Its high durability, chemical resistance, and waterproofing strength make PU injection g... https://shakuraconstruction.sg/services/pu-injection-grouting/