Professional PU injection grouting is widely used to repair cracks and eliminate water ingress in buildings. When injected under pressure, polyurethane material reacts with water and expands, effectively sealing leak paths. PU injection grouting is suitable for concrete slabs, walls, lift pits, and wet areas. This non-invasive solution minimizes disruption while delivering reliable wa... https://shakuraconstruction.sg/services/pu-injection-grouting/