For commercial and industrial facilities, PU injection grouting is the most reliable way to manage groundwater ingress. We specialize in sealing leaks in car parks, lift pits, and underground substructures where traditional waterproofing fails. Our polyurethane resins are chemical-resistant and designed for long-term submerged conditions. By stopping water at the source, we protect se... https://shakuraconstruction.sg/services/pu-injection-grouting/