For large-scale infrastructure, PU injection grouting is the most efficient way to manage water ingress. We provide specialized services for tunnels, lift pits, and underground car parks where traditional waterproofing is impossible to apply. Our polyurethane resins are chemically resistant and designed to withstand high hydrostatic pressure. We use specialized pumps to ensure uniform... https://shakuraconstruction.sg/services/pu-injection-grouting/