When it comes to structural integrity, PU injection grouting is the gold standard for sealing cracks in concrete slabs and retaining walls. Using high-pressure pumps, the polyurethane resin is forced deep into the substrate, ensuring that even microscopic fissures are fully sealed. Unlike surface patches, this method addresses the leak at its source—inside the wall. It’s highly effect... https://shakuraconstruction.sg/services/pu-injection-grouting/