PU injection grouting is a cost-effective and efficient method for waterproofing leaking concrete structures. By injecting reactive polyurethane resin into cracks and joints, water flow is immediately stopped and sealed. PU injection grouting works well for both minor seepage and severe leakage under pressure. Commonly used in basements, foundations, and underground facilities, this s... https://shakuraconstruction.sg/services/pu-injection-grouting/