PU injection grouting is an effective method for stopping water leaks and strengthening structures from within. The process involves injecting expanding polyurethane resin into cracks, joints, and voids, where it reacts with moisture and forms a durable seal. PU injection grouting is widely used in basements, tunnels, and retaining walls to prevent water infiltration and extend struct... https://shakuraconstruction.sg/services/pu-injection-grouting/