When dealing with stubborn water seepage, pu injection grouting provides a fast and durable repair solution. The process seals cracks from within by injecting expanding polyurethane material under pressure. Once cured, it forms a flexible and watertight barrier that withstands structural movement. PU injection grouting is commonly used in residential, commercial, and industrial buildi... https://shakuraconstruction.sg/pu-injection-grouting-singapore/