High-performance PU injection grouting is designed to control severe water seepage and pressure leaks. During PU injection grouting, liquid polyurethane is injected under pressure, allowing it to expand and seal cracks permanently. This method is commonly applied in basements, lift pits, roofs, and water-retaining structures. PU injection grouting provides flexible, durable sealing th... https://shakuraconstruction.sg/services/pu-injection-grouting/