PU injection grouting provides a seamless, mess-free repair for water seepage in buildings, using expanding polyurethane to fill and seal voids from the negative side. Commonly applied to leaking ceilings, walls, expansion joints, or floor slabs, the technique injects resin that reacts quickly to form a strong, elastic barrier impermeable to water. Key advantages include no extensive ... https://shakuraconstruction.sg/services/pu-injection-grouting/