Stop stubborn leaks without the mess of hacking. Our PU injection grouting service is the gold standard for fixing ceiling leaks in HDB flats and condos. This "no-hacking" method involves injecting specialized polyurethane resin into cracks, where it expands upon contact with moisture to create a complete, watertight seal. It is fast, clean, and highly effective for resolving issues b... https://shakuraconstruction.sg/services/pu-injection-grouting/