Professional ceiling leak repair in flats or independent houses begins by tracing the leak—common culprits are terrace cracks, parapet joint failure, or AC drain overflow. Technicians clean efflorescence, chisel V-grooves in active cracks, inject non-shrink grout or polyurethane sealant for instant stoppage, then prime and apply fiber-reinforced acrylic membrane in multiple layers fro... https://shakuraconstruction.sg/ceiling-leak-repair/