A successful ceiling leak repair isn't finished until the health hazards are removed. Standing water in ceiling voids creates a perfect breeding ground for toxic mold. After the leak is plugged, the area must be treated with anti-microbial cleaners and thoroughly dried. The final stage involves replacing water-damaged gypsum boards or plaster, followed by a coat of high-quality sealer... https://shakuraconstruction.sg/services/supply-install-dry-wall-partition-ceiling/