A minor ceiling water leak may dry up on its own, requiring minimal repairs. However, for larger leaks or leaks that persist, it is often necessary to replace the affected ceiling drywall. Failure to do so could result in further damage and potentially pose a health hazard.
The determination of whether or not to replace ceiling drywall after a leak depends on the extent of the damage. In some cases, the drywall may simply need to be dried out and treated with an appropriate sealant. In other cases, the drywall may be too severely damaged to salvage and needs to be replaced.
If the ceiling drywall is visibly sagging, bulging, or discolored, it likely requires replacement. Additionally, any drywall that has come into contact with mold or mildew should be promptly removed and replaced.
It is always advisable to consult with a professional in the event of ceiling water damage. They can assess the extent of the damage, determine if the drywall needs to be replaced, and recommend appropriate repair solutions.