But if after it dries the drywall feels loose or spongy to the touch it should be removed and patched in with a replacement piece of drywall.
Ceiling no attic without drywall mold.
Improper ventilation and insulation of home attic space can produce.
The 3rd potential cause is ghosting which is not actually mold though it can look very similar.
It s important to do a thorough inspection of the nearby area to determine if mold is present.
Mold can grow anywhere that there was water damage meaning in your drywall insulation and even in your floorboards and ceiling beams.
When you have a ceiling water leak there is always the chance that the ceiling may fall due to the weight of the water and the loss of structural integrity in the ceiling material.
How to fix ceiling condensation.
The attic floor which is the ceiling of the living space below often already is insulated.
How to avoid condensation leaks attic mold insulation mold structural damage to roof framing when roof venting is not possible cathedral roof and knee wall insulation venting air path options in older homes hot roof designs.
Suggestions for un vented or hard to vent building roof cavities.
Warm air escaping from a duct into a cold attic can create condensation and encourage mold growth.
Excess humidity can also cause mold growth on the ceiling even in a well insulated attic space.
Closing in the ceiling too quickly may trap moisture that can foster the growth of mold and mildew.
If you can use a wide spackling knife and scrape the paint and if no mold shows at the lower layer then you do not need to replace just clean off the mold.
Applying mastic gum to the duct joints and adding an r6 layer of insulation around your sheet metal ducts goes a long way toward protecting your attic and ceiling.
Take care of your attic hvac air ducts too.
However if you find no end to the mold it is likely feeding on the drywall and the drywall needs to be removed completely.
Water soaked drywall often will dry out fine if it gets proper ventilation.
If it is and you plan to provide heating and cooling to the finished attic space you need to remove.
Next take a look at your attic.
It depends on how deep the mold has grown.
Under the right conditions mold can begin to grow in as little as 24 hours.
That dark spot on your ceiling may be the result of more than just a ceiling water leak.