How to paint a moldy bathroom ceiling
Ethan Hayes 
Make Sure It’s Not A Ghost
The “mold” that you see on your ceiling could be soot, smoke, or even dark dust. These black streaks (referred to as ghosting) appear like mold. The reason is that the roof frames are more cold than other ceiling’s boards. When you cook, smoke, or even burn logs on the hearth of your bathroom soot and smoke particles adhere to the roof frames. Ghosting can be difficult to get rid of You could end in painting over the dark areas.
Verify Leaks Vs Nails
If you notice a brownish yellowish spot on your bathroom’s ceiling and you think it’s due to leaky ceiling. But it’s not. If the bathroom roof is covered with rivets or nails the metal bits promote condensation. This is since metal is a great heat conductor. However, if the condensed liquid regularly drips on the same area on the ceiling of your bathroom it could be a sign of it’s a leak.Visual examination can be the sole way to know for sure. The roof plumber must inspect the ceiling to determine that it’s not a leaky pipe or just a dripping metal fastener. The former is much easier to determine since you could repair the leak as well as insulate it a way to minimize the risk of damage. Make use of a moisture meter or a test of a finger to determine if the entire ceiling is wet or just the nails.
Use A Mold Spray
The ceiling mold caused by humidity in the bathroom is much easier to handle. It’s usually at the edges, and can cover only a tiny area. If the mold was brought on through a leak, the damage will likely be across each side of the ceiling. There’s likely to be more undetected damage to the upper part of your ceiling. You might have to remove and replace all of your ceiling panels.
Insulate The Ceiling
The buildup of mold on the ceiling of your bathroom is typically caused by fluctuations in temperature. The areas that are cooler on the ceiling can cause condensation, specifically ceiling beams, metal fasteners as well as crown molding as well as edge trim. By adding insulation layers, it will make the ceiling’s surface warmer. This decreases the area available for condensation. This decreases the likelihood of mold forming.
