Cigarette smoke can cause staining via the same principle as ghosting.
Mold yellow spots on ceiling.
Replacing the actual drywall on your ceiling may be necessary when the drywall is riddled with mold or unstable due to prolonged water exposure.
I think everybody knows what mold looks like.
In this case it was due to areas of missing insulation in the attic.
Remove any mold with a clean rag or sponge and throw it away.
Most people are accustomed to seeing black and gray mold and maybe green or blue but people may not realize that mold comes in all colors.
If you ve found yellow mold in your home you may be a bit surprised.
Several types of mold can appear yellow in color including.
Types of mold that are yellow.
If it doesn t it s likely dirt or a similar looking stain.
This has got to be the most disgusting type of ceiling stain if you ask me.
Aspergillus some forms of aspergillus appear yellow.
The soot attaches to cold spots on the ceiling.
After all yellow is a rather unusual color for mold.
Mold can be found in many colors including black white brown green and yellow.
Typically your only recourse is to repaint.
If your ceiling is moldy you may have a water leak in it or behind the walls.
Yellow mold in the home.
Cleaning soot from ghosting is extremely hard.
Mold is pretty easy to spot on your ceiling and there are a few causes of mold growth on your ceiling.
It can also be found under leaky sinks around leaky window frames and in attics or on ceilings when roofs leak.
Technically it s not a stain but rather a growth.
Painting over a yellow stain is a temporary fix at best.
Ceiling mold growth is typically black.