I recommend replacing the fan with a constant flow unit such as the panasonic whispergreen fan.
What causes mold spots on bathroom ceiling.
In addition to being unsightly bathroom ceiling mold can cause permanent damage to your home and is a health hazard for you and your family.
The lack of light in the bathroom would not directly cause the mold growth.
Mold on the ceiling is caused by moisture that has no where to go.
Black mold or stachybotrys to give the mold its scientific name emits toxins known as mycotoxins that can cause skin and airway irritation.
I suggest you call an exterminator.
Here is a link.
Left untreated the mold stain may grow and become darker over time.
How to safely clean mold off of a ceiling.
The second cause of ceiling discoloration may be related to moisture but is not directly caused by it.
If the moisture remains too long mold spores begin to grow.
Mold in the bathroom ceiling is caused by a wide range of factors.
What causes mold in bathroom ceiling.
The most common causes are.
The main cause of mold on a bathroom ceiling is a broken or ineffective exhaust fan.
A humid environment supports mold growth.
When a portion of the ceiling stays damp for an extended period of time a yellowish brown mold stain can form overhead.
Steam from hot showers and bathtubs rises to the ceiling and without proper ventilation it can settle there.
Once mold shows up on your ceiling it isn t long before a small patch evolves into a thriving colony.
It can be caused by the warm temperature of the room the humidity from baths and showers low levels of natural light and poor air circulation.
Having mold in your bathroom can have a huge effect on the health of your household especially if you live with a small child or elderly person.
What causes black mold in bathroom ceiling.
Mold may not seem very threatening but the danger.
The shape precisely provides the ideal ground for dingy fungus to develop.
Brownish spots on the ceiling can be fluids gross i know from the bugs.
If that s outside of your budget you can install a timer switch on the.
What causes black mold on a bathroom ceiling.
If your bathroom has a high level of humidity for a couple of days mold may start growing in different parts of the bathroom including the ceiling.
If this list scares you you re not alone.