It is caused by excessive moisture from air movement from humid air in your home to a low humid attic with lower temperatures.
Mold in attic space.
This occurs efficiently in attics with proper ventilation but attic mold can occur if the hot air meets the cold surface of the attic roof and creates condensation.
The chief cause of attic mold is poor ventilation.
Wooden beams and plywood may be affected and it can be difficult to remove all traces of mold from wooden surfaces.
Can lights wall drywall junctions wall framing members ductwork bathroom vents etc.
Particularly in cold climates when homeowners heat their homes in winter hot air tends to escape through the attic.
What causes attic mold.
Heating ventilation and air conditioning ducts may also.
Dryer exhaust vents kitchen exhaust fans and bathroom exhaust fans.
Mold in your attic is not the biggest concern.
If you have mold in the attic we recommend consulting with a mold removal specialist because.
The most common cause of attic mold by far is blocked or insufficient ventilation.
Improper exhausting of bathroom fans or dryer vents.
High humidity in a space like an attic can lead to mold and a spill in a carpeted area of your home that isn t quickly taken care of can also lead to mold under the carpet.
You should remedy this by air sealing areas in your attic.
Insulation is often affected.
There s an underlying moisture issue that needs to be resolved because mold requires moisture to grow and spread.