Heating ventilation and air conditioning ducts may also.
Mold in attic.
Can lights wall drywall junctions wall framing members ductwork bathroom vents etc.
Improper exhausting of bathroom fans or dryer vents.
Insulation is often affected.
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.
There s an underlying moisture issue that needs to be resolved because mold requires moisture to grow and spread.
By far the most common cause of mold in your attic is improper ventilation.
Wooden beams and plywood may be affected and it can be difficult to remove all traces of mold from wooden surfaces.
Dryer exhaust vents kitchen exhaust fans and bathroom exhaust fans.
If you have mold in the attic we recommend consulting with a mold removal specialist because.
Attic mold left unchecked can grow and lead to structural deterioration of attic sheathing and roof structural elements.
It is caused by excessive moisture from air movement from humid air in your home to a low humid attic with lower temperatures.
Blocked or insufficient ventilation.
Mold in your attic is not the biggest concern.
You should remedy this by air sealing areas in your attic.
The chief cause of attic mold is poor ventilation.
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.
What causes attic mold.
Having one but not the other creates poor air flow allowing moisture to accumulate and mold to take hold.
Causes of mold while damp and warm climates are a prime breeding ground for our fuzzy friend other conditions that bring mold include lack of ventilation and proper sheathing.