Particularly in cold climates when homeowners heat their homes in winter hot air tends to escape through the attic.
Mold in attic.
If you have mold in the attic we recommend consulting with a mold removal specialist because.
What causes attic mold.
Attic mold left unchecked can grow and lead to structural deterioration of attic sheathing and roof structural elements.
You should remedy this by air sealing areas in your attic.
Having one but not the other creates poor air flow allowing moisture to accumulate and mold to take hold.
Blocked or insufficient ventilation.
Ideally your roof will have vents along the ridge as well as along the soffits.
Dryer exhaust vents kitchen exhaust fans and bathroom exhaust fans.
Can lights wall drywall junctions wall framing members ductwork bathroom vents etc.
Wooden beams and plywood may be affected and it can be difficult to remove all traces of mold from wooden surfaces.
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.
By far the most common cause of mold in your attic is improper ventilation.
There s an underlying moisture issue that needs to be resolved because mold requires moisture to grow and spread.
The most common cause of attic mold by far is blocked or insufficient ventilation.
Improper exhausting of bathroom fans or dryer vents.
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.
Mold in your attic is not the biggest concern.
The chief cause of attic mold is poor ventilation.
It is caused by excessive moisture from air movement from humid air in your home to a low humid attic with lower temperatures.