What causes attic mold.
Mold in attic space.
The chief cause of attic mold is poor ventilation.
The most common cause of attic mold by far is blocked or insufficient ventilation.
Mold in your attic is not the biggest concern.
Wooden beams and plywood may be affected and it can be difficult to remove all traces of mold from wooden surfaces.
It is caused by excessive moisture from air movement from humid air in your home to a low humid attic with lower temperatures.
You should remedy this by air sealing areas in your attic.
Dryer exhaust vents kitchen exhaust fans and bathroom exhaust fans.
Attic mold left unchecked can grow and lead to structural deterioration of attic sheathing and roof structural elements.
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.
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.
Particularly in cold climates when homeowners heat their homes in winter hot air tends to escape through the attic.
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.
Heating ventilation and air conditioning ducts may also.
Insulation is often affected.
Blocked or insufficient ventilation.
There s an underlying moisture issue that needs to be resolved because mold requires moisture to grow and spread.