Attic Fan Mold

If you eliminate just one of these elements mold will starve and die.

Attic fan mold.

Dark black staining on wood surfaces in the attic. The most common cause of attic mold by far is blocked or insufficient ventilation of the attic space. Mold needs 3 things to grow. In fact it often times take only 12 hours for certain types of insulation to start growing mold.

This can be easily addressed by increasing your ventilation via your bathroom fans. 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. Attics usually have a passive ventilation system in which outside air comes in through the soffit eave vents at the bottom warms up in the attic and escapes through the can or ridge vents at the top because hot air rises. Dryer vents plumbing vents kitchen or bathroom fans vented into the attic.

Causes of mold in your attic. No air sealing an attic will reduce the likelihood of moisture entering the attic. Related to 3 above this practice can pump warm moist air into the attic where it can be trapped and begin the cycle of mold growth. Attic mold loves wet insulation.

This is why mold resistant insulationis so important in an attic. Mold located on ductwork on roof decking trusses or just about anywhere in the attic is simply a problem of excessive moisture. 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. Mold will survive in almost any environment that is the right temperature has moisture even in the air and has something for food e g.

Moisture food and warmth.