Attic Fan And Mold

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.

Attic fan and mold.

Since warm air rises if it comes into contact with the cold attic sheathing then condensation occurs. An attic fan works by exchanging the hot air in your attic space for fresh air pulled through the vents. 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. A musty smell in the attic.

Still in a house with central a c there may be leaky ducts in a moldy attic or an air handler with a filter holder that isn t airtight. While building codes do not require any sort of fan in attics to increase ventilation a solar attic fan is a great way to accomplish this without increasing your home energy costs. Require providing some sort of ventilation in attics in order to prevent or reduce damage to roofs caused by moisture laden air being trapped in attics. And occupants who use the attic for storage can disturb mold growth.

Solar attic fan to prevent mold. One of the most common causes of attic mold is a bathroom fan or dryer vent that runs into the attic. This will help to avoid premature damage to the shingles or mold building up in moist hot. If you find black spots in your attic and you are thinking it could be harmful black mold you do not necessarily need to panic.

If you eliminate just one of these elements mold will starve and die. Sure mold can smelllike a lot of things but an attic with mold will always have a pretty musty type odor. 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. Dryer vents plumbing vents kitchen or bathroom fans vented into the attic.

Mold located on ductwork on roof decking trusses or just about anywhere in the attic is simply a problem of excessive moisture. Moisture food and warmth. When an attic is stuffy that indicates you have a ventilation problem which often results in mold problems. Frost buildup on the underside of the roof sheathing in winter.

The most common cause of attic mold by far is blocked or insufficient ventilation of the attic space. If you used the attic fan during the winter to ventilate the roof it may have contributed to the moisture condition responsible for the mold. Building codes throughout the u s. Then spores from attic mold growth can be entrained into the mechanical system.

Attic mold can happen in warm or cold weather. Causes of mold in your attic. Even with proper ventilation your air should not be vented directly into an attic.