Mold In Attic From Bathroom Fan

In many cases moisture from bathroom fans is the primary source of attic mold infestation.

Mold in attic from bathroom fan. The bathroom vent fan is a major weapon against bathroom mold. The fan s job is to move moist air outside the house before it can condense and permeate into mold prone materials. Above all else a bathroom ventilation fan should be connected to a duct capable of venting water vapor and odors into the outdoors. Mold growth within the bathroom or attic is a clear indication of improper ventilation that must be corrected in order to avoid structural decay and respiratory health issues.

When venting a bathroom exhaust fan make sure to vent the air to the outside rather than into your attic where it can cause mold and mildew to form. Moisture food and warmth. It is important to have a balanced ventilation system using equal amounts incoming and outgoing air. For bath fans it is important to insulate around the vent pipe exiting the fan to prevent moisture from condensing inside the pipe.

Dryer vents plumbing vents kitchen or bathroom fans vented into the attic. Mold needs 3 things to grow. If you eliminate just one of these elements mold will starve and die. Bathroom fan vent code requirements include no venting to attic areas to help reduce mold or structural problems.

Bathroom ventilation codes require a bathroom exhaust fan to vent to the exterior not the attic for health and structural reasons. Bathroom exhaust fans perform an important function by removing excess moisture from your home.