Bathroom Vent Attic Mold

We explain how to install bathroom exhaust fans or vents the vent ducting.

Bathroom vent attic mold.

If you allow the air from your bathroom exhaust fan to mix with the air in your attic which is usually the same as the outside temperature it can cause condensation wetting the wood allowing for mold growth and over time weakening the structure of your home while causing possible health issues for your family. The most common cause of attic mold by far is blocked or insufficient ventilation of the attic space. The fan s job is to move moist air outside the house before it can condense and permeate into mold prone materials. How to install a bathroom vent fan.

Bath vent fan installation building codes bath vent fan troubleshooting bath vent fan repair. The bathroom vent fan is a major weapon against bathroom mold. Here this old house general contractor tom silva shows the proper way to install a bath vent fan. Mold in air vents.

This exhaust pipe for a bathroom fan is a ticking time bomb of mold mildew and wood rot. Options for venting a bathroom exhaust fan include best to worst. Wondering why you should invest in a bathroom vent fan. Bathroom fan vent code requirements include no venting to attic areas to help reduce mold or structural problems.

Most building codes require that bathrooms be equipped with active ventilation in the form of a ventilation fan. Bathroom exhaust fans perform an important function by removing excess moisture from your home. Moist air from showers and tubs can build up and start a breeding ground for mold and mildew. Common symptoms and health problems caused by black mold may include.

Black mold in your air vents can cause a variety of unpleasant symptoms and health problems. Bathroom ventilation codes require a bathroom exhaust fan to vent to the exterior not the attic for health and structural reasons. 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. In this particular installation tom ran the exhaust duct into the attic and through a sidewall to the outdoors.

The symptoms may vary from person to person and can also depend on the length of exposure and the amount of spores inhaled. Symptoms to watch for. Bathroom ceiling fans are great for keeping a room comfortable and circulating air but they don t extract odors. 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.

But more importantly it will help prevent moisture related problems such as the growth of mold and mildew.