Bathroom Vent Attic Mold

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

Bathroom vent attic mold.

Bathroom exhaust fans perform an important function by removing excess moisture from your home. Common symptoms and health problems caused by black mold may include. The fan s job is to move moist air outside the house before it can condense and permeate into mold prone materials. The bathroom vent fan is a major weapon against bathroom mold.

In this particular installation tom ran the exhaust duct into the attic and through a sidewall to the outdoors. 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. Options for venting a bathroom exhaust fan include best to worst. Here this old house general contractor tom silva shows the proper way to install a bath vent fan.

Wondering why you should invest in a bathroom vent fan. Moist air from showers and tubs can build up and start a breeding ground for mold and mildew. Black mold in your air vents can cause a variety of unpleasant symptoms and health problems. This exhaust pipe for a bathroom fan is a ticking time bomb of mold mildew and wood rot.

Wood rot is an absolute certainty over time should you dump bath exhaust into an attic. The most common cause of attic mold by far is blocked or insufficient ventilation of the attic space. 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. Most building codes require that bathrooms be equipped with active ventilation in the form of a ventilation fan.

But more importantly it will help prevent moisture related problems such as the growth of mold and mildew. This article series explains why bathroom vent fans are needed and describes good bath vent fan choices necessary fan capacity and good bath vent fan and vent duct installation details. Bathroom ceiling fans are great for keeping a room comfortable and circulating air but they don t extract odors. Symptoms to watch for.

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. Bath vent fan installation building codes bath vent fan troubleshooting bath vent fan repair. 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.

The symptoms may vary from person to person and can also depend on the length of exposure and the amount of spores inhaled.