Moisture In Attic In Summer

The concern in summer is heat.

Moisture in attic in summer.

Air leaks in the lower part of the house in the basement for example allow outside air with low humidity to get into the house. You want to avoid ice buildup or condensation that could lead to structural problems in your attic. Attic moisture is caused by hot temperatures and high humidity prime causes of mold in your attic. Extra heat build up under the roof deck can cause your shingles to deteriorate much faster sometimes cutting their life expectancy in half.

These sources are generally not a huge contributor to excessive moisture in the house or attic unless the amount of moisture is unusually high the house is extremely tight or proper venting is not used. Attic insulation and ventilation go hand in hand. Well the same principles apply here except that your roof may be the side that is warmer in the summer. It s important to keep an eye on attic moisture and temperature if you believe you have a potential problem with mold.

Step 1 check for excessive heat. The main goal is to keep your attic temperature the same as the outside air temperature in the summer as well as in winter. Lower attic air relative humidity due to sensible heat gain by solar higher air relative humidity at the surface of wood framing materials resulting in moisture being desorbed by the attic. Advani is adding moisture to the air with a humidifier and that hot air rises finding ways of getting into the attic sullivan says.

In an attic like this wintertime ceiling condensation can form when cold air from the attic hits your warm ceiling. As a general rule the lower the outdoor temperature the lower the recommended humidity setting. In summer when the air conditioning is on the reverse happens. Attic air dew point temperature elevated above outdoors.

They keep your home cooler in the summer warmer in the winter and free from damage caused by moisture. The most common cause of ceiling condensation is an attic with too little insulation and ventilation. This is ok unless again you have breeches into your living quarters that allow your air cooled by your air conditioner to come into your attic. Heat from the sun radiates from your roof and vents allow warm moist air to enter your attic.

Even the average person produces about 3 pints of water a day while breathing.