Condensation In Attic In Winter

If it s cold outside and warm air from indoors makes it to the underside of your cold roof this air begins to decrease in temperature and releases it s moisture content along the way.

Condensation in attic in winter.

In an attic like this wintertime ceiling condensation can form when cold air from the attic hits your warm ceiling. The most common cause of ceiling condensation is an attic with too little insulation and ventilation. As warm and moist air comes into contact with the cool underside of the roof condensation occurs. A silent cause of winter roof leaks.

If there are signs of rot on the roof sheathing then there has been prolonged moisture in the attic. The conditions that cause ice dams often cause attic condensation too. When that warm moist air meets the chilly underside of your roof s deck condensation occurs. Attic condensation most commonly occurs when warm moist air from other areas in the home rises into the attic space.

The first signs of a condensation problem in your attic might show up during a re shingle on your roof. Looking for signs of moisture. In the winter attic condensation often turns into frost which actually doesn t pose any threat. If you have a roof leak in the winter months and it s not being caused by ice dam there may be another culprit.

This isn t usually a problem. Warm air simply holds more water vapor than cold air. In the winter the condensation will form frost and in the summer this condensation can grow mold. Condensation in attic in winter.