Condensation In Attic In Winter

If there is excessive moisture accumulation in your attic it will condense on cold areas mainly on the underside of your roof deck.

Condensation in attic in winter.

This is not just a little condensation on the vents. Looking for signs of moisture. In the winter attic condensation often turns into frost which actually doesn t pose any threat. As warm and moist air comes into contact with the cool underside of the roof condensation occurs.

When that warm moist air meets the chilly underside of your roof s deck condensation occurs. Condensation in attic in winter. Warm air simply holds more water vapor than cold air. If there are signs of rot on the roof sheathing then there has been prolonged moisture in the attic.

The ducts will actually fill with gallons of water. Warm and humid attic air combined with cold outside temperatures leads to condensation which can form on any cold wood surfaces metal nail heads chimney surfaces ventilation pipes and even in the insulation. The first signs of a condensation problem in your attic might show up during a re shingle on your roof. Attic condensation generally happens during winter spring months when warm moist air from the main living area rises into the attic space.

What causes water condensation. Our main concern in the winter is moisture. If you have a roof leak in the winter months and it s not being caused by ice dam there may be another culprit. The most common cause of ceiling condensation is an attic with too little insulation and ventilation.

During the winter attic condensation can turn into frost. In the winter the condensation will form frost and in the summer this condensation can grow mold. During extremely cold weather frost can accumulate in your attic. You may pay an ice dam removal company to melt the ice dam off your roof only for the leaking to continue.

Attic condensation most commonly occurs when warm moist air from other areas in the home rises into the attic space. 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. The conditions that cause ice dams often cause attic condensation too. So my roof isn t leaking.

During the winter months the recommended relative humidity inside a house is anywhere between 30 50 percent. This isn t usually a problem. The ducts are all now insulated to code replaced some to bring up to code and the metal registers in attic are all low e wrapped and spray foamed. Heating your home produces warm air that rises and if it seeps into the attic space the frost will melt and appear as condensation.