Roof Sweating In Attic

Roof condensation has a very specific cause.

Roof sweating in attic.

Your walls ceilings floors and your attic roof. During the winter months the recommended relative humidity inside a house is anywhere between 30 50 percent. How to stop metal roof sweating condensation dripping very easily cheaply and completely as a do it yourself diy project. This could be a sign that your excessive indoor humidity is causing damage elsewhere in places you cannot see such as.

Moisture occurs when heated air inside the home rises up to the roof where it meets the colder temperatures of outside air. This occurs when the temperature of the sheathing drops below the dew point creating a thin layer of moisture on the substrate. Excessive indoor humidity can cause blistering and peeling paint warping and rotting wood as well as the formation of mildew mold. Water found in these places is commonly caused by condensation in the attic.

Mold growth on attic roof sheathing is a common issue in cool climates such as the pacific northwest. Finding water damage on the wall or ceiling is worrying for any homeowner. It s no surprise that this tends to occur more in colder months when home heating is more common and intense. In the vast majority of cases the mold growth is caused by condensation.

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