There are two different ways of doing this.
How to avoid condensation in attic.
This ventilation process helps lower the attic air temperature and reduce humidity levels thus reducing the possibility of ceiling condensation.
Nail 1 furring along every rafter side against the roof deck.
Condensation usually forms on the wooden beams and walls in your attic.
Two of the most common causes of attic condensation are high levels of humidity within the living spaces beneath the attic and moisture seeping in through the roof.
How can you stop condensation in the attic.
Warm air escaping from a duct into a cold attic can create condensation and encourage mold growth.
The first signs of damage will appear in these areas there are plenty of things you can do to minimize attic condensation from occurring.
Fixing poor ventilation installing extraction using a dehumidifier insulation stopping moisture from other areas of the house reaching the attic fixing any defects that could be letting moisture in.
For those who are having a problem with attic condensation it is important to first check the roof to make sure that it is sound and that it is not allowing.
During the winter months the recommended relative humidity inside a house is anywhere between 30 50 percent.
Regularly airing out your attic is a very simple and effective way to prevent the formation of attic moisture.
The most obvious ways to deal with condensation in your attic are.
If your attic features a window open it as well.
If there is excessive moisture accumulation in your attic it will condense on cold areas mainly on the underside of your roof deck.
In order to avoid attic condensation it is important to make sure that the attic receives proper ventilation and that it is properly protected from the outside elements.
Cut and insert 1 or thicker high r foam insulation sheets r 8 per inch against the furring giving a 1 or greater air path between the insulation and the roof deck under the cathedral ceiling.
Once a week open your attic door and leave it open for several hours.
Applying mastic gum to the duct joints and adding an r6 layer of insulation around your sheet metal ducts goes a long way toward protecting your attic and ceiling.
Good insulation is a must because it minimizes the amount of warm air entering the attic to begin with.
If you live in a warmer climate you may want to air out your attic twice a week.