Reduce Moisture In Attic

Sealing these can greatly reduce the moisture drivers.

Reduce moisture in attic.

Regularly airing out your attic is a very simple and effective way to prevent the formation of attic moisture. Simply by sealing the various possible paths of air leakage already discussed infiltration will be reduced therefore restricting the movement of air and eliminating the stack effect. The difference in the two spaces is the dry bulb temperature. If you live in a warmer climate you may want to air out your attic twice a week.

Proper precaution in an uninsulated attic such as the department of energy s recommended r30 to r49 insulation for warm climates r30 to r60 for moderate climates and r49 to r60 for cold climates. The federal housing administration has recommendations for the amount of ventilation you will need based on the size of your home. During winter months humidity from this escaping air can condense on cold attic surfaces leading to mold. So the first step is to seal the air leaks.

You want to use a ridge vent that goes down the peak of the roof. High humidity in an attic is usually caused by air leaks in the ceiling of the top floor of your house. This can reduce moisture as well as the temperature in the attic which can make it far more difficult for mold and mildew to gain a foothold in the space. If you raise the attic temperature the rh in both places would be the same.

Right now we just have eave vents and gable vents. Well you ve got to manage your moisture as you re well aware and the best way to do that in an attic is with a combination of roof vents. Look for can lights gaps around boots into the space holes in walls between the attic and crawl space and the living space etc. Check seals sweeps weather stripping around doors and windows make an assessment if the equipment may be significantly oversized.

Here is a link to an article that describes the work. So they equalize pretty quickly. If your attic features a window open it as well. Proper ventilation can help circulate the air reduce the heat build up in the attic and keep down humidity levels.

Ventilating this space can also reduce heat that radiates up through the roof and down into the living areas of the home. Do you have a ridge vent right now. Air sealing an attic. After moisture penetration is controlled as best as possible the next approach to reducing attic moisture is by controlling air infiltration.

These conditions prevent warm damp air from migrating to the attic in the first place. Open windows and use ceiling fans to keep the air circulating in your home and avoid stuffiness.