Regularly airing out your attic is a very simple and effective way to prevent the formation of attic moisture.
How to control moisture in attic.
Controlling moisture and humidity in the home indoor moisture and humidity.
Proper ventilation can help circulate the air reduce the heat build up in the attic and keep down humidity levels.
Ventilation plays some role in keeping attics dry but controlling indoor humidity.
The federal housing administration has recommendations for the amount of ventilation you will need based on the size of your home.
Provide sufficient ventilation to reduce excessive water vapor build up within the home ventilate building sections so that excessive water vapor is dissipated to the outdoor air use vapor.
Moisture condenses into water droplets when warm humid air contacts a cool surface.
If the problem is the result of water or moisture penetrating the foundation or floor slab there are many remedial actions which may help.
A moist attic means moist insulation and moist insulation is less effective.
How to prevent attic moisture.
For an attic to be properly ventilated it must also have a balanced system of intake and exhaust vents.
These can include installation of seamless gutters and downspouts.
The first step is to control moisture in the house by ensuring that the dryer and all baths vent to the exterior.
Install an air conditioner in your attic.
Place a fan in your attic.
Air out your attic.
The best solution for controlling moisture is at its source.