Check for negative pressure.
Removing humidity from attic.
How to manage humidity in your spray foamed attic 1.
Seal off the area by taping down plastic sheeting in all the exposed areas of the attic.
However you need to have a specific dehumidifier for the job.
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.
Once a week open your attic door and leave it open for several hours.
As with pretty much all home improvement projects your contractor might.
When removing mold from your attic your first concern should be protecting the rest of your home from it.
Throw away any insulation or other materials that are wet or show signs of mildew but be sure to replace them immediately.
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If you live in a warmer climate you may want to air out your attic twice a week.
Regularly airing out your attic is a very simple and effective way to prevent the formation of attic moisture.
It works like a refrigerator drawing moisture filled air into a cold refrigerated coil.
A dehumidifier is an effective and inexpensive tool for controlling humidity levels inside a home or building.
The damp air then condenses into water droplets which are collected in a water tank.
The federal housing administration has recommendations for the amount of ventilation you will need based on the size of your home.
Attics can get hot and humid during the summer especially when the outside air leaks in.
If mechanical systems in your home create a negative pressure environment you could.
For an attic to be properly ventilated it must also have a balanced system of intake and exhaust vents.
After moisture penetration is controlled as best as possible the next approach to reducing attic moisture is by controlling air infiltration.
Open the windows at the first sign of moisture and use fans to help speed drying.
Make sure your attic is properly sealed.
This sheeting will create a barrier that keeps mold spores from getting out of your work area and into other parts of your home.
A dehumidifier can also help remove moisture from the attic fairly quickly.