While blisters don t always cause roof leaks you may need to reshingle the roof sooner than you expected if widespread blisters make your roof look like it s in bad shape.
Excess humidity in attic.
I have a ridge vent and i installed sofit vents before blowing in the insulation so i am not sure where the humidity is coming from or why it is staying in there.
If you raise the attic temperature the rh in both places would be the same.
So they equalize pretty quickly.
To control this humidity open windows and doors on pleasant.
By adding moisture to the lower floor you increase the partial pressure of the water vapor which pushes it to areas of lower vapor pressure like the attic.
Getting precise humidity in the attic is possible with friedrich 50 pint dehumidifier as it provides you with seamless features to eliminate excess moisture.
If left untreated it can damage critical structural elements of the home such as the trusses and rafters ruin insulation damage any stored belongings and lead to the formation of potentially toxic black mold.
You can prevent these problems from occurring by maintaining a dry attic with a low relative.
Final thoughts on condensation on ductwork at the end of the day there are really only two causes for condensation on ductwork.
Excessive moisture in the attic.
Improperly insulated ductwork and excessive moisture in the air.
Here s what we recommend.
Now moving around the attic is not a problem anymore since this unit has a longer power cord about 6ft and drain hose of about 17ft.
Plan to implement a combination of techniques to reduce excess moisture in the attic.
Learn how to reduce moisture and prevent the problems it causes.
Condensation in the attic is a serious problem that must be addressed by homeowners.
If there is excessive moisture accumulation in your attic it will condense on cold areas mainly on the underside of your roof deck.
This can affect your home s structural integrity.
The difference in the two spaces is the dry bulb temperature.
When you generate moisture inside your home it rises with warm air into the attic where it cools and condenses.
The damage moisture causes.
Weatherstripping around the doors and windows of your home creates an air tight seal to prevent cool or warm air from escaping and excess humidity from seeping inside.
I installed a humidistat and it read 90 humidity.
During the winter months the recommended relative humidity inside a house is anywhere between 30 50 percent.
When attic areas are poorly ventilated excessive heat can cause blisters to form especially on newer roofs.
Poor ventilation in an attic can result in condensation promoting mold growth in the framing elements of the house.
At higher levels relative humidity condensation can even occur inside of the house on windows cold.
You can buy humidity monitors at a local hardware store or online to check moisture levels inside your home.