This is bad for several reasons.
Frost forming in attic.
To start frost accumulates when moisture laden air from the house gets into the attic.
That s about it pretty simple.
Why does frost form in the attic.
When the outside temperature rises again the frost thaws water collects and can leak into your house.
2 warm moist air leaking into your attic.
The moisture associated with those hot steamy showers is captured in the cold attic and forms frost once the outside air temperature drops.
To solve the problem.
The colder the temp the more often the ice will form.
The frost forming in his attic is basic building science.
How does the air get there.
The attic is meant to be a cool space in the winter.
Frost begins to compile when moist air travels to a home s attic.
Frost forms in the attic for one reason heat loss.
When warm air from inside the house escapes traveling up through the bypasses the moisture condenses on the roof boards and rafters where the frost can form.
More indoor humidity more frost in the attic.
Frost gets into the attic from air leaks or attic bypasses.
Depending on the temperature and the insolation ie.
Once this occurs it compresses to form frost.
Heat loss is when warm air and the moisture that joins it from the conditioned living space moves into the attic.
Moisture left unchecked will eventually form mold and mildew which can lead to health problems with the occupants of the home.
I ve blogged about attic air.
Frost itself doesn t do any damage but once it melts things get wet and then damage occurs.
During winter conditions attic frost is a problem associated with attic bypasses.
To conclude frost in you attic is a sign of moisture in your attic and unrestricted moisture in the home should not be ignored.
The first step in resolving this type of problem is to install the proper amount of insulation in the attic floor area.
1 stop the humid air from leaking into your attic or.
House pressure affects.
2 raise the temp.
The main root cause of frost forming in the attic is associated with improper or the complete lack of insulation and ventilation in the attic.
Can sun get to the roof you will have either frost or water collecting.
How to prevent frost in the attic frost comes from air leaks.
The more humid a house is the more frost you ll find in the attic.