Inspect your attic for leaks.
Frost build up in my attic.
The most efficient and longest lasting way to prevent air leaks is to have them sealed.
Even with adequate attic ventilation any escaping heat from the living space below will have moisture in it which can easily freeze during very cold days.
Don t wait around for the frost to melt in your attic.
Depending on the temperature and the insolation ie.
To start frost shows up in the attic when moisture laden air from the house gets into the attic.
When the outside temperature rises again the frost thaws water collects and can leak into your house.
Once you have sealed all of your leaks go ahead and add insulation or any other covering.
Inspect the entire attic area for leaks.
Can sun get to the roof you will have either frost or water collecting.
During winter conditions attic frost is a problem associated with attic bypasses.
Frost and ice forms in attics when warm humid air accumulates and condenses on the underside of your roof sheathing.
That s about it pretty simple.
It can cause serious.
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.
When the moisture gets into the attic it condenses on the roof.