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.
Frost build up in my attic.
Frost and ice forms in attics when warm humid air accumulates and condenses on the underside of your roof sheathing.
During winter conditions attic frost is a problem associated with attic bypasses.
To start frost shows up in the attic when moisture laden air from the house gets into the attic.
Once you have sealed all of your leaks go ahead and add insulation or any other covering.
Moist air will then flourish in the attic causing frost to form.
Inspect your attic for leaks.
That s about it pretty simple.
Can sun get to the roof you will have either frost or water collecting.
When the moisture gets into the attic it condenses on the roof.
Installing an exhaust fan in your bathroom and kitchen will help eliminate moisture buildup while you shower or run the oven.
Inspect the entire attic area for leaks.
Depending on the temperature and the insolation ie.
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.
Don t wait around for the frost to melt in your attic.
Another important step in preventing the build up of frost within the attic is to check for any heat leaks from the living space underneath.