It s important to realize frost is in your attic for a few reasons.
Frost in my attic.
That s about it pretty simple.
Had the ducts repaired and auditor coming back to perform duct blast test.
To start frost accumulates when moisture laden air from the house gets into the attic.
Found leaky ducts allowing warm air to escape into the attic causing the condensation.
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.
It should to a degree.
Frost gets into the attic from air leaks or attic bypasses.
When the outside temperature rises again the frost thaws water collects and can leak into.
When the weather warms up the frost will become water droplets and evaporate harmlessly.
During winter conditions attic frost is a problem associated with attic bypasses.
Frost on nails in attic spaces may frighten you.
A patch of frost here and there on the tips of roofing nails poking through the sheathing for instance probably isn t a cause for alarm.
In order to eliminate frost build up in the attic space we have to understand what causes it in the first place.
I ve blogged about attic air leaks many times and i ve shared photos of attic air leaks.
Frost gets into the attic from air leaks or attic bypasses.
Check out my post on moldy attics for some.
Why is there ice in my roof.
Apparently the hvac people who installed my system did a very poor job.
Left unchecked frost in an attic can lead to serious mold and decay.
This post is largely a re blog of my last post on attic frost but that was from 2013 and it s time for a reminder about all of this.
Frost on nails is frozen condensation.
Since our minnesota winters are usually dry the only other source of humid air is your living space.
When moisture gets into the attic it condenses on the roof sheathing in the form of frost.
Had an energy audit.
As a follow up to my frost in attic condition.
Check out my post on moldy attics for some.
I ve blogged about attic air leaks many times and i ve shared photos of attic air leaks.
Common causes of attic frost.
Frost in your attic space is a sign that warm humid air is somehow getting into your attic space.