When temperatures rise the frost melts and leaks through the ceiling.
Heavy frost in attic.
When the moisture gets into the attic it condenses on the roof sheathing in the form of frost.
He also stated.
Frost on nails is frozen condensation.
Ashburn december 18 2007 11 50pm 1.
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.
I found this this in a home this morning.
Frost on nails in attic spaces may frighten you.
If it gets colder longer the whole attic may frost dependant on the saturated vapor in the attic air.
When the outside temperature rises again the frost thaws water collects and can leak into.
Moist warm air in the home rises to the attic where it condenses and freezes and forms frost.
The moisture of the air in the attic coming from the heated house below frosts there because it is colder longer and there is also more concentrated air movement thus more moisture passing by at the vent location.
Melting frost can lead to deteriorated roof sheathing mold on the roof sheathing wet insulation and water stains on the ceilings.
Frost in the attic is usually due to high humidity in the home and or poor roof ventilation.
It s caused by excessive moisture building up in the attic which then freezes to beams and ceilings.
It s important to realize frost is in your attic for a few reasons.
Proper ventilation would allow adequate air exchange and there would be no frost problems.
Frost itself doesn t do any damage but once it melts things get wet and then damage occurs.
Heavy frost in attic.
It should to a degree.
Ceiling water leaks are one of the classic signs of air leakage into the attic.
This winter s frigid weather in alberta could trigger more cases than last year of attic rain when warm moist air sneaks into the attic freezes then melts in warm spells like chinooks.
It looks like the roof is leaking but it s really the melting of a winter s worth of frost in the attic.
The frost itself doesn t do any damage but once it melts things get wet which is when the damage.
From attic 3 weeks ago.