Heavy Frost In 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.

Heavy frost in attic.

He also stated. Heavy frost in attic. Frost on nails in attic spaces may frighten you. During winter conditions attic frost is a problem associated with attic bypasses.

I found this this in a home this morning. 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. When moisture gets into the attic it condenses on the roof sheathing in the form of frost. Frost itself doesn t do any damage but once it melts things get wet and then damage occurs.

Frost on nails is frozen condensation. Melting frost can lead to deteriorated roof sheathing mold on the roof sheathing wet insulation and water stains on the ceilings. When the moisture gets into the attic it condenses on the roof sheathing in the form of frost. It looks like the roof is leaking but it s really the melting of a winter s worth of frost in the attic.

It s important to realize frost is in your attic for a few reasons. 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. Ceiling water leaks are one of the classic signs of air leakage into the attic. Ashburn december 18 2007 11 50pm 1.

The frost itself doesn t do any damage but once it melts things get wet which is when the damage. When the outside temperature rises again the frost thaws water collects and can leak into. It should to a degree. It s caused by excessive moisture building up in the attic which then freezes to beams and ceilings.

From attic 3 weeks ago. Proper ventilation would allow adequate air exchange and there would be no frost problems. Frost in the attic is usually due to high humidity in the home and or poor roof ventilation. The owner said that he noticed how wet the attic seemed when he went to get christmas decor.