When the outside temperature rises again the frost thaws water collects and can leak into your house.
Causes of frost in attic.
The humid air in your home rises to the top of your home the attic when the temperature gets too low.
High humidity in homes first of all if the relative humidity of air in your home is too high work to lower it.
In the parlance of building scientists these cold wooden house parts make up a condensing surface much like a cold glass of ice tea beads with water on a hot summer day.
During winter conditions attic frost is a problem associated with attic bypasses.
To start frost accumulates when moisture laden air from the house gets into the attic.
When the moisture gets into the attic it condenses on the roof.
When moisture gets into the attic it condenses on the roof sheathing in the form of frost.
Water vapor is migrating upward and eventually filtering into the attic.
Then the air condensates on the wood of the interior of your roof which is the coldest part of the attic.
What causes ice in attics.
To start frost shows up in the attic when moisture laden air from the house gets into the attic.
That s about it pretty simple.
When it reaches the cold surface of the roof sheathing and framing it turns to frost.
Attic ventilation is essential to prevent ice in roofs be certain that your roof ventilation is.
Frost itself doesn t do any damage but once it melts things get wet and then damage occurs.