Frost In Attic New Home
When moisture gets into the attic it condenses on the roof sheathing in the form of frost.
Frost in attic new home. During winter conditions attic frost is a problem associated with attic bypasses. Frost in your attic space is a sign that warm humid air is somehow getting into your attic space. Attic rain occurs when warm moist air sneaks into the attic freezes during cold weather and then melts during warm spells like chinooks leaking water into the home. 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.
Frost and ice forms in attics when warm humid air accumulates and condenses on the underside of your roof sheathing. Combustion of the kerosene heater or any fossil fuel such as gasoline oil propane and gas produces water vapor and this could turn to frost during cold days. Can sun get to the roof you will have either frost or water collecting. To start frost accumulates when moisture laden air from the house gets into the attic.
But you should also investigate those air leaks. When the outside temperature rises again the frost thaws water collects and can leak into your house. Yes an hrv will lower your indoor humidity level. How does humid air get from our house and into the attic.
Even in newer homes some frost at various times of the year is nothing to worry about. Since your indoor air is almost certainly the source of the moisture in your attic it will also help solve your attic problem. Frost buildup in your attic can be attributed to three likely sources. Since our minnesota winters are usually dry the only other source of humid air is your living space.
Frost itself doesn t do any damage but once it melts things get wet and then damage occurs. Last year virtually every attic that i looked into for the first couple of months of winter had significant. Lots of ways many of which are small is difficult to detect. Frost frost in attic frost covered attic frost in attics by reuben saltzman in energy frost in attics on december 17 2013.
Blower door directed air sealing could be used to seal the air leaks in your ceiling. In extreme cases like this.