How does humid air get from our house and into the attic.
Frost in attic new home.
Depending on the temperature and the insolation ie.
Can sun get to the roof you will have either frost or water collecting.
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.
Lots of ways many of which are small is difficult to detect.
During winter conditions attic frost is a problem associated with attic bypasses.
But you should also investigate those air leaks.
Study guide energy frost in attics new tagged with.
Frost buildup in your attic can be attributed to three likely sources.
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.
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.
In extreme cases like this.
Yes an hrv will lower your indoor humidity level.
To start frost accumulates when moisture laden air from the house gets into the attic.
When the outside temperature rises again the frost thaws water collects and can leak into your house.
That s about it pretty simple.
Blower door directed air sealing could be used to seal the air leaks in your ceiling.
Since our minnesota winters are usually dry the only other source of humid air is your living space.
Last year virtually every attic that i looked into for the first couple of months of winter had significant.
Since your indoor air is almost certainly the source of the moisture in your attic it will also help solve your attic problem.
Frost frost in attic frost covered attic frost in attics by reuben saltzman in energy frost in attics on december 17 2013.
Frost itself doesn t do any damage but once it melts things get wet and then damage occurs.
When moisture gets into the attic it condenses on the roof sheathing in the form of frost.