Lots of ways many of which are small is difficult to detect.
Frost inside my attic.
Since our minnesota winters are usually dry the only other source of humid air is your living space.
The warm air you are paying for to heat your home is leaking into the attic because your house is not sealed from the attic.
During winter conditions attic frost is a problem associated with attic bypasses.
A patch of frost here and there on the tips of roofing nails poking through the sheathing for instance probably isn t a cause for alarm.
The more humid a house is the more frost you ll find in the attic.
House pressure affects.
Lower the humidity in the house increase air flow through attic.
Frost in the attic comes from the house.
When the weather warms up the frost will become water droplets and evaporate harmlessly.
How does humid air get from our house and into the attic.
I ve blogged about attic air.
More indoor humidity more frost in the attic.
At the present time here s how to stop the frost you re seeing in your attic.
As a practising roofer and consultant i will note that any appearance of frost inside the attic especially if it is vented is a troubling sign.
How to prevent frost in the attic frost comes from air leaks.
Warm air holds a lot of.
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.
1 a leak 2 air infiltration from the living spaces and 3 incorrect venting of kitchen bathroom washer drier or plumbing vents.
The internal humidity conditions contribute to the internal moisture frost conditions.
Frost in your attic space is a sign that warm humid air is somehow getting into your attic space.
Frost gets into the attic from air leaks or attic bypasses.
Left unchecked frost in an attic can lead to serious mold and decay.