Lots of ways many of which are small is difficult to detect.
Frost inside my attic.
During winter there are usually three sources of humidity in an attic.
The internal humidity conditions contribute to the internal moisture frost conditions.
Frost gets into the attic from air leaks or attic bypasses.
How to prevent frost in the attic frost comes from air leaks.
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.
Warm air holds a lot of.
During winter conditions attic frost is a problem associated with attic bypasses.
More indoor humidity more frost in the attic.
How does humid air get from our house and into the attic.
I ve blogged about attic air.
House pressure affects.
The insulation added should have like the homeowner stated created the significant variance in heated living quarter temperatures to the unheated attic temperatures.
1 a leak 2 air infiltration from the living spaces and 3 incorrect venting of kitchen bathroom washer drier or plumbing vents.
When the outside temperature rises again the frost thaws water collects and can leak into your house.
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.
Left unchecked frost in an attic can lead to serious mold and decay.
At the present time here s how to stop the frost you re seeing in your attic.
Frost in the attic comes from the house.
When the weather warms up the frost will become water droplets and evaporate harmlessly.
Lower the humidity in the house increase air flow through 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.
Since our minnesota winters are usually dry the only other source of humid air is your living space.