Last winter i noticed condensation and water droplets on the nails that stick through the roof into the attic.
I have frost in my attic.
Frost itself doesn t do any damage but once it melts things get wet and then damage occurs.
Melting frost can lead to deteriorated roof sheathing mold on the roof sheathing wet insulation and water stains on the ceilings.
Frost gets into the attic from air leaks or attic bypasses.
The more humid a house is the more frost you ll find in the attic.
At times there was ice and frost on the nails.
If it doesn t evaporate it can leak into your home s structure and cause water damage that may then lead to mold growth mildew poor indoor air quality rotting wood and other serious problems.
Last year virtually every attic that i looked into for the first couple of months of winter had significant.
House pressure affects.
When the weather warms up the frost will become water droplets and evaporate harmlessly.
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.
How to prevent frost in the attic frost comes from air leaks.
My wife ali and i bought an old house 18 months ago.
Frost may seem harmless when everything is cold and frozen but as soon as the sun shines and the attic temperature rises frost can become a danger to your home.
Even in newer homes some frost at various times of the year is nothing to worry about.
Frost and ice forms in attics when warm humid air accumulates and condenses on the underside of your roof sheathing.
When moisture gets into the attic it condenses on the roof sheathing in the form of frost.
I ve blogged about attic air.
Ice frost and water in an attic condensation new construction text.
I ve blogged about attic air leaks many times and i ve shared photos of attic air leaks.
More indoor humidity more frost in the attic.
Check out my post on moldy attics for some.
Boxes stored in the attic were sometimes wet.