When the moisture gets into the attic it condenses on the roof.
Frost in attic repair.
Usually takes extended periods of cold weather once the air warms or the sun shines on bare shingles the frost melts quickly raining down into the insulation and sometimes leaving staining and dripping from lights.
That s about it pretty simple.
When the weather warms up the frost will become water droplets and evaporate harmlessly.
Frost in your attic space is a sign that warm humid air is somehow getting into your attic space.
Attic rain is when you have an accumulation of frost from air entering the attic from the house.
This post is largely a re blog of my last post on attic frost but that was from 2013 and it s time for a reminder about all of this.
In large amounts the frost will melt and start to drip in the attic.
When moisture gets into the attic it condenses on the roof sheathing in the form of frost.
In small amounts this frost just vaporizes before it can cause damage.
Common causes of attic frost.
That s about it pretty simple.
Left unchecked moisture in the attic can lead to serious mold and decay expensive to repair and potentially unhealthy for anyone in the house.
This winter s frigid weather in alberta could trigger more cases than last year of attic rain when warm moist air sneaks into the attic freezes then melts in warm spells like chinooks.
Frost accumulates in attics when moisture laden air from the house gets up there when it s cold.
Though attics are typically hot and dry a leaky roof or pipe condensation or severe weather can cause water to enter your attic.
When a warm sunny day arrives after a long cold stretch and it seems like you have a roof leak when there isn t a cloud in the sky it s probably attic icing otherwise known as ice dams or ice damming and the surprising thing is that it s very unlikely that the roof covering itself is the problem.
Some condensation or frost in the attic is common but never in large amounts.
What is attic rain.
Water in your attic can damage wood.
In order to eliminate frost build up in the attic space we have to understand what causes it in the first place.
Since our minnesota winters are usually dry the only other source of humid air is your living space.
How to dry out an attic.
Why is there ice in my roof.