Frost In Attic Repair

Some condensation or frost in the attic is common but never in large amounts.

Frost in attic repair.

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. Frost in your attic space is a sign that warm humid air is somehow getting into your attic space. In large amounts the frost will melt and start to drip in the attic. Attic rain can occur when there is a build up of moisture usually frost in the attic.

That s about it pretty simple. Since our minnesota winters are usually dry the only other source of humid air is your living space. Common causes of attic frost. When the moisture gets into the attic it condenses on the roof.

When the weather warms up the frost will become water droplets and evaporate harmlessly. 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. To start frost accumulates when moisture laden air from the house gets into the attic. But anything more than an occasional patch is the symptom of a larger moisture problem.

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. Attic rain is when you have an accumulation of frost from air entering the attic from the house. 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. Frost accumulates in attics when moisture laden air from the house gets up there when it s cold.

How to dry out an attic. What is attic rain. In order to eliminate frost build up in the attic space we have to understand what causes it in the first place. When moisture gets into the attic it condenses on the roof sheathing in the form of frost.

Why is there ice in my roof. Water in your attic can damage wood. In small amounts this frost just vaporizes before it can cause damage.