Frost In My Attic

Frost gets into the attic from air leaks or attic bypasses.

Frost in my attic.

To start frost accumulates when moisture laden air from the house gets into the attic. Found leaky ducts allowing warm air to escape into the attic causing the condensation. Remember the last hot and humid day you were sitting outside drinking a cold beer iced tea soda or glass of ice water. When the weather warms up the frost will become water droplets and evaporate harmlessly.

As a follow up to my frost in attic condition. Left unchecked frost in an attic can lead to serious mold and decay. Common causes of attic frost. Since our minnesota winters are usually dry the only other source of humid air is your living space.

But anything more than an occasional patch is. 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. I ve blogged about attic air leaks many times and i ve shared photos of attic air leaks. When the outside temperature rises again the frost thaws water collects and can leak into.

Frost gets into the attic from air leaks or attic bypasses. Had the ducts repaired and auditor coming back to perform duct blast test. It s important to realize frost is in your attic for a few reasons. Frost on nails in attic spaces may frighten you.

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. It should to a degree. Check out my post on moldy attics for some. When moisture gets into the attic it condenses on the roof sheathing in the form of frost.

Apparently the hvac people who installed my system did a very poor job. Frost on nails is frozen condensation. 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. Frost in your attic space is a sign that warm humid air is somehow getting into your attic space.

In order to eliminate frost build up in the attic space we have to understand what causes it in the first place. 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. Had an energy audit. Check out my post on moldy attics for some.

Why is there ice in my roof.