Frost In My Attic

Frost on nails is frozen condensation.

Frost in my attic. 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. 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. When the weather warms up the frost will become water droplets and evaporate harmlessly. Since our minnesota winters are usually dry the only other source of humid air is your living space.

When the outside temperature rises again the frost thaws water collects and can leak into. During winter conditions attic frost is a problem associated with attic bypasses. Check out my post on moldy attics for some. Found leaky ducts allowing warm air to escape into the attic causing the condensation.

As a follow up to my frost in attic condition. But anything more than an occasional patch is. Apparently the hvac people who installed my system did a very poor job. To start frost accumulates when moisture laden air from the house gets into the attic.

Left unchecked frost in an attic can lead to serious mold and decay. Frost gets into the attic from air leaks or attic bypasses. Frost in your attic space is a sign that warm humid air is somehow getting into your attic space. Had an energy audit.

Why is there ice in my roof. It s important to realize frost is in your attic for a few reasons. Remember the last hot and humid day you were sitting outside drinking a cold beer iced tea soda or glass of ice water. Frost gets into the attic from air leaks or attic bypasses.

Common causes of attic frost. When moisture gets into the attic it condenses on the roof sheathing in the form of frost. 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. 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.

That s about it pretty simple. I ve blogged about attic air leaks many times and i ve shared photos of attic air leaks. I ve blogged about attic air leaks many times and i ve shared photos of attic air leaks. Had the ducts repaired and auditor coming back to perform duct blast test.

Frost on nails in attic spaces may frighten you.