Frost Buildup In Attic

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.

Frost buildup in attic.

The more humid a house is the more frost you ll find in the attic. High humidity in homes first of all if the relative humidity of air in your home is too high work to lower it. House pressure affects. On dec 17 2010.

That s about it pretty simple. Attic ventilation is essential to prevent ice in roofs be certain that your roof ventilation is. Frost gets into the attic from air leaks or attic bypasses. 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.

During winter conditions attic frost is a problem associated with attic bypasses. When the outside temperature rises again the frost thaws water collects and can leak into your house. Left unchecked frost in an attic can lead to serious mold and decay 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. This frost is the result of warm air rising from the living areas underneath.

When the weather warms up the frost will become water droplets and evaporate harmlessly. How to prevent frost in the attic frost comes from air leaks. When moisture gets into the attic it condenses on the roof sheathing in the form of frost. More indoor humidity more frost in the attic.

Without proper attic ventilation in your home you could have a considerable amount of frost accumulate in your attic during the cold winter months. To start frost accumulates when moisture laden air from the house gets into the attic.