Frost In Attic In Winter

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 in attic in winter.

This exact same process is happening in your attic during extreme cold weather. Last winter i noticed condensation and water droplets on the nails that stick through the roof into the 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. To start frost accumulates when moisture laden air from the house gets into the attic.

This winter warmer dryer weather has seen the return of more normal attic conditions with significant frost seen only in problematic attics. At times there was ice and frost on the nails. Frost accumulates in attics when moisture laden air from the house gets up there when it s cold. When moisture gets into the attic it condenses on the roof sheathing in the form of frost.

That s about it pretty simple. The air in the attic has water in it and it condenses on the cold metal. That s about it pretty simple. This is why you see the frost.

The nails that you see in your attic get as cold as the outdoor temperature. During winter conditions attic frost is a problem associated with attic bypasses. The resulting thick layer of frost remained for several weeks until the weather warmed or a reasonable layer of snow covered the roofs to provide some insulation from the very cold exterior temperatures. Ice frost and water in an attic condensation new construction text.

When moisture gets into the attic it condenses on the roof sheathing in the form of frost. When the moisture gets into the attic it condenses on the roof. To start frost accumulates when moisture laden air from the. Why is there ice in my roof.

My wife ali and i bought an old house 18 months ago. Boxes stored in the attic were sometimes wet. 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. That s about it pretty simple.

To start frost accumulates when moisture laden air from the house gets into the attic. A point often overlooked is that since it s winter the water freezes on the cold nails.