Frost On Roof In Attic

The nails there are icy too but the rest of the roof sheathing and trusses look fine.

Frost on roof in attic.

Because they were running the heat to keep the house warm. I was up in the unfinished attic of my old house and noticed frost on the underside of the roof sheathing and also on some of the rafters. Causes of attic mold frost on nails moisture robert wewer duration. Does your garage have a frosted roof and the rest of your home does not or vice versa.

Frost itself doesn t do any damage but once it melts things get wet and then damage occurs. These could indicate that your home is losing. If the whole inside of the roof is covered with frost i would definetly suspect moisture is getting into the attic space from living quarters and would recomend further evaluation of this situation. When moisture gets into the attic it condenses on the roof sheathing in the form of frost.

Frost accumulates in attics when moisture laden air from the house gets up there when it s cold. A lack of frost can indicate that heat is leaking out through your attic space onto the roof and melting the frost. Attic insulation is in the floor of the attic rather than the roof. Melting frost can lead to deteriorated roof sheathing mold on the roof sheathing wet insulation and water stains on the ceilings.

When the moisture gets into the attic it condenses on the roof. Because their ceiling isn t air sealed or insulated well enough to keep a lot of heat from escaping into the attic. Why is there ice in my roof. That s about it pretty simple.

I went up in the attic to see if the eaves were blocked and they are open but i see two or three spots of frost on the sheathing about the size of my hand right near the baffles located closest to the brick chimney. Once in the attic it warms the air over the. The rafters are exposed. Valley january 29 2007 10 18am 13.

Look at the entirety of your roof is the frost melting unevenly and not due to the sun s heat.