Frost In Attic Melting

My entire attic is covered in frost.

Frost in attic melting.

Then it freezes against the wood and all of a sudden you have frost. Frost gets into the attic from air leaks or attic bypasses. When moisture gets into the attic it condenses on the roof sheathing in the form of frost. In cold climates that leads to ice dams.

The humid air in your home rises to the top of your home the attic when the temperature gets too low. Frost comes from air leaks. Frost itself doesn t do any damage but once it melts things get wet and then damage occurs. If the ventilation is working and the source of moisture has been eliminated the current frost and moisture will evaporate hopefully before it melts and drips.

Frost itself doesn t do any damage but once it melts things get wet and then damage occurs. But let s say that it is a warm day and the frost has melted. Melting frost can lead to deteriorated roof sheathing mold on the roof sheathing wet insulation and water stains on the ceilings. Then the air condensates on the wood of the interior of your roof which is the coldest part of the attic.

When moisture gets into the attic it condenses on the roof sheathing in the form of frost. The difference between this photo and the first is that the garage is unheated so there s just not much heat available to melt the frost on that side in the first photo. Frost will form on the underside of the roof deck along framing members and even on the topside of the insulation. How to handle melting frost in attic.

Frost and ice can go straight from a solid state to a vapor and cold outside air is frequently very dry. The frost itself doesn t do any damage but once it melts things get wet which is when the damage. Signs of frost if it is present frost is usually quite easy to spot in the attic space. When the moisture gets into the attic it condenses on the roof sheathing in the form of frost.

You definitely don t want frost in your attic. Melting frost can lead to deteriorated roof sheathing mold on the roof sheathing wet insulation and water stains on the ceilings. 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.