Frost In The Attic Roof

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

Frost in the attic roof.

The more humid a house is the more frost you ll find in the attic. The fix for frost in the attic is sealing attic bypasses these are passageways from the conditioned household space to the attic. 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.

Melting frost can lead to deteriorated roof sheathing mold on the roof sheathing wet insulation and water stains on the ceilings. Frost itself doesn t do any damage but once it melts things get wet and then damage occurs. When moisture gets into the attic it condenses on the roof sheathing in the form of frost. Ventilation is not the way to fix frost in the attic.

To suggest adding more ventilation to a roof to fix frost in the attic is like telling someone with a leaking water pipe to install a dehumidifier. House pressure affects. How to prevent frost in the attic frost comes from air leaks. More indoor humidity more frost in the attic.

I ve blogged about attic air. 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. Frost itself doesn t do any damage but once it melts things get wet and then damage occurs.