Frost In The Attic Information
Check out my post on moldy attics for some.
Frost in the attic information. Bypasses are what allow moisture in the attic to begin with and this is what needs repair. The outside of the can or glass had drops of. Frost itself doesn t do any damage but once it melts things get wet and then damage occurs. I ve blogged about attic air leaks many times and i ve shared photos of attic air leaks.
The straight forward answer is that a little frost seen in a canadian attic in the dead of winter is nothing to panic about. Frost gets into the attic from air leaks or attic bypasses. Once this occurs it compresses to form frost. Frost on nails is frozen condensation.
Ventilation is not the way to fix frost in the attic. That s about it pretty simple. It should to a degree. Frost begins to compile when moist air travels to a home s attic.
It s important to realize frost is in your attic for a few reasons. Full home humidity systems. When the moisture gets into the attic it condenses on the roof. 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. Houses with full home humidity systems are at risk for attic frost if the home s level of humidity is excessive. Sticking my head into hundreds of attics every year i see lots where. How does the air get there.
The fix for frost in the attic is sealing attic bypasses these are passageways from the conditioned household space to the attic. You re seeing frost where cold air is entering your attic space and cooling nearby surfaces to below the dew point. Remember the last hot and humid day you were sitting outside drinking a cold beer iced tea soda or glass of ice water. Melting frost can lead to deteriorated roof sheathing mold on the roof sheathing wet insulation and water stains on the ceilings.
Inadequate attic air sealing.