About california ventilation building codes.
Frost on roof in attic.
Depending on the temperature and the insolation ie.
When the outside temperature rises again the frost thaws water collects and can leak into your house.
During winter conditions attic frost is a problem associated with attic bypasses.
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.
Can sun get to the roof you will have either frost or water collecting.
The frost itself doesn t do any damage but once it melts things get wet which is when the damage.
Exhaust them with turbine vents.
Left unchecked frost in an attic can lead to serious mold and decay.
A well ventilated home is drier healthier and more comfortable.
Well placed windows doors and other openings allow air to circulate without creating.
Frost and ice forms in attics when warm humid air accumulates and condenses on the underside of your roof sheathing.
Ice frost and other condensation need to be removed from your attic.
Mold mildew or rot can occur.