Frost on nails is frozen condensation.
Condensation attic nails.
This can result in mold rust and deterioration of wood and structural fasteners.
This accumulation can leak through the attic floor and into your living space.
Left alone moisture can cause everything from musty smells mold on wood and insulation and of course rot.
You can prevent these problems from occurring by maintaining a dry attic with a low relative.
This condensation can form droplets of water and accumulate into the insulation below.
Excessive attic moisture condenses on the cool metal surface of the roofing nails causing corrosion or rust on the nails and stains on the surrounding wood materials.
If left untreated it can damage critical structural elements of the home such as the trusses and rafters ruin insulation damage any stored belongings and lead to the formation of potentially toxic black mold.
It is common for poorly vented and insulated attics to develop attic condensation.
It s important to realize frost is in your attic for a few reasons.
As the moisture migrates upwards to the colder attic areas during the winter months the relative humidity is increased to the point that condensation can occur on cold surfaces.
Remember the last hot and humid day you were sitting outside drinking a cold beer iced tea soda or glass of ice water.
Condensation in the attic is a serious problem that must be addressed by homeowners.
This is not workmanship related or an actual roof leak.
Frost on nails in attic spaces may frighten you.
Attic condensation will be widespread and typically will appear on the underside of the most northern facing slope s sheathing.
These same condensation points the roofing nails will often map exactly the drip stains found on the attic insulation or attic floor below each nail.
Condensation in attic spaces can be alarming depending on how much you re seeing.
A thin layer of moisture versus large water droplets can mean the difference between a future major roof repair or not.
To prevent frost condensation from developing in your attic you must eliminate or reduce the amount of air leakage into the attic as well as improve insulation ventilation to allow moist air to.