Condensation Attic Nails

Frost on nails is frozen condensation.

Condensation attic nails.

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. 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. Condensation in the attic is a serious problem that must be addressed by homeowners.

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. 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. It should to a degree. Condensation in attic spaces can be alarming depending on how much you re seeing.

Condensation in an attic will form first on nails that penetrate the sheathing and thus check them for evidence of corrosion. You can prevent these problems from occurring by maintaining a dry attic with a low relative. 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. Attic condensation will be widespread and typically will appear on the underside of the most northern facing slope s sheathing.

It is common for poorly vented and insulated attics to develop attic condensation. This can result in mold rust and deterioration of wood and structural fasteners. Frost on nails in attic spaces may frighten you. 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.

The third type of leak is caused by condensation or frost buildup in the attic. A thin layer of moisture versus large water droplets can mean the difference between a future major roof repair or not. This is not workmanship related or an actual roof leak.