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.

Condensation attic nails.

Condensation in the attic is a serious problem that must be addressed by homeowners. Attic condensation will be widespread and typically will appear on the underside of the most northern facing slope s sheathing. The third type of leak is caused by condensation or frost buildup in the attic. This condensation can form droplets of water and accumulate into the insulation below.

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. This is not workmanship related or an actual roof leak. 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. 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. This can result in mold rust and deterioration of wood and structural fasteners. Frost on nails is frozen condensation.

Frost on nails in attic spaces may frighten you. Condensation in an attic will form first on nails that penetrate the sheathing and thus check them for evidence of corrosion. It should to a degree. 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 attic spaces can be alarming depending on how much you re seeing. 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. A thin layer of moisture versus large water droplets can mean the difference between a future major roof repair or not.