Nails From Attic Is Normal

When nail pops show up on the ceiling of the floor just beneath the attic and near a wall intersection the culprit is a phenomenon known as truss uplift or a variation of it.

Nails from attic is normal. If you have a friend in the attic ask him to direct you to a sturdy spot where the nail can bite into the wood. This is why you see the frost. A point often overlooked is that since it s winter the water freezes on the cold nails. The air in the attic has water in it and it condenses on the cold metal.

This exact same process is happening in your attic during extreme cold weather. Normal healthy nails appear smooth and have consistent coloring. The best solution for controlling moisture is at its source. Nail pops are largely due to wood or drywall movement and often appear within a year of construction.

If the problem is the result of water or moisture penetrating the foundation or floor slab there are many remedial actions which may help. Nails first because they readily conduct cold. Your contractor is correct in his interpretation of the national roofing contractors association standards as well as the ohio building code which state that nails must be long enough to penetrate through all roofing materials and extend through the underside of the deck or penetrate a wood plank by of an inch even if that surface is less than inch thick. Hammer a new nail into the roof about 1 inch above the hole from the previous nail.

As you age you may develop vertical ridges or your nails may be a bit more brittle. The nails sticking through the roof sheathing is normal. You see this same thing happen in summer months when you place a glass of cold water or a can of cold soda or beer on an outdoor table. The condensation is caused by warm air leaking through the insulation between the top floor and the attic.

A moist attic means moist insulation and moist insulation is less effective. The nails that you see in your attic get as cold as the outdoor temperature. Lumber used to build houses may contain moisture which is often absorbed from humidity in the.