Rusty Roof Nails In Attic

The air in the attic has water in it and it condenses on the cold metal.

Rusty roof nails in attic.

A tool like this shoots nails through shingles. They were leaking from day 1 and further if you wait 1 yr and go up in attic of any and every asphalt shingle roof house will have stains on bottom of plywood deck. A person called me today and asked what could have caused this. They bought the home and finished it and moved in two weeks ago.

Hammer a new nail into the roof about 1 inch above the hole from the previous nail. Manufacturers make materials and methods worse each year but since it takes 7 12 years for plywood to disintegrate you don t know it leaks until then. The house was built in 2006. The moisture caused by condensation on the inside of the attic can also rust things like plumbing heating and venting duct straps to rust and break.

Roof is new 5 yrs over an old layer. The nails that you see in your attic get as cold as the outdoor temperature. The nail was driven into an upper bedroom exterior wall to hang a picture. A point often overlooked is that since it s winter the water freezes on the cold nails.

Rust or stains around roofing nails that protrude through the attic sheathing they re supposed to stick through are a clear indication of high attic moisture. All of those things will add to the moisture in the attic and will rust any metal exposed there. The nail will provide a path for the water. 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.

Excessive heat will cause your air conditioner to have to work harder and longer to cool your living space. Less than a week later they pulled it out and found this. Insert a nail in the hole where water is leaking through the roof. Moisture causes metal components of the roof like nails to rust and potentially break which can lead to shingle loss.

This is why you see the frost. Roofing nails are galvanized but add enough moisture and galvanized nails will rust. Step 2 place a bucket underneath the nail to catch the water as it runs down the nail.