Rusty Roof Nails In Attic

A point often overlooked is that since it s winter the water freezes on the cold nails.

Rusty roof nails in attic. Step 2 place a bucket underneath the nail to catch the water as it runs down the nail. This is why you see the frost. Moisture causes metal components of the roof like nails to rust and potentially break which can lead to shingle loss. 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.

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. Roofing nails are galvanized but add enough moisture and galvanized nails will rust. The air in the attic has water in it and it condenses on the cold metal. The nail will provide a path for the water.

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. Roofing inspections cfoley1 christopher foley april 24 2019 7 07pm 1 ive seen roof shingle nails get rusty due to poor ventilation as this attic had lousy ventilation but never black and the sheathing turn black around the nail. They bought the home and finished it and moved in two weeks ago. Unfinished by a builder who went bankrupt.

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. Hammer a new nail into the roof about 1 inch above the hole from the previous nail. The nails that you see in your attic get as cold as the outdoor temperature.

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 nail was driven into an upper bedroom exterior wall to hang a picture. Roof is new 5 yrs over an old layer. A person called me today and asked what could have caused this.

A tool like this shoots nails through shingles. The house was built in 2006. 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.