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.

Our photograph above shows roofing nails protruding through plywood roof sheathing visible in an attic where there is no under roof condensation or moisture problem. The house was built in 2006. 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.

The nail will provide a path for the water. A tool like this shoots nails through shingles. The nail was driven into an upper bedroom exterior wall to hang a picture. Insert a nail in the hole where water is leaking through the roof.

The nails that you see in your attic get as cold as the outdoor temperature. 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. 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. 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. Less than a week later they pulled it out and found this. Hammer a new nail into the roof about 1 inch above the hole from the previous nail. Roof is new 5 yrs over an old layer.

Excessive heat will cause your air conditioner to have to work harder and longer to cool your living space. Unfinished by a builder who went bankrupt. Step 2 place a bucket underneath the nail to catch the water as it runs down the nail. Roofing nails are galvanized but add enough moisture and galvanized nails will rust.

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. 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. A person called me today and asked what could have caused this.