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.

Rusty roof nails in attic.

Less than a week later they pulled it out and found this. All of those things will add to the moisture in the attic and will rust any metal exposed there. 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. This is why you see the frost.

They bought the home and finished it and moved in two weeks ago. The air in the attic has water in it and it condenses on the cold metal. 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.

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

Excessive heat will cause your air conditioner to have to work harder and longer to cool your living space. Step 2 place a bucket underneath the nail to catch the water as it runs down 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.

Hammer a new nail into the roof about 1 inch above the hole from the previous nail. The nail will provide a path for the water. Insert a nail in the hole where water is leaking through the roof. A tool like this shoots nails through shingles.

Roofing nails are galvanized but add enough moisture and galvanized nails will rust. Roof is new 5 yrs over an old layer. The house was built in 2006.