Will Exposed Roofing Nails Rust

What causes exposed roofing nails.

Will exposed roofing nails rust.

Free fast bids. The nails are galvanized. There will always be the final hip or ridge cap shingles with exposed nails though. For instance if you live in a coastal area where your home is exposed to salt stainless steel roofing nails may be a good choice.

That said nail pops are most common with this material. Standard lengths are between 1 and 2 inches 2 and 5 centimeters but they are also available at lengths of up to 6 inches 15 centimeters. It s vital the fasteners last longer than the actual roofing material. But as time goes on they will begin to rust and stain.

The biggest problem with exposed nails is that they rust. Have a low nail tear off that shingle and go again a low nail will leak a couple years or less nail starts to rust loosens up and theres a leak especially here on the wet coast of canada where we get 100 130 inches of rain a year. Owens corning requires using either galvanized steel stainless steel or aluminum nails to affix shingles. Another kind of classification for roofing nails is by size.

Wicked september 28 2017 10 28am 14. Realize the fastener is the lifeline of the roofing material. Galvanized roofing nails are steel nails that are zinc coated. The end result is a direct path for water to enter the attic.

Common causes of exposed roofing nails include. Covering the exposed nail with any type of roof cement or caulk is not a permanent repair and will be excluded from coverage under gaf s limited warranties. Remove any shingle with exposed nails and replace it with a new shingle. Galvanized roofing nails tend to resist rust formation and they are a suitable option for asphalt shingles.

Durable lightweight relatively inexpensive architectural asphalt makes a great beautiful roof. If the nails or fasteners rust and fail the shingles can succumb to gravity and or be blown away in a moderate breeze. As the nail rusts its diameter shrinks but the original hole stays the same size. The leak may go undetected but over a long period of time may cause wood rot or mold.

I recommend that they always be sealed but as anyone knows even any caulking of plastic roofing cement will dry out become brittle and crack away from adhering within about 5 years. The way to check the nailing pattern is to lift the flaps on the shingles on a warm not hot day. This helps prevent against rusting.