Will Exposed Roofing Nails Rust

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Will exposed roofing nails rust.

Durable lightweight relatively inexpensive architectural asphalt makes a great beautiful roof. The end result is a direct path for water to enter the attic. That said nail pops are most common with this material. They hold up better against rust and they can also be used for asphalt shingles.

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. It s vital the fasteners last longer than the actual roofing material. The nails are galvanized. There will always be the final hip or ridge cap shingles with exposed nails though.

Another kind of classification for roofing nails is by size. Remove any shingle with exposed nails and replace it with a new shingle. This helps prevent against rusting. Galvanized roofing nails tend to resist rust formation and they are a suitable option for asphalt shingles.

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. As the nail rusts its diameter shrinks but the original hole stays the same size. If the nails or fasteners rust and fail the shingles can succumb to gravity and or be blown away in a moderate breeze. Galvanized roofing nails are steel nails that are zinc coated.

The biggest problem with exposed nails is that they rust. Owens corning requires using either galvanized steel stainless steel or aluminum nails to affix shingles. The leak may go undetected but over a long period of time may cause wood rot or mold. What causes exposed roofing nails.

The way to check the nailing pattern is to lift the flaps on the shingles on a warm not hot day. 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. Be sure to use the manufacturer recommended number of nails to fasten the shingle to the roof deck. Asphalt shingles are one of the most common materials for residential roofs.

Realize the fastener is the lifeline of the roofing material. Common causes of exposed roofing nails include. 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.