That said nail pops are most common with this material.
Will exposed roofing nails rust.
Be sure to use the manufacturer recommended number of nails to fasten the shingle to the roof deck.
It s vital the fasteners last longer than the actual roofing material.
Wicked september 28 2017 10 28am 14.
Common causes of exposed roofing nails include.
The nails are galvanized.
Free fast bids.
Owens corning requires using either galvanized steel stainless steel or aluminum nails to affix shingles.
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.
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.
What causes exposed roofing nails.
The leak may go undetected but over a long period of time may cause wood rot or mold.
This helps prevent against rusting.
The biggest problem with exposed nails is that they rust.
As the nail rusts its diameter shrinks but the original hole stays the same size.
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.
Asphalt shingles are one of the most common materials for residential roofs.
There will always be the final hip or ridge cap shingles with exposed nails though.
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.
They hold up better against rust and they can also be used for asphalt shingles.
Realize the fastener is the lifeline of the roofing material.
But as time goes on they will begin to rust and stain.
Galvanized roofing nails are steel nails that are zinc coated.
The end result is a direct path for water to enter the attic.
If the nails or fasteners rust and fail the shingles can succumb to gravity and or be blown away in a moderate breeze.
Durable lightweight relatively inexpensive architectural asphalt makes a great beautiful roof.
Remove any shingle with exposed nails and replace it with a new shingle.