Realize the fastener is the lifeline of the roofing material.
Will exposed roofing nails rust.
There will always be the final hip or ridge cap shingles with exposed nails though.
Asphalt shingles are one of the most common materials for residential roofs.
What causes exposed roofing nails.
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.
The leak may go undetected but over a long period of time may cause wood rot or mold.
Galvanized roofing nails are steel nails that are zinc coated.
Free fast bids.
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.
Be sure to use the manufacturer recommended number of nails to fasten the shingle to the roof deck.
That said nail pops are most common with this material.
The biggest problem with exposed nails is that they rust.
Another kind of classification for roofing nails is by size.
But as time goes on they will begin to rust and stain.
It s vital the fasteners last longer than the actual roofing material.
As the nail rusts its diameter shrinks but the original hole stays the same size.
The nails are galvanized.
This helps prevent against rusting.
The way to check the nailing pattern is to lift the flaps on the shingles on a warm not hot day.
Owens corning requires using either galvanized steel stainless steel or aluminum nails to affix shingles.
The end result is a direct path for water to enter the attic.
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.
Galvanized roofing nails tend to resist rust formation and they are a suitable option for asphalt shingles.
Remove any shingle with exposed nails and replace it with a new shingle.
They hold up better against rust and they can also be used for asphalt shingles.
If the nails or fasteners rust and fail the shingles can succumb to gravity and or be blown away in a moderate breeze.
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.