However make sure that you do not nail into the tar strip.
How do you nail shingles on a roof.
However placement of the nails is the most important in any roofing job.
In all use four nails per 3 tab shingle.
Also place a nail 2 inches from each end of the shingle in line with the other two.
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For dimensional shingles being installed over a layer of existing dimensional shingles you should always use a 1 1 2 inch roofing nail.
Nail the shingles from one side to the other so they remain flat on roof.
At the end of the day the placement of each nail will determine the durability of your shingles.
Roofing nails should be long enough to penetrate the roofing material and go 19 mm into osb solid wood plywood or non veneer wood decking or through thickness of decking whichever is less.
Shingles are designed to be nailed in specific locations and the nail must be driven to a certain depth.
To determine the nail length you should consider the number of layers of shingles shingle thicknesses underlayment and flashings installed on eaves sidewalls and valleys etc.
There is a right way and a wrong way to nail a shingle to a roof.
When you reach the end of a row cut the last shingle to size before installing it.
Standard roof installation requires four nails per shingle.
A nail line is indicated on the shingles and locates the correct places to put nails.
Then begin nailing the shingles to the roof working in rows and starting at the edge of the roof.
Place nails in the three tab shingles about 3 4 inch 1 8 centimeters above the cutouts near where the tab meets the upper part of the shingle.
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But these roofing products can only do their jobs when properly installed.
Roofing shingles and underlayment work together to provide your home with protection from the elements including rain snow and wind.
Install the shingles so that each one is overlapping the shingle directly below it which will conceal the nails.
Generally as you start shingling the roof lay a row of shingles beginning from the lower left corner of the roof and nail down the shingles as you go along.