Use the correct type size and grade of nail as is specified in the application instruction.
Proper place to nail dimensional roof shingles.
On a sloped peak work from the bottom to up.
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.
After that nail down all the new shingles of your roof.
No nail head should be closer than 1.
Nail the shingles just above the tab slots.
However make sure that you do not nail into the tar strip.
When laying the shingles for the top row cut 6 inches 15 2 centimeters from the first shingle in the left corner of the roof using the utility knife.
If you are planning to place new architectural roof shingles over an old or existing roof.
For all owens corning shingles roofing nails should penetrate into the wood deck by a minimum of inch or completely through the roof deck by a minimum of 1 8 inch.
Also place a nail 2 inches from each end of the shingle in line with the other two.
Continue laying down shingles until the row is complete.
Use corrosion resistant nails.
Position the nails according to the shingle specifications.
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When nailing shingles proper penetration into the roof deck is essential to ensure the nail and shingle remain secure.
Place a whole shingle next to it.
For most shingles with sealant on the top surface place nails below the sealant strip but above the area that will be visible after the roof is complete.
Proper fastening is essential to a good roof performance.
Nail down the shingles as you go along.
Use the recommended number of nails per shingle.
To ensure proper nailing during the shingle application.
It s a good idea to use at least 40 year shingles.
Once you ve completed the first row cut the last shingle so it fits then lay another layer row directly over your first one also cutting 6 inches off of the first tile so that it is two layers thick.
The thicker the new shingle the better it will hide any imperfections in the roofing below.
In all use four nails per 3 tab shingle.
Architectural shingles are an even better choice.
Shingles with sealant on the back surface often have a line or lines to indicate the location on the shingle surface where the nails are to be placed.
For dimensional shingles being installed over a layer of existing dimensional shingles you should always use a 1 1 2 inch roofing nail.