It s a good idea to use at least 40 year shingles.
Proper place to nail dimensional roof shingles.
Place a whole shingle next to this one making sure to nail each shingle to the roof before placing the next.
Use the correct type size and grade of nail as is specified in the application instruction.
Before you go down check the results of what you have done.
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.
The thicker the new shingle the better it will hide any imperfections in the roofing below.
Architectural shingles are an even better choice.
Place a whole shingle next to it.
In all use four nails per 3 tab shingle.
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.
Proper fastening is essential to a good roof performance.
To ensure proper nailing during the shingle application.
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.
On a sloped peak work from the bottom to up.
Also place a nail 2 inches from each end of the shingle in line with the other two.
However make sure that you do not nail into the tar strip.
When nailing shingles proper penetration into the roof deck is essential to ensure the nail and shingle remain secure.
Continue laying down shingles until the row is complete.
Use corrosion resistant nails.
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.
Position the nails according to the shingle specifications.
Proper installation of architectural roof shingles in your home.
Nail down the shingles as you go along.
Asphalt shingles roofing proper nailing by roofrepair101 more about roof installation at.
If you are planning to place new architectural roof shingles over an old or existing roof.
No nail head should be closer than 1.
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.
Use the recommended number of nails per shingle.
For dimensional shingles being installed over a layer of existing dimensional shingles you should always use a 1 1 2 inch roofing nail.