A four nail fastening pattern per shingle is required to take advantage of the maximum wind warranty available on owens corning duration shingles.
Roof shingles no nailing needed.
Also place a nail 2 inches from each end of the shingle in line with the other two.
The rationale behind the number is that in most cases four nails are the right number of nails to do a quality job.
Also place the nails high so the next course of shingles will cover them.
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.
Once you ve reached the ridge bend the shingle over the ridge so that each side is equal and nail it into place with a single nail on each side.
That s why you need you to handle them with care don t throw them or bend them like you would on a sunny day.
Also you should leave some space between the shingles don t overcrowd them.
Once the kick flashing and first piece of step flashing are secure you have to apply a shingle.
If this can t be done the entire shingle should be replaced.
Use roofing cement and two nails to secure it to the roof deck.
Six nails are required for structures.
This comes as a total surprise because the shingles are only 5 years old.
A continuous bead of asphalt could trap condensation or windblown water under the roofing at some point.
However make sure that you do not nail into the tar strip.
Specific recommendations from the shingle manufacturer for positioning the nails across the shingle are included in the manufacturer s installation instructions.
If they are not flat and you start nailing you risk to break them.
Before nailing make sure the shingles are laying perfectly flat on the roof.
Do not drive nails into knot holes cracks or spaces in the roof deck.
For locations outside the salt water zone nails must be stainless steel type 304 type 316 or hot.
Nail the shingles with no tabs such as precut pro start shingles and apply asphalt cement from a caulk gun in many dots along the drip edge under the edge then press the tab less shingles down onto the line of asphalt cement dots with adequate spaces between the dots.
Do the same with the next shingle continuing this step until you get to the far edge of the ridge.
A nail line is indicated on the shingles and locates the correct places to put nails.
A new nail must be driven in a nearby spot to secure the shingle.
In all use four nails per 3 tab shingle.
Required for nailing ridge product nails staples each certi label shake or shingle shall be applied with two fasteners.
I would agree that there is no urgent need to.
No nail head should be closer than 1 from either end of the shingle.
Nails must be stainless steel type 316 in locations within fifteen 15 miles of salt water.
Standard roof installation requires four nails per shingle.
Place the nails on the base of the step flashing piece so you re nailing into the deck.
