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