For duration series shingles owens corning recommends using either a 4 or 6 nail fastening pattern depending on the roof s slope and building code requirements.
Rolled roofing nailing pattern.
Tack the upper edge of the second strip.
Using the exposed nail method snap a chalk line 35 inches above the eave.
Roll out the first sheet and ensure that it lies flat and even.
How to nail down roll roofing step 1.
Here are my easy to follow step by step instructions for diy rolled roofing installation.
In most cases 4 nails are adequate.
Hammer down the nails at the edges of the sheets covering the valley.
Nail down the 18 inch roll roofing sheet that it is covering the valley.
Install the rest of the.
Tear out the sheathing that is emerging out of the valley.
Use a trowel to spread roofing cement over half or more of the strips.
Make sure there is a two inch space between the edge of the roll and the first nail.
The nails should start.
If you have a sloped roof cut strips of roofing 9 inches wide position them flush with the drip edges along the eave and rake and attach them by driving two rows of nails that are about 3 inches apart.
The nails should not go to the very outer edge of the roll.
The installation of the shingles will go much smoother if the initial installation of the asphalt roll roofing is done properly.
Cover the preceding layer with 36 inch roll roofing.
Position the nails appropriately according to the shingle installation instructions.
Once the first row is done add approximately two inches of cement to the top of the first row to secure the second row of roofing.
There are two nail spacing considerations when it comes to installing asphalt rolls.
Align shingles properly to avoid nail exposure.
Make sure that the roof is completely clean.
Cover the valley of the roof.
I m a true diyer when it comes to house projects and i ve learned a thing or two that could help with your diy project.
Apply about two inches worth of cement under either side to seal the roofing down and then nail it down making sure it still stays flat and even as you go.
Move over to the other spaces of the roof and start installing the roofing courses one by one in a definite pattern.
The valley of the roof is the point on the roof where the two sides meet.
Snap a chalk line on the top of the first piece 2 inches below the edge.