Known in the trade as vertical racking or staggering this how to lay shingles method enables the roofer to install a single column of shingles all the way to the peak without the wasted back and forth motion necessary to fill several rows of stair steps.
How to fit roof shingles.
Start from the top of the roof and remove the old shingles along with the flashing underlayment and vents.
Hammer down any large nails that are exposed by the removal.
Adhere the joint where the cut edges of the shingles meet the dome.
Measure the length of a shingle as it lies across the roof.
Adhere the shingles adjacent to the flange with roofing tar.
If possible have the shingles delivered via a boom directly onto the roof.
Center a minimum 610 mm 24 wide minimum 28 gauge pre finished galvanized metal valley liner in the valley and fasten with only enough nails to hold it in place nailing at the edges only.
Get the right number of shingles for the job.
You can use a sharp stanley knife to trim away any unwanted overhang at the verge.
Preparing the roof 1.
Many pros shingle in a vertical line up the roof because it s much faster.
Overlap each metal piece by at least 150 mm 6 and use asphalt plastic cement under each section of overlap.
Continue to chalk additional guidelines based on the width of the shingle through at least four courses rows across.
Inspect the underlying roof sheathing for damage and make any needed repairs.
Remove old shingles and.
Secure your roof shingles at the verge with your shingles square to the verge line nail them into place using 20mm large headed clout nails.
It generally takes three bundles of shingles to cover 100 square feet.
Starting at the bottom of the roof map out a guideline with chalk.
Also apply bituminous sealant adhesive to bind the shingles to the detail strip.
Otherwise stack them near the ridge in a way that prevents them from sliding or on a roof jack platform.
Install a layer of roofing insulation as recommended by the roofing manufacturer.
This will help determine how the shingles will lay on the.
Use your chalk and tape measure to mark about 12 inches up on the roof for the first set of shingles.