This will help determine how the shingles will lay on the.
Placing shingles on roof.
Starting at the bottom of the roof map out a guideline with chalk.
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.
Remove old shingles and.
Using the chalk line snap a line between the two marks to get a straight edge.
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Lay a starting row at the bottom of the roof along the edge.
Pull the drip edge down about a half inch from that line to.
Not only that the shingles can be piled just to the side of the column being laid.
What you need power nailer or roofing hatchet tape measure roofing shovel or flat pry bar hammer drill carpenter s square straight cut tin snips utility knife chalkline broom.
Installing roof shingles in 11 steps.
Use your chalk and tape measure to mark about 12 inches up on the roof for the first set of shingles.
That s also why building codes commonly limit re roofing to no more than two layers.
Preparing the roof 1.
Overlap each metal piece by at least 150 mm 6 and use asphalt plastic cement under each section of overlap.
Measure the length of a shingle as it lies across the roof.
Ask this old house general contractor tom silva reveals the best ways to secure shingles to a roof.
Continue to chalk additional guidelines based on the width of the shingle through at least four courses rows across.
Get the right number of shingles for the job.
This saves a lot of time moving shingle bundles and a lot of back strain.
After completing a column the roofer can go back down to the eave edge of the roof and start laying the next column of shingles.
It generally takes three bundles of shingles to cover 100 square feet.
To start installing shingles line up aluminum drip edge flush with the edge of the roof and make a pencil line at the.