If a roof slope exceeds this limitation the shingles should be applied by the following recommended method complying with astm d4586.
How to shingle a 45 degree roof.
The maximum slope considered suitable for normal shingle application is 45 degrees or 12 per foot.
Use your chalk and tape measure to mark about 12 inches up on the roof for the first set of shingles.
It was a little scary up there as my feet kept sliding.
Asphalt roofing shingles simply rely on the force of gravity to shed water from rain or snow melt.
Nail each side of the cap shingle into the roof.
What methods can a person use to safely repair a roof that is slanted at a 45 degree or greater angle without using roof jacks.
Start at the end and move in and down.
Starting at the bottom of the roof map out a guideline with chalk.
Set the first shingle of the second row back a half tab 6 inches 17 centimeters from the edge of first shingle on the first row and so that the bottom of its tabs just touches the tops of the cutout slots on the shingle below.
Lay the second row of shingles.
I need to trim some branches thanks.
In the dictionary to shingle is.
Understand the physics of how a sloped shingle roof works.
If no ridge vent is present use your shovel to remove the shingle cap on the ridge.
If the roof shingles and all accessory roof components are arranged and overlapped with this in mind the roof should successfully shed water.
Starting at the ridge use your shovel to pry off old shingles.
It comes as a set that includes a rope roof anchor harness and lanyard for adjusting the tension of the rope.
Place the ridge cap shingles over the roof ridges.
Is there anyway it is possible for a person to safely walk on such a roof or would the chance of a fall be too great.
How to stay on a 45 degree composition shingle roof without sliding down.
Continue to chalk additional guidelines based on the width of the shingle through at least four courses rows across the roof.
Place and nail the shingles from the bottom of the roof to the top.
Do this by sliding hard under the layers of shingle and paper then pry upward.
I kept sliding today when i got up on the roof to trim branches and i figured there has to be an easier way to stay on the roof.
The cap of each shingle should fall evenly in half over each side of the ridge.