First snap a line for the top of the.
How spacing roof shingle.
Imbed each step flashing in a 75 mm 3 wide application of asphaltic plastic cement and nail in place.
When nailing the shingle do not place any nails closer than 6 from the valley center.
With laminated shingles place four to six quarter sized dots spaced evenly about one inch above the bottom of the overlapping shingle.
Snap horizontal chalklines to help you keep the courses straight.
Then the end of each shingle overlapping a step flashing must also be well embedded in plastic cement.
How to do it prep work space.
Understand the basic patterns.
As on the other shingles use 4 roofing nails on each shingle.
Install a starter strip.
Stagger each course to achieve the half pattern.
Consider four and five.
Each flashing should overlap the one below by at least 75 mm 3 but not be visible below the shingle top lap.
Most metal shingles will be attached to the roof using metal shingle.
If possible have the shingles delivered via a boom directly onto the roof.
For three tab shingles place two quarter size spots of plastic roof cement under the lower corners of each tab as shown in figure 2 7.
Using alternate patterns 1.
Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps.
All the other patterns work in essentially the same way offsetting.