Place a whole shingle next to it.
How to shingle a roof using architectural shingles.
After that correctly positionthe first shingle and properly snap a line of chalk across the roof to mark the top layer of the shingles.
Install the drip edge over the gable end felt and under the eaves felt.
Use your chalk and tape measure to mark about 12 inches up on the roof for the first set of shingles.
When laying the shingles for the top row cut 6 inches 15 2 centimeters from the first shingle in the left corner of the roof using the utility knife.
Apply the first real course of architectural shingles so that the tabs reach the lower edge of the starter course.
You can cut the layered edge of architectural roof shingles and use the cut flat piece as your starter roof single.
Attach the starter strip.
Starting at the bottom of the roof map out a guideline with chalk.
Continue to chalk additional guidelines based on the width of the shingle through at least four courses rows across the roof.
How to shingle a shed with 3 tab and architectural shingles.
Roll out and staple down roofing felt in overlapping rows.
Lay the next row of shingles directly on top of the first row making the row two tiles thick.
How to install architectural shingles or better stated how not to install is an explanation of how to and how not to install architectural shingles.
Attach each shingle with three nails one in the center and one each on each side.