You can cut the layered edge of architectural roof shingles and use the cut flat piece as your starter roof single.
How to install architectural shingles on curved roof.
After that correctly positionthe first shingle and properly snap a line of chalk across the roof to mark the top layer of the shingles.
To lay out the design for the shingles begin at the bottom of the roof and place a tape measure inch from the edge of the roof to ensure the shingles overhang the drip edge.
If you are thinking of installing shingles on your roof then you should think of installing architectural shingles as these can provide a great look to your roof and exterior.
Nail down the shingles as you go along.
Use your chalk and tape measure to mark about 12 inches up on the roof for the first set of shingles.
Mark a chalk on subsequent roof layers upward.
Continue installing rows of shingles up the roof in the same overlapping offsetting manner following the contours of the roof.
Every 5 inches make a new mark until you get to the rop of the roof.
Snap vertical chalk lines from the cone tip to the eave center on each of the flat sides.
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.
Do this on both sides of the roof.
Before you install your first shingle use your utility knife to cut 6 inches off of the side then lay it on your roof allowing the architectural shingles to hang between 1 2 to 2 inches over the edge.
Instead of one layer laminated or architectural shingles have two or more layers with three dimensional tabs of varying sizes.
Mark 12 inches up on the roof for the first course of shingles then mark every 5 inches all the way up the roof to set your reveal.
The shingles are usually the same size as the basic three tab but a laminated shingle can weigh up to 50 percent more which may increase durability and come with a longer warranty.
Place a whole shingle next to this one making sure to nail each shingle to the roof before placing the next.
Apply a cover of starter architectural shingles.
Use a standard hip and ridge shingle to complete the hip joints.
As the roof is curved you won t need to cut shingles for a roof ridge.
Use extra nails if necessary to keep the shingles flush with the curved roof.
Lay the next row of shingles directly on top of the first row making the row two tiles thick.
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.
Having this type of shingles on your roof can also add to your property value more than the traditional shingles.
Repeat this on both sides of the roof.
Place a whole shingle next to it.