If you align the shingle.
How to roof overlapping gables.
The next one goes on the low side.
The majority of the metal sheets will go onto the roof whole and intact.
Start by overlapping a starter from both sides of the valley at the bottom.
Staple roofing paper on both gables with a construction stapler and install shingles.
Fold new shingles over the new valley onto the old roof overlapping by at least a foot.
Then your first shingle goes on the side you are going to cut.
As you near the edges of the roof or any points where the roof has gables you may need to cut the sheets to custom fit the space.
Install the drip edge on the gable ends of the roof after you finish installing your underlayment.
Start by applying the drip edge to the eaves of your roof.
Weave and cut the valley on the highest side of the roof.
Finish your gable roof addition tie in by installing siding to match the existing house and fascia and trim boards at eaves and edges.
Use cap shingles or 12 inch shingle pieces to overlap the peaks.
If your eave is one straight length then pick an end and work to the other.
Bend shingles across valleys where one roof line meets another staggering the seams.
Measure and cut the metal sheet panels as necessary before installing them on the roof.
Then nail shingles on the new roof and exposed areas of the old roof.
Use a tin snips to cut the drip edge to size.
Put one shingle across the valley from the left the next row overlapping from the right for instance.
Installing asphalt shingles on a basic gable roof is one of the most straight forward of all roofing projects.