If you do not wish to form your own corner flashing you can buy pre bent pieces and cut them to size or use a piece of corrugated aluminum which is easier to bend.
How to install flashing on a roof edge.
Tack the edge in place with a roofing nail every foot or so.
After you ve correctly installed the valley flashing you can install the drip edge which is corner shaped and will be attached with nails along the edge of the roof.
Cover the nail heads with roofing cement and stick the felt down.
Lift the shingles and slide the top flange of the drip edge underneath.
Step flashing on roof peak.
Install the drip edge by fitting it on the roof eave pushing it tightly against the edge of the plywood and.
Measure the length of the eave you need to cover with drip edge using a tape measure.
Select enough lengths of.
The remaining siding on the sidewall will overlap the step flashing and nail.
Drive the nail through the drip edge into the roof surface not through the fascia.
The drip edge should be nailed beneath the builder s felt but over the fascia board.
Roof shingle over step flashing.
Start the installation at the lower edge of the roof and work your way up toward the peak.