This should give you a 1 inch overhang on the eaves including the top edge.
How to install rolled roofing video on a flat roof.
When compared to shingles rolled roofing is far cheaper and much easie.
This is a long video but it will show you how to do it.
Make sure you offset yo.
Visit your local hardware store and ask for enough rolled roofing to fit the area of your roof.
Prepare the roof by tearing off the old shingles or by preparing for a reroof.
Apply rolled roofing rolled roofing has become more and more popular in recent years.
How to remove repair and install a flat roof.
Working with a helper expect to spend half a day installing flashings and roll roofing for a 700 square foot roof with modest complications.
For a flat or nearly flat roof use double coverage although a torch down modified bitumen or epdm roof is a better solution.
And tie it into your hip roof.