In order to make your roof water tight and to eliminate wind infiltration first place tar on the bottom edge of the roof and lay a row of roofing shingles upside down all the way across the bottom of the roof.
How to fix shingles to a shed roof.
I do this on my shed but these basic principals can be applied to your house as well.
But they fall into 3 basic categories.
Types of shed roof repairs.
Place the hexagonal tab of the next shingle and point it to the front directly over the first shingle.
Outer layers such as shingles and underlayment sheathing or plywood and roof rafters.
These tabs form your capping.
Position a three tab shingle at the bottom left hand corner of the roof so that it covers the starter shingles and nail it into place.
At the ridge cut the shingle strips into single tabs.
Roofing shingles come in strips that are generally about 3 feet long and 8 or 10 inches wide.
Use four to six nails to attach each shingle.
Start installing roof shingles.
Shed build time lapse.