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 shingle a shed type roof.
Place one nail at each corner a little way in from the edges and then one if not two in the middle.
How to shingle a shed with 3 tab and architectural shingles.
Begin shingling at the bottom edge of the roof starting at one end.
How to shingle a shed roof step 1 installing drip caps.
Roll out and staple down roofing felt in overlapping rows.
Start installing roof shingles.
Step 2 staple the felt to the sheathing.
Roofing shingles come in strips that are generally about 3 feet long and 8 or 10 inches wide.
Install drip caps along the bottom edges of the roof called the eaves.
Attach the starter strip nail down the shingles in an overlapping pattern that covers seams and nails.
Lay the entire first row one at a time nailing each down with one inch roofing nails.