After the shed roof framing is complete finish the lean to along with any part of the existing roof from which you ve removed shingles with new shingles to blend the lean to into the old roof.
How to shingle a lean to shed roof.
Measure up the width of a full shingle from the drip edge and make a mark at each end of the roof.
Fitting the roofing sheets cut the roof sheets from 3 4 plywood and then attach them to the top of the shed.
Install asphalt roofing on storage shed.
Here s how to use flashing along the top edge of a lean to shed when finishing the top row of shingles.
Place the first panel on one end of the roof and secure it to the sheathing strips top and bottom with a screw gun and galvanized steel or aluminum screws depending on the type of roofing metal with plastic washers on them.
Remove sections of siding immediately adjacent to the top edge of the roof.
Cut the panels for the lean to roof ends and then attach them into place tightly.
Shingles in the design of your choice when choosing shingles its best to match it with the rest of the shingles on your roof for a more uniform look throughout.
Lay the last ridge cap shingle in the center of the shed roof on top of the exposed adhesive portions of the two center ridge cap shingles.
Align the edges flush and insert 6 8d nails.
A couple of galvanized inch nails to hold all the shingles on the roof.
Secure the last ridge cap shingle with four nails at the corners of the shingle and cover the nail heads with roofing cement.
Nail the shingle in place with four nails so the shingle overlaps the drip cap on the end and bottom of the roof by 1 2 to 3 4 inch.
Finish the shingles up to the top edge of the lean to as described in steps 1 5 above.
Cover the lean to roof with corrugated metal roofing.