Begin by measuring from your extended fascia to the peak of the shed.
Framing a lean to roof with overhang.
Roof framing plan cut the six 2x6 rafters following the rafter template.
Once cut check to make sure the two lengths of 2x4s meet uniformly at the roof peak.
Mark the rafter layout onto the wall plates and ledger as shown in the roof framing plan then install the ledger flush with the back side of the rear wall.
Do the same for the other side.
Lean to shed roof framing.
Design lean to roof per your local building codes.
For shingles or 24 o c.
Use 1 2 plywood for the roof sheets.
The lower end is done the same way a skillion or shed roof is.
When attaching ledger board to an existing wall install proper flashing when required.
Space rafters either 16 o c.
Leave no gaps between the sheets and align everything with attention.
Drill pilot holes and insert 1 5 8 screws every 8 along the framing.
Notch a birdsmouth where it sits on the low wall and extend it past the wall for the eaves.
A lean to roof just means it s attached to an existing structure.
Attach the ledger with 1 2 inch diameter lag screws or bolts every 16 inches or as specified by local building codes.
Make cuts to the sheets and lay them on top of the roof structure.
Use right size of rafters and headers.
If it is needed cut the metal roof panel to the length you need with tin snips hopefully you don t have too.
Use this measurement to cut a length of 2 4 making sure that one side of the board is miter cut to match the peak of the roof.
Use a razor blade to cut it and have it the size of the roof.
Temporarily nail or brace the ledger in place positioned and leveled at the desired height.
Cut the 2x6 ledger at 70 and bevel the top edge at 26 5 degrees so the overall width is 4 5 16.