If it is needed cut the metal roof panel to the length you need with tin snips hopefully you don t have too.
How to build a metal lean to roof.
Place corner pieces where panels will meet bends at the edge of the roofing.
When attaching ledger board to an existing wall install proper flashing when required.
Draw a right angled triangle on a piece of paper that shows the length of the roof and the planned height of the opening.
Design lean to roof per your local building codes.
Cut out a notch on the top of your posts as shown in the image above.
Use 1 1 4 inch nails to cover the outline of the roof with strips of metal eave flashing also called edging.
Next place the supporting posts into the notches.
Use right size of rafters and headers.
This is where the supporting post will rest.
Cut the 6 inch thick lumber into blocks that run the length of the lean to.
If there are gutters installed on the eaves the eave flashing should be installed to overhang the lip of the gutter by about 1 2 inch.
Plan ahead and build the roof to the size of the metal panel.
Place the starting panel onto one edge of the roof.
How to attach a lean to to an existing metal building step 1.
For shingles or 24 o c.
Compute the depth of the shed by taking the square root of the difference.
The preferred spot would place the.
Space rafters either 16 o c.
Measure the height at which the.