Space rafters either 16 o c.
How to build a metal lean to roof.
This is where the supporting post will rest.
For shingles or 24 o c.
Cut the 6 inch thick lumber into blocks that run the length of the lean to.
When attaching ledger board to an existing wall install proper flashing when required.
How to attach a lean to to an existing metal building step 1.
Plan ahead and build the roof to the size of the metal panel.
Measure the height at which the.
Place corner pieces where panels will meet bends at the edge of the roofing.
Cut out a notch on the top of your posts as shown in the image above.
The side of the panel that has a slightly flat side is to place on the roof.
Design lean to roof per your local building codes.
Things you ll need ledger board 2 by 4 inch or 2 by 6 tape measure circular saw long screws screw gun level 2 by 4 inch rafter boards framing nails hammer 1 by 4 inch strip sheathing corrugated metal roofing steel or aluminum galvanized or aluminum screws with plastic washer tops metal flashing.
Use right size of rafters and headers.
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.
Place the starting panel onto one edge of the roof.
Compute the depth of the shed by taking the square root of the difference.
Draw a right angled triangle on a piece of paper that shows the length of the roof and the planned height of the opening.
Next place the supporting posts into the notches.
The preferred spot would place the.