How To Build A Metal Lean To Roof

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.

How to build a metal lean to roof.

This is where the supporting post will rest. The side of the panel that has a slightly flat side is to place on the roof. Measure the height at which the. Use 1 1 4 inch nails to cover the outline of the roof with strips of metal eave flashing also called edging.

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. Plan ahead and build the roof to the size of the metal panel. Cut out a notch on the top of your posts as shown in the image above.

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. Determine where the lean to will be attached to the existing building. Space rafters either 16 o c. If it is needed cut the metal roof panel to the length you need with tin snips hopefully you don t have too.

Use right size of rafters and headers. When attaching ledger board to an existing wall install proper flashing when required. For shingles or 24 o c. Place corner pieces where panels will meet bends at the edge of the roofing.

Cut the 6 inch thick lumber into blocks that run the length of the lean to. Design lean to roof per your local building codes. The preferred spot would place the.