How To Build A Lean To Metal Roof

Use right size of rafters and headers.

How to build a lean to metal roof. Plan ahead and build the roof to the size of the metal panel. When attaching ledger board to an existing wall install proper flashing when required. Design lean to roof per your local building codes. Space rafters either 16 o c.

Measure the height at which the. The preferred spot would place the. Use a 2 by 4 inch board for a short roof up to about 8 feet a 2 by 6 for a longer one. I used aluminum flashing from a 50 ft.

Place the starting panel onto one edge of the roof. For shingles or 24 o c. The gable ends of the roof were also covered with metal roofing material. This is where the supporting post will rest.

I want to use steel posts. Determine where the lean to will be attached to the existing building. I need to build a lean to onto the side of my 50 x 50 shop. I m bookmarking this for later reference.

Cut out a notch on the top of your posts as shown in the image above. Make a ledger board to fasten to the existing wall and support the upper end of the lean to roof. Draw a right angled triangle on a piece of paper that shows the length of the roof and the planned height of the opening. Cut the 6 inch thick lumber into blocks that run the length of the lean to.

How to attach a lean to to an existing metal building step 1. Next place the supporting posts into the notches. You must consider the following. Compute the depth of the shed by taking the square root of the difference.

Measure the width of the outside wall and cut the board with a circular saw to the same length.