How To Build A Lean To Metal Roof

I used aluminum flashing from a 50 ft.

How to build a lean to metal roof.

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. 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.

When attaching ledger board to an existing wall install proper flashing when required. If it is needed cut the metal roof panel to the length you need with tin snips hopefully you don t have too. You must consider the following. Cut the 6 inch thick lumber into blocks that run the length of the lean to.

For shingles or 24 o c. I m bookmarking this for later reference. Compute the depth of the shed by taking the square root of the difference. Make a ledger board to fasten to the existing wall and support the upper end of the lean to roof.

Use right size of rafters and headers. The preferred spot would place the. Roll between the garage wall and the shed roof. The side of the panel that has a slightly flat side is to place on the roof.

Space rafters either 16 o c. Use a 2 by 4 inch board for a short roof up to about 8 feet a 2 by 6 for a longer one. Measure the width of the outside wall and cut the board with a circular saw to the same length. This is where the supporting post will rest.

I want to use steel posts. How to attach a lean to to an existing metal building step 1. Next place the supporting posts into the notches. Place the starting panel onto one edge of the 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.