Like any extension building a lean to extension starts with preparing the ground and laying the foundations.
How to build a lean to roof on an extension.
Design lean to roof per your local building codes.
This is how to build a lean to on your backyard for cheap and very simply.
Sep 21 2017 how to build a lean to roof do you want an extension on the side of your home.
In your desired area strong foundations will need to be laid for the conservatory structure so your extension will be properly supported.
Secure those two sides with temporary diagonal cross bracing using two 1 x 4 boards.
When attaching ledger board to an existing wall install proper flashing when required.
I needed to construct that lean to in order to store future motorcycle projects an.
From this existing post measure 3 feet distance in the same line dig a hole and drive the second post in.
A change in roof pitch between the existing building and the lean to or the lean to high side being lower than the existing structure can result in snow drifting and snow.
If the lean to is enclosed on the low eave side the new lean to roof outside columns must now carry the wind load against the top half of the new wall plus the entire roof.
Plumb two adjacent sides of the post to confirm the post is level.
Use right size of rafters and headers.
Drive a wooden stake into the ground next to each board.
For shingles or 24 o c.
Space rafters either 16 o c.
Measure 8 feet from the existing structure towards the outer direction and dig a deep hole to drive the post in.