How To Build A Lean To Roof On An Extension

For shingles or 24 o c.

How to build a lean to roof on an extension. Sep 21 2017 how to build a lean to roof do you want an extension on the side of your home. 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. Space rafters either 16 o c.

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. Use right size of rafters and headers. Fasten each 1 x 4 board to a stake and to the post using easily removed nails or screws. In your desired area strong foundations will need to be laid for the conservatory structure so your extension will be properly supported.

This normally involves laying a concrete base or creating wooden foundations. Drive the post in and fill the hole with concrete to set it in place. Measure 8 feet from the existing structure towards the outer direction and dig a deep hole to drive the post in. This is how to build a lean to on your backyard for cheap and very simply.

Design lean to roof per your local building codes. 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. Plumb two adjacent sides of the post to confirm the post is level. From this existing post measure 3 feet distance in the same line dig a hole and drive the second post in.