How Posts To Support A Roof

Porch decks also require larger footings than deck footings.

How posts to support a roof.

For a freestanding roof begin with the corners and then erect all of the intermediate posts. For a house attached overhead measure cut and erect the posts that are farthest from the house first. Always check the local codes. The main structural members of patio and deck overheads are posts or columns and beams which run from post to post or from post to ledger.

Most deck roofs require separate footings from the deck to support the weight of the roof throughout the seasons. Slowly raise the jack until the top of the boards come into contact with the bottom of the roof. Your porch roof will need to have a lot of support in order for it to stay up through the seasons. Leave extra length to be sure you have enough.

Removing the old porch column if your column is attached to a railing system you will need to detach the rail from the column to proceed. How to support a porch roof. Continuous posts from the roof to the footing transfers the roof load to the ground rather than the deck this only makes sense and then the deck itself should be supported on a beam by separate posts. Cut beams to fit.

The beams support the roof rafters or joists which in turn hold the roofing material. Determine how much support is needed. A good rule of thumb is to be sure it will be as high as the tallest person or vehicle who plans to use your carport. These will be reference points for the installation of the new column.

Stand the nailed 2 by 4s on end on top of the jack with an assistant s help. This post and beam design is secured with a post cap. After the temporary roof support is in place use the chalk to mark the footing of the column as well as where it attaches to the roof. They should be at least 101 inches long.

For a roof six foot five inches your posts should be six feet five inches plus the 24 inches of the post that will be planted. This will support this.