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.
How posts to support a roof.
They should be at least 101 inches long.
These will be reference points for the installation of the new column.
Slowly raise the jack until the top of the boards come into contact with the bottom of the 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.
Your porch roof will need to have a lot of support in order for it to stay up through the seasons.
How to support a porch roof.
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.
For deck roof posts dig holes for the roof posts and pour cement to keep them secure.
Always check the local codes.
Cut beams to fit.
Stand the nailed 2 by 4s on end on top of the jack with an assistant s help.
Determine how much support is needed.
Most deck roofs require separate footings from the deck to support the weight of the roof throughout the seasons.
Porch decks also require larger footings than deck footings.
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.
This will support this.
Continue installing porch.
For a house attached overhead measure cut and erect the posts that are farthest from the house first.
Minimum sizes of posts and beams are set by engineering requirements and are strictly governed by local building codes.
This post and beam design is secured with a post cap.
The beams support the roof rafters or joists which in turn hold the roofing material.
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.