Determine how much support is needed.
Porch roof support repair.
This will protect the original porch.
Use a reciprocating saw to cut the top of the post free from the overhead.
Your porch roof will need to have a lot of support in order for it to stay up through the seasons.
The porch decking is cut out and a pvc shim is installed beneath the post location.
Repeat this procedure so that all the columns look exactly the same and have the same dimensions.
With the old beam uncovered the temporary beam can be placed on the braces you ve made images 1 and 2.
If not repaired or replaced a structurally deficit porch column may no longer support the porch roof causing extensive damage.
Lift the overhead structure slightly with the jack and install the repaired post.
Start by fastening temporary wood blocks to the rafter tails image 1.
Temporarily support the porch roof on either side of the rotted post with a hydraulic jack and a long 2x4 post.
For larger porches such as wrap around porches you will want to make sure that the support is more than you need.
Two coats of quality paint finish the repair.
The larger the roof is the more support that you are going to need.
Repeat from the other end of the porch.
On this page we share ways to repair your porch columns depending on the amount of decay or damage to a wood porch column you have options ranging from wood restoration products such as liquid wood and epoxy and others to actually replacing part of the column.
Draw a line around the column about 2 inches above the rotted area and install a temporary brace under the deck porch or roof.
Put a stake there in the grass.
How to repair a sagging support beam step 1.
Unscrew and remove the handrail attached to the rotted porch post.
How to repair a rotted porch post 1.
Then measure on the ground out in front of the porch from one corner taking the tape measure to half of whatever the height of your eaves was.