How to repair a sagging support beam step 1.
How to repair sagging roof on porch.
Attach it to the beam with carriage bolts but do not tighten completely.
Start by fastening temporary wood blocks to the rafter tails image 1.
Install angle iron with the joist back in its original position place one section of the angle iron on the uppermost section of the rafter just before the area where it is sagging or broken.
With the old beam uncovered the temporary beam can be placed on the braces you ve made images 1 and 2.
The next step is to.
This will protect the original porch.
First use your drill to drill four holes in each side of the l.
Well it turns out that fixing the sagging roof issue on my front porch was way easier than i had thought it would be.
To get your truss or rafter back into shape you can use a steel l channel.
The sag wasn t horrible but it was definitely noticeable and it bugged the heck out of me every time i looked at it.
I thought it was going to be some semi major construction removing the existing sagging beam and replacing it.