The exposed beams should be repaired or replaced.
Replacing roof beams.
Remove weak spongy wood preserve and protect wood wi.
This will protect the original porch.
Use a circular saw to cut two sets of new rafters from the same size wood by the same dimensions.
Start by fastening temporary wood blocks to the rafter tails image 1.
With the old beam uncovered the temporary beam can be placed on the braces you ve made images 1 and 2.
Wood beams are used to support a bearing load from a roof or second floor.
They can span as much as 20 feet and many times they can be doubled as decorative pieces.
The good news is that there s no hurry.
You can now remove the temporary support wall.
Use your tape measure to record the distance of both rafter legs.
The roof is not going to collapse nor is the house going to fall down.
Measure the dimensions of the old rafters beneath your roofing surface.
Replacing a dry rotted beam is not a difficult task if you follow the tried and true methods listed below.
How to repair a sagging support beam step 1.
Repeat the process for the joist beneath your old roof rafter.
This video shows from start to finish the repair of rotted endbeams on a house using the endrot system.
The next step is to.
Along the top toe nail the beam to each ceiling joists.