The rotted part is not structural supportive appears to be just decorative.
How to repair rotted roof trusses.
If these have only small portions with rot you can repair using the boards.
Check the old trusses.
If the old.
The trusses needed to be lifted to their original height and cut flush with the inside face of the cmu wall with the rotted sections removed.
Cover the seams between the old and new decking with bitumen tape.
They are a frame shaped trusses.
The engineer s recommendations were specific.
If the roof truss has a small crack you will be using the two wooden boards to patch it up but if the crack is much more severe you should use the steel plates because they offer much stronger support to the damaged truss.
The first thing you need to do is to assess the damage.
Staple it to the roof decking or nail it with plastic capped roofing nails.
Remove weak spongy wood preserve and protect wood wi.
Once you repair the hole in the roof plywood you need to seal up the seams and recover the roof.
To reinforce the ends of the trusses 3 4 inch plywood gussets were to be attached to both sides of each truss with 10d nails 3 inches on center on all chords.
How to repair rotting garage trusses.
The basics of the process are as follows.
Inspect and assess the damaged section of timber and determine where it needs to be cut to prop the timber along it s length using suitably sturdy props such as acro props once supported cut off the damaged end leaving only solid un damaged timber now.
The ends of the trusses are rotted out.
Lay felt paper onto the roof overlapping the existing paper to get good coverage.
The truss ends are covered by roof but their underside is exposed to the elements.