I understand.
You are getting at something John Hamlett has talked about and that is some glues have good adhesion but poor cohesion so the glue as a structural component is not reliable.
But maybe that won't be a problem on this job?
I am going to be using a "professional grade" two component marine epoxy to glue the carbon fiber bars into the truss rod slot on the other side of the neck. This material has very high adhesion, it has solids in it so it has very high strength, and dries hard and the dried material is highly resistant to flex. What is more it bonds to both wood and carbon fiber. It is heavily used in boat construction to glue wood boat hulls below the waterline.
So those two bars of CF that I will fit and glue into the truss rod slot will be "permanent".
Since I have the epoxy I am thinking about doing the entire job with it. Including gluing the fret board back on and also to gluing down this back strap?
Since this epoxy does have very good cohesion it will be less sensitive to the concerns of glue pockets glue because it can also be used as a structural material and a filler. For dang sure that joint will never fail as a result of heat or moisture.
In fact, as the tile of this thread says this is the "final solution". This is one job that I have no concerns over never being able to take it apart again. If this neck ever fails again it is trash.
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