My garage is 23’ 3”L and 18’5”W
The roof joists run widthways and so are each ~10” long. They meet in the middle and rest on a beam made of two sets of three 2x12s that run end to end down the centre.
Because of the length they need centre support so they rest on a 6x6 wooden pillar.
I’ve investigated putting long steel plates on each side of the beam and through bolting it but I’d need an engineer to look at it before I’d be comfortable doing that.
Also toyed with replacing the 2x12s with a steel beam.
Haven’t done anything about either idea.
Right now my lathe and mill sort of cluster around the pillar. In the cluster that is my garage.
You can see the pillar in this photo.
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