The previous owner of a house I’m working on cut out several internal webs from three consecutive roof trusses to create storage space in the attic. There’s no sign that this has caused any structural problems so far, but I’d like to replace the missing members and fasten them with plywood gusset plates and construction adhesive. Is this feasible, and does this sort of seat-of-the-pants field repair expose me to any legal liability?
A. JLC staff responds: A “seat-of-the-pants field repair” will expose you to liability, should the repair ever fail. That said, field repairs can be made, and they probably would resemble something like what you have suggested. Ideally, an engineer affiliated with the truss manufacturer that produced the trusses would design a suitable repair....
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