Originally Posted by TheHubbardBus
Seems rivnuts would be useful for something you plan on removing more than once. Is that the case?
We're doing something similar w/ unistrut, but it will support both panels & a catwalk. My plan was to simply bolt through the roof into the ribs, & seal with 3m 5200. Of course we have access to both sides at present (gutted).
Yeah, I’m starting to think through bolting through the ribs is probably a better way to go. I saw on McMaster Carr sealing washers. I thought that I will through bolt with a carriage bolt, then the sealing washer on the outside, then some sealing stuff (sikaflex?), then the unistrut, a lock washer, and a nut