what does that have to do with the question at hand?
probably as much as my post. lol.
sorry dude cant help.
except to ask. what about a rolling cover?
Note the signature on the previous post. It's a company that sells covers and I'm a sure buyer.
I looked at the rolling covers but they look to be much more difficult to remove if you need the clearance (which I might with the fifth wheel). The G2 is held on by two thumb screws. Pop them off and the cover comes right off without disturbing the rails. I don't think you can do that with a rolling cover.
It's hard to tell from the pictures, but it looks like the Bak sits flush with the top of the bed and the Extang sits above the bed by an inch or two. Is that correct or just the angle of the pictures?
If you get Solid Fold, your tailgate cap (if you have one) needs to be fairly smooth all the way across the tailgate. If you have a patterned cap, the Solid Fold's seal may not seal well against the tailgate and thus will not seal out water. The seal is not very "beefy". We've run into this problem a couple of times.