timely thread...I'm getting ready to install my new panel over the weekend if all goes as planned.
I'm really hoping my plan will let me bypass that concern ryancousins had in the original post here.
I have the rvroof.com product on my roof, so no caulk up there. They said they'd re-spray the panel mounts for a fee...sounded like it might be a couple hundred or so...
At first I was planning to do it so I can maintain my "leak free" and "nearly" maintenance free roof...Also it would add tremendous strength to the connection.
Because of that, I ordered some taller brackets from ebay, just like the ones that Renogy provided except stainless steel and taller. I went with them because if I have rvroof.com spray them on they'd essentially be permanent...and if I ever needed to remove the panel it would be a royal problem to get at the attachment screws and nuts on the underside. The taller brackets give more room to work.
...but scheduling it, the hassle of dropping it off and picking it up had me rethinking the need to spend that extra money.
I have some double stick eternabond and some butyl tape left over form previous projects. Plan at the moment is to clean the roof, then stick the brackets down withe the doublestick eternabond, then screw through that.
I have the drawings from Thor, and along with my stud finder I think I have been able to locate the aluminum structural tubes. the spacing should allow me to get one of the two screws for each bracket into that aluminum. I'm hoping it will grab tight so I can skip the second screws into the thin luan ply. Then I'll seal the whole thing up with dicor.... or I might put a layer of eternabond web seal over the screws, then the dicor over that just to protect the webseal.
I appreciate the posts here reminding me to do the final screw turns by hand! Something I have always known but rarely seem to ever do!