And it is never coming off againPrepped it by using Dow 795 silicone to adhere strips of 3/8 rubber mat to the contact points, while it was still sitting on the sawhorses, and gave it overnight to cure. I am hoping that silicone+compressible rubber mat+sealant at the fasteners themselves is enough of a belt-and-suspenders approach that the holes will never leak. Had a neighbor help me get it up on the van yesterday -And then I monkeyed it up into the air to give room the get sealant behind and under the contact points. Tape help keep the black goo off the paintDropped down and boltingNotch around the front rain gutterTight fitGutter mount, now with speed holesTires on and strappedNeed to get the AC on now, and work out the ducting from the bottom of the AC support rack to the front of the box. Lights too, last ones were the wrong pattern, sold them here, and have new ones winging their way from China as we speak. Going to get it on the road tomorrow to Flagstaff for the closing ski day, we'll see if it feels a bit more top heavy with that load shifted to the roof