On Monday, June 10, 2019 at 7:31:54 PM UTC-4, TravisBrown73 wrote:
There are no adhesives that I know of that would be road-reliable (read, "Not going to kill someone by having a panel blow off at freeway speed")for any amount of time. You would be opening yourself up to a lot of liability there. I wouldn't even try it.

Spaceships and aircraft yes. Trailer at highway speeds, no?? :-)

There's a whole world of adhesives out there that don't come from Home Depot...

https://www.masterbond.com/industrie...space-industry

Above is tongue-in-cheek. As others have said, 3M VHB is widely available and has peel strengths way in excess of any mechanical or aerodynamic load you could put on the panels.

P3