Ok thanks. I have Eternabond and thought about using it. Just not sure if I should cover the whole corner rail (rubber gasket and all) or just the edges and leave the gasket exposed (if this makes sense).
I wondered what the factory might use on those corners. Whatever it is seems to suck.
'14 Sunset Trail 290QB
Towed by a '15 Ram 2500 6.4 Hemi 4x4 CC
Equalizer 1200/12K (just because I still have it)