So, I noticed that KZ totally cheaped out on the front roof-to-cap seam on my '17 Durango 1500. Silicon bead along the seam, covered by a 1+" wide seam of Dicor, EXCEPT for a gap of 3-4" at each end,...
I used Eternabond on our last travel trailer prior to purchasing our current fifth wheel. I applied it after the first season of camping and we never had an issue with water in 7 years of ownership. Only periodic roof maintenance was required. I did the self leveling Dicor thing with our first camper and the Eternabond is a winning hands down from being relatively maintenance free. I'll likely be doing the major seams on the fiver this fall with eternabond tape.