The first photo seems to show the attachment to the cab and it looks tight. We have a 2003 Itasca and it has the same graphics.
I think ours needs to have the front edges eternabonded too. My caulking job looks a lot like yours. It separates in the same places, although I never thought it was flexing. Maybe it is?
I'm getting the same droop in the trim piece as in your photo. I did the rear edges from the roof to the bottom and all the roof seams but didn't get to the front edges so I just bought the stuff to do it. Will have to wait a month or two while other projects loom. I also replaced the trim screws with stainless. I have to buy more of those too.
As these RV's age, stuff seems to just happen to tear them apart. The result of using them though and not from sitting at least.
