I have a 2008 Dutchmen express that i keep under carport when not in use.Went out the other day and seen some side delamination so i started to hunt for a leak and did not find one .I just re done the...
No idea where your delamination is, but on a Class C you can get non leak related delamination where the cabover meets the rest of the house as a result of flexing in that area.