I'm in New Jersey, cold winters and hot summers, probably above average humidity too. Patching the ceiling won't work for me, the wrinkles are everywhere and I don't want to keep fixing it, I guess I'm replacing the entire ceiling. We're looking to get a larger 5th wheel toy hauler, I need to fix this first so I can sell it. Still no call back from Forest River, curious what they have to say.
2017 XLR 29 HFS
2008 GMC Sierra Crew Cab Duramax