Unfortunately new my Trail Lite 293TS is parked outside and leaking. It was only 8 months old when I first noted the leak. The warrantee manager at R-Vision denied any warrantee on the roof seams after 6 months. Until the dealership has returned from it's winter hiatus I've been watching it drip with every thaw. I don't have a warm place to repair it myself although I tried when it got warm enough that the ice on the roof melted. Other dealers won't quote a repair just time and material.
I have always inspected my roof seams regularly but I never expected R-Vision would do such a shoddy job. I use the best RV caulk, one that says it will work on wet and cold surfaces but apparently it didn't or I did not fix the source of the leak.