I had three bubbles on my 2011 Rockwood near the back "ROLL DOWN". Forest River said this was normal and would eventually disappear. One was about 3" DIA & stood up about 3/8". With time, all have disappeared.
Sid, Lois & HRH MISSY Terrible 2s SHIH TZU
2011 ROCKWOOD 8285 WS
2014 F-250 KING RANCH PS/SD/6R140/BFT
BOLIY PRO 3600SI GEN
DAYS CAMPED 2016 57 DAYS