I just bought a Trail Lite B+ 211s with 8.1 Chevy engine. This is my fifth motorhome (others range from an old 20' Vagabond, and three Winnegagos, from 19 to 32'. This vehicle is fantastic. I am...
Haven't had 'em (yet?), but I would say there is a lot of spray foam filler and a few spaces where outside storage compartments leave openings to inside areas.
BTW, Monaco bought RVision's B+ operations to build Holiday Rambler labeled Trail Lites - a measure of their value, I suppose.