I used water thin CA glue for wood to deal with loose panels. That was in 2009. They are still just fine.
A bungee cord on the bathroom door works for trundling down the road.
Regards, Don
My ride is a 28 foot Class C, 256 watts solar, 556 amp-hours of Telcom jars, 3000 watt Magnum hybrid inverter, Sola Basic Autoformer, Microair Easy Start.