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...
If further stiffening seems necessary, screwing a long strip of steel along the edge of the plywood would help. A C channel that is 3/8" inside would be sweet, but likely hard to find. Perhaps a square 3/8" steel tube ..