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...
I kinda figured that aluminum ribs were was the construction and that spreading out (e.g., crawling on your stomach) would be wise (I am 245 lb).
What sheathing material (like plywood or oriented strand board sheathing atop typical residential roof rafters) lies just between the rubber roof film and the lateral rafter-like aluminum ribs?