next step was to put the rear windows, I pulled those out of a Mercedes Van wreck, at a scrapyard, as I wanted windows with a DOT number one, still unsure if I wanted to let the truck be titled as a commercia vehicle, or let it title as a RV.
Before that, I had to remove the rear door and put in a fixed wall, made out of a wooden structure and "bakelite" ply, the kind of ply used in concrete building.
Bakelite plywood. Integration Middle East - F.Z.C. Construction wood, Wood finishing materials