This system assembles, for example, the wall framing, exterior skin, insulation and interior skin into a single unit using contact adhesives. The parts are joined by vacuum pressure or mechanical pinch-roller methods. Lamination has the advantage of eliminating visible exterior fasteners and it produces very strong wall, floor or roof assemblies. However, delamination, the rare occasion when the adhesive fails, was a problem in the past, and can be difficult to repair. Modern construction adhesives have all but eliminated this problem.
Roofs can be aluminum, fiberglass or EPDM rubber.
Each material works well as a roof covering and can deliver long, reliable service. The cabinet construction material generally corresponds to the RV's price level, but again, even the least-expensive materials can be a good value if it's built well . Regardless of the construction materials used, many questions about the RV assembly issue can be answered by your own power of observation when shopping for a new unit. Look past the glitter and the new fabric to really see how the vehicle is built. Pull out a couple of drawers and look back inside the cabinets.