Steel Ford Chassis. The coach frame is welded aluminum with the front section designed as a collision cage. The floor is steel covered with a rubber laminate sound proofing. The roof and end caps are one piece fiberglass composite. The walls are synthetic composite. The interior finishes are synthetic except for the cherry cabinets. Unlike most RV's, there is no wood in the coach except for the cabinets. The interior roof over the cab has a bed platform that lowers over the seats with the push of a button.