Its adjustable. All my bikes are XL, so I would lower the seat all the way, and lower the bed until it was right above the seat. You have 4 height settings you can program, so the lowest, so I had one for low with the bike and one without bikes. As for you other question, this is what they specify... The floor is marine-grade vinyl.
Fully finished Ford Transit interior. Sound
dampening, 3M Thinsulate thermal and acoustic
insulation, Birch wall kit, professional upholstery in
fabric color of your choice. AVC patent-pending
insulated floor system, custom entry step, and
powder coated floor trim. Ceiling in wood