Yeah I like that type building Denis4x4. Wish I had room for one.
I went ahead and took out a lease on a commercial storage unit. The room is large like 35' long and 30 feet wide. Has electricity & lights.
The door is a sort of a pain, advertised 10' tall and 10 feet wide. Seems like a narrow-A_ _ 10 feet width when backing in !
My radio antenna touches the rubber on the bottom of the garage door. Its ok, The room is plenty tall I could build a platform over the Airstream to access the roof. Seems dry concrete floor, no chance of floods.
I have to put some wood down to get the tires off the concrete. Its a six month term at a time, I just didn't want the sun and dew every morning working on those fantastic plastic fans and aluminum clear coat. At least I can wax it if I need to. It's 7 miles from the house. DW was actually sad when we took it to storage.
Have a good one !