From RV size to just enough room for some file boxes. At Barnwell, there's no wasted space because you can customize your space requirements. Here are our standard sizes:
 

15'  x 55' x 14'
 

20' x 30' x 12', 25' x 30' x 12, 40' x 30', and 50' x 30'
 

5' x 10', 10' x 10', 10' x 15', 10' x 20'
 

10' x 15', 10' x 20'