2x4 interior crosswalls with roof pitch built into the walls. Walls have OSB liner. 24" vented soffit on sidewalls and 12" on gables. (26) 9' x 8' Roll-Up doors, (4) 10' x 8' Roll-Up doors, (4) 10' x 10' Roll-Up doors. 2" roof insulation. Concrete floor with grade beam.