21 feet
Door
6 foot wide by 6 foot 8 inches tall
24 to 96 feet (in 6-foot increments)
Roof cover
clear or white 6 mil. UVI treated polyethylene
6 feet
End wall cover
clear 6 mil. UVI treated polyethylene
11 foot 4 inches
Frame
2" O.D. 14 gauge galvanized steel tubing
6 foot
Ventilation
Slide-Side or Roll up sidewalls