Home - Blog - Metal Buildings - Steel Building KB 7 24X14X14-12X12 Doors-36X80Door-12-Foot-Wide-Lean-to Steel Building KB 7 24X14X14-12X12 Doors-36X80Door-12-Foot-Wide-Lean-to / Metal Buildings, Steel Buildings / By keensbuildings Steel Building Specifications: 24x41x14 (2) 12×12 doors (1) 36×80 door (1) 12′ wide lean to