75’ x 100’ x 20’ | Clear Span I-Beam Construction I Roof only. Roof Pitch: 1:12. Walls are open – Roof only. ✔️ Roof & Wall Steel Panels. 📐 Building Specifications. ✔️ Primary & Secondary Framing. ⚠️ Final engineering is based onjob site location, exposure, and local building codes.