A single wall of preformed (corrugated or ribbed) metal sheet siding attached to the exterior of a skeleton steel frame.
Wall girts, and windows and doors appropriate to the given occupancy and overall building quality.
Sheathing, which you can add using one of the following components for sheathing:
Consider the following when selecting a quality:
Quantity and quality of windows and doors.
Quality of material and workmanship of exterior and interior wall finishes.
Enter the following for this component:
Wall Area (Square Feet)
Exterior Walls