Quality Carports offers wainscoting style walls. This is another inexpensive option. Wainscot is a design element which provides for side panels of one color ascending the wall at 36″ height where it meets with a contrasting upper wall color. Think of a colonial style walls with darker color panels on the bottom portion of the wall and a lighter colors on the walls above. The same concept can easily be applied to the end walls of your steel building.