The information contained within this manual is intended to serve as a guide to illustrate certain methods, which may be used by Design Professionals, Contractors and Retrofit System Installers. It is believed to be true and accurate at the time of printing. Certain specifications may be subject to change and specific components may vary slightly in appearance from those pictured. Depending upon specific requirements, adaptation, modification and/or production of custom components may be necessary. If you have any questions relative to your particular application, please contact McElroy Metal Technical Service Department to ensure that you have the most current information available