What is the width of the 8 ft. Corrugated Galvanized Steel Utility-Gauge Roof Panel?

Each panel is 25 3/4 inches wide.

Each panel is 25 3/4 inches wide. Now with that said, for siding the Panel offers 24 in. coverage when overlapped 1 corrugation for siding application. When used for roofing the panel offers 21.5 in. coverage when overlapped the required 2 corrugations for roofing application.