Can the 8 ft. Corrugated Galvanized Steel Utility-Gauge Roof Panel be used as a exterior siding on a vintage travel trailer?

Yes, it can be used as exterior siding.

Yes. The 8 ft. Corrugated Galvanized Steel Utility-Gauge Roof Panels are 25-3/4 inches wide. We recommend 1 corrugation overlap when using panels in siding applications, therefore giving you 24 inches of coverage.