Galvanized Steel Floor Joists . Developed by engineers, the catalogs contain design data. In accordance with the standards set by the steel joist institute. 8 Images Galvanized Steel Floor Joists And Review Alqu Blog from alquilercastilloshinchables.info Deck builders and building officials occasionally react to this by asking why g90 is okay for framing, while g185 (1.85 ounces of zinc per square foot) is required for framing hardware. Strength where you need it most: Sorry, we have detected unusual traffic from your network.