Big Garage Features All Weather Protection Starting with high grade steel. Every frame pipe and connector goes through a proprietary 13 step Rhino Shield surface preparation process The heavy duty 2-3/8″ diameter all steel frame is bonded with Dupont thermoset baked on powder-coated finish prevents chipping, peeling, rust and corrosion. Solid 8 rib design, complete with slip fit connectors and swedged tubing for easy assembly. Bolt hardware at every connection point ensures a solid structure. Rugged Ratchet Tite tensioning for quick and easy cover installation.