Metal Carport Covers for RV are available in different sizes and colors at the lowest price in Douglasville. You can book an order online on GA Portable Buildings. See our carports sample by visiting the website. We have many samples of different covers. The price depends on your selection such as size, color, and panel. The default dimension is 18′ wide x 31′ long x 12′ leg height x 15′ 2" peak height. For prices visit us.