Create a more enclosed shelter with the Red Mountain Valley 20 x 12 x 8 ft Steel Side Carport Enclosure Kit, designed specifically for SKU 9100405 Red Mountain Valley 20 x 12 x 8 ft Metal-Top Carport, available separately.By adding side-wall coverage for increased protection from the elements, this kit transforms your carport into a more enclosed shelter, helping shield vehicles, equipment, and stored items from wind, rain, snow, and debris.*Note: The 20 x 12 x 8 ft Metal-Top Carport SKU 9100405 is required as the primary structure.