The 12 x 20 ft. Carport from Arrow is a newly re-designed Carport and -use shelter that is wind and snow rated for maximum protection against the elements! Our carport features a galvanized steel roof with horizontal panels, and an industrial steel frame that has been powder coated to resist corrosion and rust. This 12 x 20 ft. Carport has a wind speed rating of 100 MPH and a snow/ground load rating of up to 35 PSF. Rain or shine - it doesn't matter. The Arrow 12 x 20 ft. Carport is a high-quality, steel structure that is perfect for protecting boats, vehicles, tractors and even outdoor picnic areas.