This is an A-Frame style. It comes with 6 ft standard on leg height, but unlike standard style, that is actual height of wall. With some companies, 1/2 of sheet is installed on each side, on others it is optional.  Comes in widths up to 24 ft wide . Overhang varies depending on size of unit. Anywhere from 4 inches to 12 inches. Some companies do go wider than 20 feet so check with our rep to see what is available in your area. In most cases add $200 more over the price of the classic. Some units are higher. Call rep for quote. www.bestbuymetalproducts.com