... windows can be added to metal garages§ Steel garages are custom built with your choice of roof color, side color, ... for my metal garage to be installed?Most smaller size steel garages are installed in about half a day. ... ?Yes, we can make the metal garage in a custom size, but we have to charge the price of the ... and back ends. So, if you order a 24x26 size, you will want the concrete slab to be exactly ...