Reply To: Where to buy a Transom? Home › Forums › Home and Garden › Where to buy a Transom? › Reply To: Where to buy a Transom? herewegoagain February 19, 2013 at 11:45 am If you don’t need it to open, it should be fairly easy to get a piece of glass cut to fit. It’s just a window. Alternatively, some place like Smoots Lumber could make a window for you. Also, higher end door/window places will make the set for you.