patrickmac66 LaCantina also makes a great Bifold door as well as Kolbe. Let me know if you have any questions about either manufacturer. I am a distributor for both. 512-423-4966
I can't decide if I want the concrete exterior wall to continue up to provide a railing for the garden roof or if I want to create a railing like the one in this picture. I also like the look of the stairs creating the ledge or overhang for the house below.