These are steel windows. We often use Torrance Steel Window and Door for work like this.

if you are interesting we can provide steel windows and doors made with thermally broken profiles. Are also available other kind of materials as corten, stainless steel and bronze.

And please feel free to visit our Houzz page - Crittall Windows Ltd or our web page at www.crittall-windows.co.uk , or simply please do pose any questions you have. Regards, Darren Joyce - Crittall Windows Ltd.

Carolyn Wesling,
If you are still looking for these types of windows, we offer Renaissance solid bronze windows & doors. You are welcome to visit our website http://werefindinganswers.com/renaissance/
& view our Houzz images & ideas- http://www.houzz.com/projects/152134/Renaissance-Solid-Bronze-Windows---Doors-by-Progressive-Solutions
http://www.houzz.com/ideabooks/20982708/thumbs/Bronze--Copper--Steel---Warehouse-Window-Wall-Ideas
http://www.houzz.com/ideabooks/7715785/thumbs/Bronze--Copper---Steel-Door-Ideas
http://www.houzz.com/ideabooks/18543834/thumbs/Bronze--Copper--Steel---Warehouse-Window-Design-Ideas

Hi Carolyn, it is French Door, this door is very popular in recent years, I am fond of this simple and classic style. Their timeless design will never go out of style and can increase the value of your home. I am wondering if you will go with French Door in the future. We are always here if you need French Door. You can get to know us through ironwroughtdoors.com and send an email to us sales@ironwroughtdoors.com.