purchase the barn door that is on the wall?
Where can I find this door?
Real Sliding Hardware and Real Carriage Door Company design and build custom doors, barn door kits and sliding barn door hardware. Check out their two websites. http://www.realslidinghardware.com/ and http://www.realcarriagedoors.com/index.php
The barn door was custom designed and made. The door is composed of a welded steel frame with MDF backer board and reclaimed barn wood. The hardware for the door can be found here: http://www.barndoorhardware.com/flat-track-hardware/standard-flattrack.html
You can find a few similar doors here:
Barn style door and track - for master bath door
brick wall into bathroom? with sliding door
Barn door on brick and lighting.