Carriage Door Company designs custom barn doors and sells sliding barn door hardware. Check out their websites:
sliding barn doors covering glass doors/windows
Exterior barn doors. Take the barn-door trend outside with thick sliding doors to protect sliding
sliding doors and the red color
Cool barn doors on house protecting sliding glass door.
wow, those barn doors and the underground space too
I like the red sliding doors on the outside of the glass doors
Kikko needs these doors for the cabin!
barn doors for security wouldn't look out of place
Exterior barn doors. Take the barn-door trend outside with thick sliding doors to protect sliding glass doors underneath. They may not work on every house style, but when they do, they're a showstopper!