Repurposed old screen door.
pocket french doors
Decorating With Architectural Salvage - Gorgeous vintage doors turned into barn doors
Image from http://www.sasinteriors.net/wp-content/uploads/2013/07/Rolling-Barn-Door-Interior-Kits-Mozilla-Firefox-7172013-60744-AM.bmp.jpg.
Make a standard door a sliding door using barn door hardware. (use my vintage mirror door}
SNS 95 ~ barn/farm/western things | Funky Junk Interiors
Sliding door connecting master bed to master bath.
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sliding barn door
DIY Sliding Door: OMG!!! This is why I love Pinterest! Perfect idea for my office doorway!!
French Doors hung as sliding barn doors! -- My French Study - Part I - Cedar Hill Farmhouse
One thing we saw in a house that we know we want to add to ours. Loved the barn doors!