Printable wall paper

Looking for a material that can be applied like wallpaper. Preferably compatible with Epson's K3 ink sets used in my 9800. I presume it would require some form of lamination after printed given the nature of application (water and glue). I've run into a few customers that need printing beyond my 9800's width and until I find a good deal on a 11880, this seems like a viable option. Any ideas?
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http://www.paphotographics.com