Most RVs have a vinyl material that is glued over a thin plywood. As long as the old surface is still smooth, wipe down the walls to get any grease off and then apply your paper, but use the vinyl wall paper paste.
Ken
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Amateur Radio Operator (KE5DFR)|Full-Time! - 2012 6.7L Ford Crew Cab Dually -2013 HitchHiker Champagne 38RLRSB - Currently FOR SALE Travel with one Standard Schnauzer and one small Timneh African Gray Parrot, retired mechanical engineer
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