To upgrade the look of your RV’s wallpaper, you can install new wallpaper – or paint right over top! Q: Can the interior wallcovering in a typical 5th wheel be painted? I really don’t care for look of the walls and really want a brighter, cleaner appearance. If you’re not happy with the way the wall papered interior of your RV looks, you may be able to change things up fairly easily. RV Wallpaper’ The wallpaper in your RV may not be the same as that in your regular house.