Can I hang wallpaper over old paneling, brick, textured walls, etc.?

Absolutely. Start with good preparation: remove all nails or other protruding objects. For textured surfaces, "knock down" any high points. For paneling, now is the time to ensure that the paneling is secure by adding additional nails if needed. For slick surfaces/paneling, wash with TSP (TriSodium Phosphate) or equivalent grease cutting cleaner. Now, you can hang bridging material. This is a thick, blank wallpaper designed for irregular surfaces. Once hung, this will "bridge" the grooves in paneling or other unusual surface allowing for the ultimate application of wallpaper or it can even be painted. Alternate/additional advice: The application of joint compound to the grooves of paneling is an additional precaution when using bridging material. Some wallpaper installers use the "joint compound, then primer" technique instead of bridging material. For ceramic or other tile, sand the surface with 200-400 grit sandpaper followed by rinsing with TSP. Apply a prep coat and then hang ...  more