painting interior walls Fillers, sealants and adhesives for all types of DIY work. Help, advice and information on all aspects of this subject

[waynster]

I want to paint interior walls which have had wallpaper on,Ive stripped the wallpaper off and I think I need to sand the walls to get them smooth,What can I put on the walls to coat them ready for paint? I've got plaster board walls and concrete walls.