"Paul" wrote
| I live in a 1930's stone built house and in the smallest bed room
| we've always had a bit of damp showing as black on the wall paper, this
| small room does have a vent to the outside. I've tried the spray on
| damp seal but this did'nt help too much. So I am preparing to strip all
| the wallpaper off and then "do something"?, what that something is I'm
| not sure. I've heard its best to then drywall it, but being about as
| good at d-i-y as I am at grammer I'd rather not, is there another
| solution?. Things I've heard are
| 1. Strip all the plaster and apply a "special" plaster
| 2. Cover the plaster with a polystiryen sheet before papering
| 3. Some special "plaster" damp paint.
| 4. And ofcourse drywall.

None of the above until you find out what is causing the damp.

Owain