Thanks for the advice, I should have realised we were in for a problem when In noticed that the old plaster was only attached to the mortar between the bricks. We will give another go next weekend.
Thanks again
Being a total newbie to plastering we (wife and I) have got into a bit of a bind. We are refurbishing a bathroom in our recently aquired 1950's bungalow. The tiling has not been touched in 30 years and was in a terrible state. Removing them tore off the wallpaper(!) underneath and removed the...