replying to lalouli, SusanFD wrote:
Just about to face this challenge in my 1958 kitchen, and your answers are very
helpful. I think I"m going to try and sandwich a transition from ~3/4" plaster
board to 1/2" + 1/4" layered gypsum. It feels like I'm 'cheating', but it's just
another example of how you have to make things work in an older house.