Yes---Remove the old plaster and then sister in new studs tight to the tub.
Studs only cost a couple of bucks each and will make every step along the way easier.
What you are trying will look sloppy and ..........
why are you trying to save the old plaster?
Studs only cost a couple of bucks each and will make every step along the way easier.
What you are trying will look sloppy and ..........
why are you trying to save the old plaster?