If the wall is a proper stud wall then the new plasterboard can be fitted over the original studding.
Taking tiles off stud wall.
Try to locate a loose tile.
With the removal of the one tile keep going under the surrounding tiles gently popping the tile from the wall by prying it from the wall using the scraper and hammer.
Follow the directions on the bottle for application.
If you plan to remove a whole wall of tiles try tapping the edge of each one with a.
Scraping away grout between the tiles is the first step in removing them.
Dissolve the tile adhesive which is also called mastic.
How to remove bathroom tile without damaging the plaster walls step 1.
The quickest way is to use a commercial mastic remover.
This approach should let you save more of your tiles for reuse unless the tiles are.
Wedge the end of a putty knife beneath the bottom of a tile and gently pry outward.
You may be lucky and the tiles will come off without damaging the wall too much.
Slide a putty knife or plaster spatula behind the tile getting as much of the blade behind the tile as you.
This can also be done with the addition of a light sander using fine grade sandpaper.
Tiles installed with thinset or another tile adhesive often require more work to remove them.
Remove the grout first.
Work slowly and at about a 45 degree.
Once the tile is down take a 5 in 1 tool and scrapper to remove any excess grout.
Usually the remover is applied to the remaining clumps of adhesive with a rag brush or sponge then left to sit for a few minutes.
Chisel tiles away from the wall.
If it is how it is repaired depends on how the wall is constructed.
Break the tile if necessary.