Finish sanding the entire wall with 120 grit sand paper on drywall sanding pad.
How to remove wall tiles without damaging wall.
Using a hammer and chisel gently chisel the tile away from the wall.
Cut away the grout surrounding the tile or tiles that you want to remove.
2 don a dust mask in addition to gloves and goggles.
Chisel tiles away from wall.
After the grout has been removed try to locate a loose tile to remove first.
Rub a grout rake along the grout between.
Fill drywall gouges with drywall joint compound and sand it smooth.
Tiles installed with thinset or another tile adhesive often require more work to remove them.
Work slowly and at about a 45 degree angle.
When you believe you have removed or cut away most of the grout stop and examine your work.
Pry them away from the tiles rather than toward them to minimize the risk of damaging adjacent tiles.
To remove thinset use a stiff putty knife and some elbow grease to scrape it from the wall.
Next use a chisel and hammer to pry the tiles off of the wall.
Allow to fully dry.
To remove wall tiles start by heating up the grout between the tiles with a blow dryer so it s easier to remove.
Find a loose tile to remove first.
Then use a utility knife or rotary grinder to scrape away the grout until the spacer lugs between the tiles are visible.
To do this tap along the edges of the tile with a chisel screwdriver handle or other small tool.
For semi soft adhesive mastic use 120 grit sandpaper to remove it from the wall.