Wait several minutes and use a large scrapper to remove the mastic.
Remove old tile adhesive off walls.
Using the heat from the hair dryer set on high slowly.
It will not be a easy task to remove the old adhesive you can tile on top of the old one but what i am suggesting is to level the walls with tile adhesive or with adhesives with cement in a there composition and not with bonding compounds as it is not water resistant and being a bathroom a good strong support is recommended.
How to remove tile glue the first step is to remove the tile itself whether it be cut or chiseled from the surface it is attached to.
Return to the first corner and hold the hair dryer in place for a few minutes then gently take a scraper and.
How to remove tile adhesive step 1.
Irrespective of the adhesive formula you have to cover the floor with old cloths as to protect it from the residues which will fall off the wall.
Removing tile adhesive from drywall is not an impossible process.
If you have managed to remove the wall tiles without damaging the wall behind them an adhesive remover is what is needed to safely to get the glue off as well.
Use your hammer to gently tap at the end of the chisel to pry off the adhesive.
Place the chisel at the edge of the piece of adhesive holding it at about a 15 degree angle.
Give a few taps until the tile adhesive becomes loose enough to fall off or be scraped off with the end of the chisel.
Chisel large chunks of tile adhesive off the walls.
If the adhesive is not cement based you could try sprinkling water to the wall to ease the scrapping process.
After you ve removed.
The use of the right tools and materials combined with some elbow grease will remove most tile adhesives from drywall.
The second step is to remove the adhesive or tile glue which held the tile in place.
Take a hair dryer and hold it over one corner of tile.
How to easily remove old tile adhesive and grout from walls using a heavy duty scraper uploaded by upload to youtube for windows phone.
When removing tile from drywall take care not to damage the wall underneath.