If the adhesive is not cement based you could try sprinkling water to the wall to ease the scrapping process.
How to remove mastic from wall tiles.
Apply a thin layer of mastic.
Scrape the surface of the adhesive with a stiff bristle brush.
Use the whisk broom or small vacuum to remove any loose pieces of mastic grout or dust.
If it does consider switching to a gentler citric acid delemonene based mastic remore.
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.
Using chemical solvents 1.
Soak clean absorbent rags in warm water.
This is available online or at hardware stores but may cost over 100 per 5 gallon 19l.
Limit your time in the area while the.
Gently grind off thinset with an oscillating tool equipped with a.
Heat the surface of the adhesive with the heat gun.
Open all of your windows and doors.
It may take more time to remove the mastic but it will be gentler on the tile.
Reapply the remover to any remaining mastic wait for the recommended amount of time then scrape.
Use water as warm as you can stand to get the rags sopping wet.
How to remove dry mastic on tiles.
When trying to remove tile glue mastic soak a cloth in water and lay it over the compound.
Thinset is a cement based product and mastic resembles thick glue.
Pile the articles in an out of the way area.
If any adhesive gets stuck to the brush.
Alternatively use hot water and a.
Place damp rags on dried mastic.
Test the mastic remover on a scrap piece of tile or an inconspicuous spot on the laid tile before using it on the mastic.
Clean any loose residue.
Wash down the entire tile area with a bathroom tile cleaner that penetrates the soap scum without leaving a residue.
How to remove tile adhesive from drywall.
Work in 2 foot square sections to prevent the adhesive from hardening as you work.
Use as much ventilation as possible.
Once it becomes soft scrape it off the surface with a putty knife.
Wait several minutes and use a large scrapper to remove the mastic.
The two most common wall tile adhesives are thinset and mastic.