After that you have to use the trowel to apply a layer of latex thin set mortar approximately 1 8th of an inch thick.
Remove glue on concrete floor for tile.
However be careful not to scrape with a sharp instrument that can scratch or gouge the floor.
Work the chisel between the tiles and the concrete hammering them up with a 2 lb.
Masonry chisel and a 2 lb.
If there s not much glue on the concrete a putty knife might even do the trick.
The last and final step of the process is raking the adhesive off of the concrete floor.
If any leftover adhesive is sticky loosen it with a chemical adhesive remover.
Removing old vinyl tile and patching concrete cracks photo 1.
If water and soap won t remove the remaining glue hold a heat gun over the adhesive long enough to soften the glue and scrape it away.
The thing about tile adhesive is that there isn t just one kind.
It will be hard to be perfect in this particular step since there is no way to scrape all the adhesive off.
Work the chisel under the tiles forcing them loose.
This will have an eight inch long blade which scraps the surface moving back and forth.
Take your scraper to the softened glue this time and it should come away fairly easily.
Start at a broken tile or between tiles where the grout has loosened.
The same quality that makes tile adhesive so reliable can make it a real pain in the rear end when you want to install new tiles especially if the original floor is concrete.
There are also tile and glue remover tools available in the market.
Then scrape off the.
Use a 3 4 or 1 in.
Scrape off tiles and adhesive scrape off as much of the adhesive residue as possible with a razor scraper.
Strike the face of stubborn tiles to break them up for easier removal.
After the water reaches the boiling point pour it on the glue and let it sit for a few minutes before it has a chance to cool.
So how do you remove floor tile adhesive from a concrete floor.
To remove excess mastic after the tiles have been removed soak several cloths in water and lay them over the mastic.
Using harsh chemical strippers or an indoor concrete cleaner is not necessary most of the time and using a scrubber will easily scrape away residual mastic.
Another method of removing glue from concrete that is often successful begins by boiling a large pot of water.