Mastic is not water resistant and it will dissolve and disintegrate when in contact with water.
How to remove ceramic tile adhesive from concrete.
To be specific you should use 2 lb maul.
Use a 3 4 or 1 in.
Work the chisel under the tiles forcing them loose.
How to remove different kinds of adhesive.
So where do you start hammering up the tiles.
Another round of mopping should remove the remaining glue.
Some lubricants can also be very helpful.
Work the chisel between the tiles and the concrete hammering them up with a 2 lb.
Masonry chisel and a 2 lb.
So removing it is going to involve a lot of water.
You can further soften these sections with a non smelling chemical adhesive remover.
Remember mastic is soluble in water.
On the third pass remove these hard remnants reducing all the mortar to dust.
We always start with these first when we remove adhesives from concrete.
Follow the instructions on the bottle and allow the adhesive to soften.
Always wear safety glasses when removing ceramic tile.
Scrape off as much as you can.
Strike the face of stubborn tiles to break them up for easier removal.
Some adhesive will stick to the concrete even after mopping.
Simply soak up a lot of absorbent cloths or paper towels in water and cover the mastic with them.
Use multiple passes to remove the mortar.
Removing tile from concrete will require you to use your strength to the fullest because you have to knock the tiles out instead of them coming out without any real force.
In the past some professionals were using the so called cutback mastic adhesive to hold tiles.
To do that you will need that hammer we talked about.
Use chemical adhesive remover.
Chip the grout along the grout lines use a ball peen or masonry hammer and cold chisel to tap the pieces free.
On the first pass level the surface removing any sharp protrusions.
Step 1 chiseling up tiles.
Make sure you get plenty of extra razor blades they get dull fairly quickly.
This material used asbestos which is quite hard and potentially dangerous to remove from any concrete base.
In some cases the only way to tear out the ceramic tile is with heavy equipment such as a jackhammer or air chisel.
Graze with a sharp blade.
First things first you need to work the chisel that connects the tiles and concrete.
We use floor razor scrapers to remove the tiles carpet and the black glue on the concrete.
Start at a broken tile or between tiles where the grout has loosened.
Some common products can easily remove mastic from the concrete floor without using chemicals.
To remove excess mastic after the tiles have been removed soak several cloths in water and lay them.