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How To Remove Thinset From Concrete

How to remove thinset from concrete? Removing your old tile flooring probably went a lot more smoothly than you expected.

But the dust accumulated with all the demolition makes it seem like you have another job on your hands – smoothing out an uneven surface area and making it look presentable again.

Don’t be fooled, however! Your new project is just as simple as removing your old flooring. The key to this remodeling phase lies in the adhesive mortar you used to set up your tile initially.

As much as we would all prefer to cover up our mistakes, doing so only leads to regret later. This is why experienced contractors suggest preceding additional laid layers on top of adhesives and leveling materials.

Which gives us tile that settles unevenly over time. However, if done correctly, resurfacing can provide us with gorgeous flooring for years to come!

How To Remove Thinset From Concrete

The thinset should naturally start to break apart after 20-30 seconds of hammering.

If this doesn’t happen, put some more boiling water over the area to loosen it up and start chipping away until you’ve removed enough to accommodate the new tiles.

complete guide to remove thinset from concrete

1. Manually Remove Thinset from Concrete

The most effective method to remove the thin-set is by removing it as soon as possible.

Use a sturdy chisel or scraper and attack the mess from different angles to remove any loose material from the top, bottom, or out of the sides. Inspect areas for cracks that may have occurred due to water damage.

If you can see traces of water damage, begin with a rough sanding and follow up with essential wood treatment products like Bona Fide Wood Protector Oil to prevent further damage occurring within vulnerable areas, such as door frames and window casings.

2. Remove Thinset from Concrete with an Angle Grinder

Angle grinders are some of the best tools to use when removing thin-set from various surfaces.

They can be especially effective on softer types of thinset, or where most of the thinset came up with the tiles, leaving some small clean-up work to be done. I

f you’re fortunate enough, you can also use this technique for a thin-set that loosens during soaking and quickly grind it away with very little mess.

The biggest challenge is getting rid of the bigger chunks because they require more work.

3. Remove Thinset from Concrete with Floor Stripper and a Power Chisel

Power tools can be used as effective tile elimination devices. These devices work by using a chisel and removing mortar, and they move backward and forward to scrape the cannon away.

Safety glasses are needed when using these tools because little tile pieces will fly around.

It’s not vital to moisten the thin-set before using the power tool, but it does make removal more accessible, so professionals should soak the thin-set first if they’re faced with that situation.

4. Removing Thinset from Concrete with Flooring Grinder

When you’re looking to apply thin-set, which is a building material used in tiling, it’s essential to know whether or not the surface you’ll be grinding it down on is strong enough.

Generally speaking, concrete can work as an excellent grinding surface because diamond is an ingredient that can help with this task considerably.

Methods Of Removing the Mortar That Sticks To Tile Floors

1. Remove Thinset Mortar from Tiles

First, get a heavy-duty bucket and fill it with warm water. Then take your dish soap and add that to the water. Set aside this solution while you get ready to apply it.

Once all of your cleaning tools, like a scraper or chisel, have been set next to where you’re cleaning up the mess, use the solution so that it spills over the top of your floor area and begins to soak up some of the excess grout material.

Let this sit for about five minutes before you start scrubbing off whatever has soaked in as much as possible with your scrub brush (because you took our last tip seriously and got one for us now!).

You don’t want any more areas on your floor than necessary needing sanding, which is why we suggest using that tool at this stage instead of before pouring the cement over everything.

Because no one wants to leave behind smears if they can help it!

2. Remove Mortar Cement from Tiles

Mix one cup of vinegar with some water in a spray bottle. Pour the mixture onto the tiled area and let it sit for two minutes.

Sprinkle some thin-set mortar on grout lines while the acid dries on the tile floor. Wait two more minutes before sponging off excess liquid as much as possible with a clean old rag or sponge.

Use a razor blade to carefully remove any mortar that remains at this stage, ensuring not to scratch or gouge tiles! Dab any remaining bits with another moistened cloth, and you should be finally done!

3. Remove Mortar Cement from Reclaimed Tiles

Gather and wear goggles and rubber gloves to protect yourself while handling acidic products. Pour enough muriatic acid into a bucket of water to fill the entire container (be careful not to splash) and add tiles one by one.

Allow them to soak in the mixture for at least 5 minutes before removing each individually so you can scrub with a brush. When spotting any dirt, use a razor blade or scraper to remove it gently.

Keep an eye on your surroundings while you work so as not to cause damage by splashing any corrosive material onto surrounding surfaces or materials (such as carpeting or clothing).


How to remove thinset from concrete. Follow the instructions correctly, and I hope this article with the help you in solving your issue.

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