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How To Remove Glue From Concrete Floor

When tearing up flooring, you may be left with some glue and this is not always the easiest to remove. There are a number of options to do so, depending upon how much glue needs removed.

To remove glue from a concrete floor, start by applying a generous amount of boiling water to soften the adhesive. After a few minutes, use a scraper or putty knife to gently peel away the glue. For tougher residues, a mixture of soap and water applied beforehand can help in loosening the glue further.

One critical point not mentioned is the option of using a commercial adhesive remover if the glue remains stubborn after trying boiling water and soap. These removers are specifically formulated to break down the adhesive properties of the glue, making it easier to scrape off.

However, it’s important to follow the manufacturer’s instructions carefully and ensure good ventilation in the area to avoid inhaling any potentially harmful fumes.

Additionally, after removing the glue, cleaning the floor with a concrete cleaner can help to remove any remaining residue and prepare the surface for whatever comes next in your project.

Man removing glue on the floor

How To Remove Glue From Concrete Floor

Before we talk about some of the different types of glue that can be removed from the floor, let’s talk about some of the different tools you may use. You might find that these are beneficial, but not all of them are going to work for every instance.

Flooring Chisel: This is an option that you should consider if you have a small amount of glue to get up from concrete over a limited area. You can often scrape the chisel across the floor to remove it or you can use a 2-pound hammer or rubber mallet for additional leverage.

Adhesive Stripper: This is an excellent choice if you have a larger amount of glue or adhesive to remove from concrete. It is one that most people tend to overlook, but it can really make the job easy. Look for a low VOC adhesive stripper, especially if you are doing the work indoors. Spread it out over the floor liberally and leave it on overnight to do its work. Make sure you wear gloves and safety glasses when scraping the next day.

Oscillating Tool: If you have a small job, an oscillating tool is an excellent choice for scraping adhesive and glue from the floor. Since it does most of the work for you, it is a lot easier than using a chisel but not everybody has one available.

Pole Scraper: Using a pole with a floor scraper on the end is a tried-and-true method of removing adhesive from concrete. Perhaps the best part of using a pole is the fact that you don’t have to get down on your hands and knees but you can stand up while allowing the scraper to do the majority of the work.

Heavy Duty Floor Stripper Machine: Most homeowners are not going to have one of these available, but you can rent them at local hardware stores. These machines are extremely heavy by design and have a large blade on the front. Some are also available with a seated option, but they are best for extremely large floors. A heavy-duty stripping machine can make short-order of a lot of glue left behind on concrete. They are expensive to rent.

How To Remove Dried Glue From Concrete

Man removing glue on the floor

Dried glue can be difficult to remove from concrete but it certainly is not impossible.

The easiest way to remove dried glue from concrete is to soften the glue first. This can either be done with some hot water or you can use adhesive stripper left on overnight. After the glue has softened, it will be much easier to scrape up from the floor.

One option for scraping up glue that is dry is to soften it and then use a floor scraper. This can either be a small chisel or perhaps a larger scraper on a pole.

Once you get under the glue, you will find that it typically comes off of the concrete easily. If it is especially heavy, you may need to soften it numerous times before you get down to the concrete.

How To Remove Carpet Glue From Concrete

Man removing glue on the floor

Did you pull up a carpet and have some stubborn glue left behind? Here’s how to remove it easily.

You can easily remove carpet glue from concrete by using hot water. Pouring boiling hot water on the adhesive will soften it within about two minutes. You can then scrape it up with a floor scraper or chisel. You may need to soften the carpet glue multiple times before it is completely gone.

As is the case with any type of glue removal, it may take multiple passes before you are able to get to the concrete. Make sure that you take your time, because if you allow the hot water to do the work for you, it will be a lot less work on your part.

Be cautious when pouring boiling hot water on the floor because it can splash. It is best if you wear protective gloves, safety glasses or goggles, and the right type of footwear.

Another option you can consider is to use some type of adhesive softener, such as a commercial stripper. These strippers can be poured on the floor and will soften the adhesive over time. You may need to leave some on overnight for it to work fully.

How To Remove Linoleum Glue From Concrete

Man removing glue on the floor

If you pull up linoleum from any room, you are going to be left with a difficult layer of glue. It is possible to pull the glue from the floor, but it will take some work to do so.

The easiest and smartest way to remove linoleum glue from concrete is to use a blowtorch. The blowtorch can be used to heat up the glue and it only takes a few seconds before it will be loose enough from the concrete that you can get a scraper underneath.

As you work your way across the room, you will have to work in small sections to ensure that you are getting all of the glue from the concrete. Fortunately, this method works cleanly and it is unlikely that you will be left with residuals after you have completed the first pass.

There is a problem with doing this, and that’s the possibility of fumes. You need to be cautious that you don’t burn the glue but rather, that you are only heating it up enough that it will come off of the floor cleanly.

Try as you might, however, you are going to end up with some fumes so it’s best to work in stages and to work in a well ventilated area.

Otherwise, you can simply soak the floor with water by putting a rag on it until it loosens up. This method will take more time and effort, but there are no fumes involved.

How To Remove Black Mastic Glue From Concrete

Man removing glue on the floor

Black mastic glue can leave behind quite a layer on a concrete floor. How do you remove it cleanly?

To remove black mastic glue from concrete, you will need to work in stages. In the first stage, remove as much of the loose glue as you can. Next, pour boiling water on the floor to soften the glue further and then scrape it. Continue this method until the glue is completely removed.

One of the biggest problems that most homeowners run into when removing black mastic glue is the time and effort that is involved. They may get impatient and feel as if they are never going to get the job done.

In reality, the glue can be completely removed by just using boiling water and a scraper. If you want to take things to the next level, you can buy a commercial product that will soften the glue faster than water.

How To Remove Tile Glue From Concrete Floor

Man removing glue on the floor

When you pull up tile, there is always going to be some glue left behind. How can you remove that glue cleanly and leave the concrete floor smooth?

Tile glue, which is typically mastic, can be removed with the use of a scraper. This is the best option for a small amount of glue because you can control the scraper easily. It may take some time before you are able to completely remove the glue, and you may need to work in stages, but it will come up.

If you have an oscillating tool available, you may also want to consider using it. An oscillating tool with a scraper blade can easily get under tile glue and it requires less effort than using a scraper chisel.

If you have a floor area that is large, you may want to consider renting a commercial scraping machine. These are expensive to rent, so you will need to plan out the work to rent it for the least amount of time possible.

How To Remove Hot Glue From Concrete

Man worker confused

Hot glue is a type of thermoplastic adhesive that is often used for crafting, but it can be used for other jobs as well. If you get it on concrete, it can be removed.

The easiest way to remove hot glue from concrete is to reverse the process and heat it back up again. This can be done with a heat gun or with a hairdryer. Once the dried hot glue becomes softer, it can easily be removed with a putty knife. Larger sections can be removed with a larger scraper, such as a drywall knife.

In most cases, hot glue is not going to damage the concrete because it will simply dry quickly on the surface. One of the concerns that many people have, however, is the possibility that any colored hot glue will leave behind some residue.

Rarely will you have any hot glue left over after it is scraped off of the concrete. If you do have a problem, you may need to continue to heat the area and scrape until you are down to bare concrete again.

How To Remove Old AstroTurf Glue From Concrete

Man worker confused

If you are ready to pull up the old Astroturf, you may be left with some glue on the concrete. Fortunately, it is easy to remove.

The easiest way to remove Astroturf glue from concrete is to scrape at the glue with a putty knife or a flat blade shovel. You can then warm up the glue with a heat gun to make it softer and it will be easier to get off of the floor.

As you are removing the Astroturf glue, you should keep the blade as clean as possible. This is especially true if you have warmed the glue in advance because it could dry on the blade and make it difficult to use.

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Just keep an old rag with you to wipe off the glue every few seconds as you are scraping. You can then dispose of the rag when you are done.

If there is any Astroturf glue left on the floor, you can use a stiff brush to remove it. It is a good idea to use some warm water with a drop or two of dishwashing liquid in it to keep the stiff brush from damaging the concrete and to make it easier to remove.

How To Remove Parquet Flooring Glue From Concrete

Man removing glue on the floor

Most parquet flooring is put down with a type of urethane adhesive. It goes on thick, and it tends to stick to the concrete after you pull up the old parquet floor.

To remove parquet flooring adhesive from concrete, you first need to soften the adhesive as much as possible. This can be done with some boiling water. Pour the boiling water on the glue and wait 10 or 15 seconds until it begins to soften. You may need to repeat the process multiple times before you get down to the concrete.

It is also important to consider the type of tool that is being used for the removal of parquet flooring glue. In most cases, this is going to be a small scraper or perhaps a chisel.

For larger jobs, you can get a floor scraper with a long handle so you don’t have to constantly be on your hands and knees scraping.

If you have to do a very large job, you can rent an industrial scraper for a few hours and it will make short order of the adhesive removal.

How To Remove Vinyl Flooring Glue From Concrete

Man removing glue on the floor

One of the problems with pulling up vinyl flooring is the glue is often left behind. If you are dealing with a concrete subfloor, here’s how to handle it.

Vinyl flooring glue can easily be removed from concrete if you heat up the floor using boiling hot water. Hot water will soften the glue almost instantly but if you allow it to sit on the floor or perhaps place a rag over it for 30 seconds, it will soften much deeper. Repeat the process until you have cleaned the floor completely.

Although you can remove vinyl glue in this way, you may find that there is still some residual left on the floor. If that is the case, you can use a commercial adhesive remover.

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Commercial adhesive removers can be applied to the glue and you will need to let it sit for the time that is recommended by the manufacturer before scraping it up. It will often clean up a concrete floor quite nicely.

How To Remove Wood Floor Glue From Concrete

Man removing glue on the floor

If you pull up an old wood floor that has been glued down, you may find that the glue doesn’t come up as easily as the rest of it. If you are fortunate enough to be dealing with a concrete subfloor, here’s how to handle the problem.

Heating up the old wood floor glue will make it much easier to scrape off of the concrete. You can do this by pouring boiling water on it or by soaking large rags in superheated water and placing them on the glue for 30 seconds. After scraping, you can then reapply the hot water as many times as needed until the glue is completely gone.

Another option that you may want to consider is using some type of commercial glue remover. This could be a stripper compound that is put on the floor generously and allowed to sit overnight.

Those strippers are often used for the removal of paint and other items but they work quite well on wood glue as well. Just make sure that the manufacturer has not given any warnings about using it for that purpose.

You can remove old glue from a concrete floor using the right tool. A concrete chisel is the most commonly used because it can either be scraped by hand or you can use a rubber mallet/hammer to give it more leverage. After scraping the floor with a chisel, you can then soften it by applying heat and then scrape some more.

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ReadyToDIY is the owner of this article. This post was published on February 27, 2022.

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