Randy Charles
Randy Charles
Professional Painter

Hi, I’m Randy Charles, the creator and chief editor of this site Paintcentric. I’m a businessman now by profession, but I used to work as...Read more

Randy Charles
Randy Charles
Professional Painter

Hi, I’m Randy Charles, the creator and chief editor of this site Paintcentric. I’m a businessman now by profession, but I used to work as...Read more

How to Remove Spray Paint from Concrete?

Randy Charles
Randy Charles
Professional Painter

Hi, I’m Randy Charles, the creator and chief editor of this site Paintcentric. I’m a businessman now by profession, but I used to work as...Read more

If you plan to remove spray paint from a concrete surface, you should go through this article. With the correct methods and tools, you can remove any amount of spray paint from concrete, and it is all about the technique and execution. This article will explain seven proven methods to remove spray paint from concrete. Before we talk about how to remove spray paint from concrete, there are a few other things you need to learn. So, first, we will talk about those topics.

What You Need to Know about Spray Paint on Concrete?

The most annoying thing about spray paint is that it goes on in concrete surfaces quickly, and you will not have any time to react or clean the spray paint. Then after some time, it is nearly impossible to remove the spray paint.

Another thing you need to know is, by nature, concrete is an absorbent material, and it acts exactly like a sponge. So, getting rid of spray paint from concrete should be done soon as possible. That way, you will be able to avoid permanent paint stains; but, if you have those permanent stains on the concrete surface, in this article, we will teach you how to remove them too.

Best Methods to Remove Spray Paint from Concrete

Before starting, one thing needs to be pointed out. For each type of spray paint stain, you have to use a different method; So, use the following methods accordingly.

How To Remove Spray Paint From Concrete

Method 1: Using Soapy Water

Using soapy water is the easiest way to remove spray paint from concrete, and the required materials can be found in your house without any trouble.

Materials Required

Two or three 1-gallon buckets, scrub brush, warm water, soap, absorbent paper towels, garden hose.

The Process

  • Wear your protective gear. In this method pair of gloves will do the trick.
  • First, sweep the concrete surface properly. Then add warm water to any bucket.
  • Next, mix one bucket of water with dish soap. Stir the mixed water and soap until it forms suds.
  • Now you are ready to start the cleaning process. Use the warm water bucket to wet the affected concrete surface.
  • Then dip the scrub brush in the sudsy solution and scrub the spray paint affected area. For scrubbing, always use a circular motion.
  • Use the paper towels to dry the surface and remove the loosened spray paint; then rinse the surface with warm water. Or you can use the garden hose for this too.
  • Repeat step 6 until you get rid of all the spray paint. Do not forget to mob the surface if it is needed.

Is It Effective?

This method is effective to some degree. But, it is not the best method to remove spray paint from concrete surfaces; if you are looking for answers to how to remove spray paint from concrete, this is one of the inexpensive and non-toxic methods you can execute.

Pros
  • Inexpensive
  • Non-toxic
  • Easy to find materials
Cons
  • Less effective

Method 2: Use Thinners or Strippers

If you have trouble confiscating spray paint from concrete using the 1st method, we highly recommend using paint thinners or strippers. These two solvents can break down or thin spray paint from any surface; Non-caustic solvents are perfect for removing spray paint.

Use Thinners

Materials Required

Paint thinner or stripper, a clean cloth, inexpensive paintbrush, appropriate protective gear.

The process

  • First, wear protective gear; In this method, safety goggles, a pair of gloves, and a respirator. These solvents can cause breathing issues for some people if they inhale them; there is no high-risk level at all; But, it would not hurt wearing a respirator.
  • Clean the concrete surface. This will remove excess dirt; also, it will help the spray paint removal process. Before starting the process, open doors and windows in the affected area. These solvents have flammable qualities; So, you should be a little careful.
  • Use the paintbrush to apply the paint thinner or stripper on the affected concrete surface.
  • Let the solvent sit on the surface for a few minutes. Depending on the solvent, this time might vary. So, follow the instruction given on the product label.
  • Then after a few minutes, wipe the concrete surface.
  • You might have to repeat steps 5 and 6 until all the spray paint is removed; Use a clean cloth to wipe the surface.

Is It Effective?

Yes, it is a very effective method; Even though you need to spend some money, these solvents are cheaper than the other solutions; if the first method does not work, this method is the best option.

Pros
  • Inexpensive
  • Highly effective
  • Easy to use
Cons
  • Solvents have flammable qualities
  • Can damage the skin
  • Storing and disposing of solvent is a bit difficult

Method 3: Use Graffiti Removing Product

Using Graffiti remover is another alternative for method 1; Usually, these Graffiti removers can loosen the grip of spray paint to a great extent. This will make the scrubbing process easier.

Use Graffiti Removing Product

Materials

A graffiti remover, inexpensive paintbrush, a scrub brush, warm water, one-gallon bucket, paper towels, garden hose, a clean cloth, protective gear

The Process

  • Like the earlier method, clean the dirt on the affected concrete surface.
  • Wear protective gear; Such as; safety goggles, a pair of gloves, and a respirator.
  • Put warm water in the bucket; Use the paintbrush to apply the graffiti remover; Let the graffiti remover sit on the concrete surface for a few minutes.
  • Use the scrub brush to scrub the affected concrete surface; When scrubbing, use a circular motion.
  • Dry the surface with paper towels; Then rinse the area using warm water; if needed, repeat this step two or three times.

Is It Effective?

Considering the price and quality of graffiti remover, this is an excellent method for removing the spray paint from concrete; but, this is not the best method for removing spray paint.

Pros
  • Inexpensive
  • Sometimes can be used without a scrubber
Cons
  • Time-consuming
  • Needs to apply several times

Method 4: Use TSP Powder or Liquid

If you are looking for answers to how to remove spray paint from concrete using chemical solutions, TSP is one of the best products in the market; it comes in powder and liquid forms.

Use Tsp Powder Or Liquid

Is TSP Toxic?

TSP, also known as tri-sodium phosphate, is a powerful solution used for cleaning purposes; Even though this is an excellent cleaning agent, you must follow certain safety precautions.

The Process

  • Whenever you use TSP, wear safety goggles and gloves. If the solution gets inside your eyes, clean your eyes with water within 15 minutes; otherwise, it can cause serious issues.
  • Do not let the TSP get anywhere near your body. TSP can cause serious burns and irritations. If you get TSP on the skin, clean the affected area with soapy water.
  • TSP can damage your wooden objects; So, avoid this kind of situation at any cost.
  • Avoid breathing in TSP dust; The best option is to use a respirator.

When you use TSP, follow the above safety precautions; Otherwise, you could get into some serious safety issues.

Materials Required

TSP, stiff bristle brush, warm water, one-gallon bucket, five-gallon bucket, hose, a mop, protective gear

  • Sweep the concrete surface; Wear the appropriate protective gear (mentioned in the above section).
  • Read the instructions and mix TSP with warm water accordingly; for this, use the one-gallon bucket.
  • Put the warm water in the five-gallon bucket.
  • Dip the stiff bristle brush on the mixed TSP solution; Scrub the affected concrete surface with the brush.
  • Rinse the area with warm water; Repeat steps 4 and 5 if needed.
  • Use the mop or hose to clean the area one more time.

Is It Effective?

Even after following the first three methods, if you did not get a clear solution for how to remove spray paint from concrete, applying TSP will do wonders for you; This powerful and highly effective TSP solution is one of the best methods for removing spray paint from concrete.

Pros
  • Inexpensive compared to other cleaning agents
  • Highly effective
  • Easy to apply
Cons
  • Highly toxic
  • Government restrictions

Method 5: Use a Pressure Washer

If you are looking for a method that can remove any spray paint and, at the same time, be non-toxic to you and your home, using a pressure washer is the best option; it can shoot stream water to any concrete surface.

Materials Required

Gas or electric powered pressure washer, protective gear

The Process

  • First and foremost, wear protective gear; For this method, safety goggles and pair of gloves will be enough.
  • Assemble the pressure washer; Make sure to follow the product manual.
  • Select and connect the suitable nozzle; Before starting the pressure washer, distance yourself from the affected concrete surface; Maintain at least 10 feet.
  • Point the nozzle to the surface and start the pressure washer; Make sure to target the whole affected area.
  • Clean the area and remove the separated spray paint pieces.

Is It Effective?

Yes, this is one of the best methods for removing spray paint from any surface; Even though buying or renting a pressure washer can be expensive, using a pressure washer will save you a lot of time. Also, you do not have to worry about any chemicals too. And this method is easy to execute.

Pros
  • Can be combined with products like TSP and graffiti remover
  • Highly effective
  • Uses less water than the garden hose
Cons
  • Very expensive

Method 6: Use a Sandblaster

Using a sandblaster will remove spray paint from concrete surfaces without any trouble at all; But, the problem is if you did not use it correctly, you might end up separating concrete too. So, without proper training, you should not try this method under any circumstance.

Use A Sandblaster

Materials Required

Portable Sandblaster, fine sandblasting sand, wet-dry vacuum, pressure washer, protective gear

The Process

  • Wear protective gear; For this process sandblasting suit, mask, and pair of gloves.
  • Maintain your distance with the concrete surface before starting the sandblaster.
  • Move forward and aim the nozzle to the affected concrete surface; Then begin the sandblasting process; Repeat the process if needed.
  • Use the vacuum cleaner to suck up the separated spray paint pieces indoors.
  • For outdoors, you can use the pressure washer.

Is It Effective?

This is a highly effective method for removing spray paint. A sandblaster can complete the process quickly; But, this method is not for everyone, especially for people who do not know how to use a sandblaster. So, if you do not have prior experience, you should hire a professional.

Pros
  • Quick and easy method
  • Highly effective
  • Can damage the concrete surface
Cons
  • Very expensive
  • Needs proper training before starting

Method 7: Use Angle grinder

This is another method that you can get excellent results. The only problem is, like in the previous method, using an angle grinder is no easy task; if you do it incorrectly, it can damage the concrete surface; So, we highly recommend proper training or hiring a professional to do the job.

This is one of the best solutions for how to remove spray paint from concrete.

Use Angle Grinder

Materials Required

Angle grinder, vacuum cleaner or pressure washer, protective gear

The Process

  • Sweep the concrete surface.
  • Wear protective gear; Such as safety goggles, a pair of gloves, and a respirator.
  • Maintain your distance with the concrete surface before starting the angle grinder.
  • Move towards the affected surface.; Then turn on the grinder; Use the angle grinder to remove the spray paints and use a circular motion; Repeat the process if needed.
  • Use a vacuum cleaner to suck up the separated spray paint pieces for indoor surfaces.
  • For outdoors, you can use the pressure washer.

Is It Effective?

This is an easy method compared to sandblasting; Even though using an angle grinder is a bit difficult, it is not difficult as using a sandblaster. Another thing you should remember is there are no chemicals in this method; the only downside is the price; Renting or buying an angle grinder can cost you a lot of money.

Pros
  • No toxic chemicals
  • Highly effective
Cons
  • Can damage the concrete surface
  • expensive
  • A lot of dust after using the angle grinder

Read MoreHow Much Does It Cost To Paint A Living Room?

Tips and Tricks for Removing Spray Paint from Concrete

Here are some tips and tricks that help nicely while using the above methods.

Tips And Tricks For Removing Spray Paint From Concrete

  • Act Quickly: when the spray paint gets on the concrete, cleaning this spray paint soon as possible is a great way to avoid any permanent paint stains.
  • Proper Scrubbing: When you scrub the concrete surface, use circular motions. Using circular movement has its benefits rather than going back and forth.
  • Use a Garden Hose: After removing spray paint, you will be getting ready to clean. Use a garden hose final cleaning process. This will save a lot of time. And it is more effective.

Hire a Professional to Remove Spray Paint from Concrete

Whenever you try a complicated method like sandblasting or angle grinding, hiring a professional is always a good idea. Even though it will cost you some money, you do not have to worry about damaging the concrete surface, and also, it will save a lot of time.

Even for methods like using TSP, you should hire a professional if you don’t know how to use this solution correctly. It will ensure your safety.

Final Thoughts

We hope that, with this article, you were able to get a clear answer to how to remove spray paint from concrete. The above seven methods are the best solutions for removing spray paint from concrete; depending on the requirement and the budget, you can choose one of these methods.

However, if you are concerned about using chemicals, make sure to choose from a pressure washer, sandblaster, or angle grinder. But, if you do not know how to use a sandblaster or angle grinder, pick the pressure washer; Using a pressure washer is not that difficult, and it will also save a lot of time.

On the other hand, if you are comfortable using chemicals, you can choose a solution like TSP. Even though it comes with some safety concerns, using TSP is one of the best options for removing spray paint from concrete.

Randy Charles
Randy CharlesProfessional Painter

Hi, I’m Randy Charles, the creator and chief editor of this site Paintcentric. I’m a businessman now by profession, but I used to work as a painter earlier in my professional career. There is simply nothing about painting that I didn’t do as a painter. From painting a fridge to a multi-storied building, I left nothing. I retired from my painting job in the mid of 2018 due to back arthritis problems.

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