WD40 is a light-penetrating oil that can be effective in loosening latex spray paint from concrete surfaces. Oils such as WD40 can effectively peel latex spray paint off concrete surfaces by penetrating the surface. The WD-40 works well with latex paint. It will help you soften it so you can easily remove it with water afterwards.
Removing spray paint from concrete may require chemicals and tools, such as a sandblasting machine and a pressure cleaner. You should apply the solvent and let it sit for a while until the paint weakens and is easy to remove. Home remedies, such as vinegar and dish soap, may also work. Because this method generates a lot of dust, it requires the use of a suitable vacuum to handle concrete dust (which is another expense if you don't already have one).
They are professionals who have the right equipment to remove paint from concrete quickly, easily and without any mess. If you don't protect yourself from the chemical properties and vapors of paint, you'll have to worry about cleaning your lungs of paint residues in the long term. In addition to hurting your eyes, paint stains will affect the quality of your future repainting work if you don't remove them now. After everything is prepared, you can apply the paint to the concrete with sweeping movements until the paint peels off.
The use of turpentine can dissolve oil-based paints and varnishes, however, this solution should be used with caution because it contains aggressive chemicals and vapors that can harm your health. Whether you're trying to remove a small amount of leftover spray paint from your driveway or intend to remove graffiti from a sidewalk or wall, the following tactics will help. In the world of home improvement, it's generally accepted that TSP is an excellent cleaner and paint remover, even when fighting old paint. Since the concrete paint is ground, this method does not require the use of any toxic chemicals.
Opt for a soy gel paint stripper such as Citristrip (see on Amazon) because it is a more natural way of stripping paint, it usually has a more pleasant smell and is not harmful to the skin. Avoid destroying the color and appearance of concrete with a stripper or trisodium phosphate. Using paint strippers Trisodium phosphate (TSP) and methylene chloride paint strippers are popular options for removing spray paint from concretes. You have several options to choose from, and although chemicals are used, it's not on the same level as using TSP or paint thinner.
To keep things simple, choose a small (4.5 inch) to medium (6 inch) manual grinder and a paint stripper wheel (disc).