If all else fails try using a lacquer thinner or chemical stripper to remove spray paint from concrete.
How to remove paint from concrete walls without chemicals.
While these non toxic paint removers don t require gloves or extensive ventilation you should still take some precautions.
Very slippery and messy when working with these products but they do work.
If you are a homeowner with small children or pets you may want to remove the paint from your concrete without using potentially harmful chemicals.
Method 2 to remove paint from concrete with soda blasting.
Soda blasting is a great way to remove paint from large areas of concrete.
Apply a chemical paint stripper to the concrete surface.
When you set out to remove paint from concrete the first thing to do is clean the surface of the concrete thoroughly.
Sanding will not remove the paint from your concrete floors.
Soda blasters and pressure washers are the most eco friendly options.
The type of stripper you should use depends on the type of paint you are trying to remove such as water based or oil based paint.
Ok i know i said the purpose of this post was to give you ways of removing paint from concrete without chemicals but technically speaking this method is not utilizing the help of a chemical.
Clean the concrete surface thoroughly and let dry.
Removing spray paint from concrete with chemicals.
One option would be to use a product called soy gel or beanie doo both are non chemical natural based products that soften the paint and then you can scrape it off.
Paint removers that don t contain methylene chloride such as 3m safest stripper and removall biowash waste paint hardener remove paint just as well without exposing you to toxic chemicals.
If in doubt use a stripper designed for removing oil based paints.
Paint stains on concrete completely disappear using this method leaving you with a clean surface for repainting if necessary soda blasting is also an environmentally friendly way to remove paint from concrete and causes no damage to the underlying concrete.
There are non toxic soy based gel cleaners that are available that can help lift that paint stain up off the cement.