Do it Yourself Concrete Floor Painting

Always brush away dirt and dust from concrete before applying paint.
Always brush away dirt and dust from concrete before applying paint. (Image: Hemera Technologies/ Images)

Adding style to a room with concrete doesn't necessarily mean adding carpet or other flooring. Finishing concrete floors with paint can achieve the same style goal and doesn't cost nearly as much as other flooring options. Keep in mind that if the area experiences heavy foot traffic, you will likely need to touch up the floor paint from time to time. You can paint a concrete floor in just a few days.

Things You'll Need

  • Broom
  • Vacuum
  • Soap
  • Water
  • Commercial acid
  • Paint
  • Paintbrush
  • Roller

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Allow freshly poured concrete to cure for a minimum of 28 days before you paint it.

Sweep the concrete floors and follow up with a vacuum to remove all dust from the surface. If there is any grease present, use a soap with a degreasing agent to clean it up.

Use a commercial acid designed for concrete to rough up the surface. The process creates the effect of sanding -- a gritty surface is easier for paint to adhere to than a smooth surface. Apply the acid per the manufacturer's instructions.

Thin the paint by cutting it with water at the rate of 1 pint of water per 1 gallon of paint. Use a brush for the first coat, as a brush will apply the paint with more force than a roller.

Allow the first coat of paint to dry for at least four hours.

Apply a second coat of paint. The second coat need not be diluted, and you may apply it with a roller if you prefer. Resume normal foot traffic after 24 hours.

Tips & Warnings

  • Use paint designed for concrete, as it breathes better than traditional paint, allowing moisture to vaporize.


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