How to Sandblast Paint Off Concrete


Sandblasting is an effective method for removing paint from concrete surfaces when you use the equipment properly. Incorrectly using a sandblaster can damage the concrete surface. A sandblaster is a powerful tool that you need concentration and protective clothing to operate. Work slowly when sandblasting paint off concrete for the best results.

Things You'll Need

  • Safety glasses
  • Gloves
  • Respiratory mask
  • Sandblaster
  • Sand
  • Put on protective safety glasses, gloves and respiratory mask. Ear protection is also recommended.

  • Close the valves on the sandblaster and fill the machine with sand to the fill line.

  • Pull the O-ring to seal the fill valve closed and connect the sandblaster to the pressure washer or air compressor.

  • Turn on the sandblaster and open the nozzle valve slowly. A fine mist of sand will spray from the nozzle.

  • Direct the sand mist onto the concrete surface in a slow smooth motion beginning in the corner. Work in a straight line up and down and then across the concrete until the paint is removed. Keep the sandblaster's nozzle constantly moving to avoid damaging the concrete surface.

Tips & Warnings

  • Crystalline silica, which is sometimes a component in the sand used in sandblasters, is a harmful toxin that can lead to death if you inhale large amounts.

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  • Photo Credit Polka Dot Images/Polka Dot/Getty Images
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