How to Paint Old Concrete Floors

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Old concrete floors may hold a certain charm for some people but they can also look dull and cold, especially in a basement or garage that doesn't receive much natural light to begin with. Choose from a bright, eye-popping color or a classic neutral and transform the entire look of a room by painting the floor -- just be sure you use a paint that is specifically formulated for use on concrete.

Things You'll Need

  • Broom
  • Vacuum
  • Bleach
  • Water
  • Mop
  • Paintbrush
  • Paint roller
  • Painting pole
  • Sweep and vacuum the floor to remove all dust and debris.

  • Remove any paint splatters, old adhesives or stains from the concrete.

  • Repair any cracks or crumbling patches of concrete.

  • Sweep the floor a second time then mop thoroughly with a mixture of 1 part bleach to 4 parts hot water. Allow the concrete to dry for 24 hours.

  • Paintbrush a coat of concrete primer around the perimeter of the room.

  • Apply primer to the remainder of the floor with a thick-napped lambswool roller attached to a pole. Start at the end of the room and work backwards towards the door, one section at a time. Pour a small amount of primer directly onto the concrete and roll in a "W" pattern to fill in the space. Repeat with each section of the floor until it is completely covered. Wait 12 to 24 hours for the primer to dry.

  • Paint the perimeter of the room with a brush. Fill in the remaining space using the same technique used for priming. Allow the paint to dry for 12 to 24 hours and apply a second coat. Wait three to seven days before walking on the floor.

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  • Photo Credit Hemera Technologies/AbleStock.com/Getty Images
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