How to Cover a Cracked Concrete Porch Floor


Covering a concrete porch floor with an overlay is an excellent way to extend the life of the porch. Cracks can occur through out time, due to normal wear and tear on the porch floor. It is advisable to go ahead and cover the cracks before they become larger and turn into chips, which can lead to even more damage. An updated concrete porch floor is also a great way to add a bit of value to your home if you plan to sell it.

Things You'll Need

  • Assistant
  • Painter’s tape
  • 2-by-6 inch board
  • Heavy object
  • Concrete
  • Bucket
  • Broom
  • Mop
  • Paintbrush
  • Paint roller
  • Acrylic block fill primer
  • Use painter’s tape to tape along the edges of the porch floor where the floor meets the walls at a 90-degree angle. This painter’s tape will help keep the concrete from sticking to the walls and damaging them.

  • Place the 2-by-6 inch board in front of the doorway of the porch and set the heavy object on the other side of the board--away from the concrete porch. This is to keep the concrete from seeping out into the next room.

  • Sweep and mop the concrete porch completely to remove all debris and allow the porch to dry completely.

  • Apply an ample layer of acrylic block fill primer to the porch with a paintbrush. Your assistant should immediately push the acrylic block fill primer into the pores of the concrete with a paint roller. Let the acrylic block fill primer dry, according to the manufacturer’s directions. This amount of time can vary with different brands.

  • Mix your concrete in small batches. Depending upon the brand of concrete you have, the directions may differ, so follow them carefully.

  • Begin working on the side of the porch away from the door. Pour the mixed concrete over the old concrete floor. The concrete will flow down into the cracks and cover them, leveling itself out as you pour it.

  • Let the concrete cure properly for three or four days before walking on it, so as not to leave marks in the fresh concrete.

  • Remove the 2-by-6 inch board from the doorway and pull the painter’s tape from the walls.

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