How to Cut a Hole in a Brick


Many houses are built out of brick, as it is a strong and durable material. There are many different types and styles of brick, but all of them will follow the same cutting procedures. Exterior brick on your home may need to be cut to open a hole for an exhaust duct to the outside of the house. This hole can be cut by any homeowner, with only a few tools and some simple instructions.

Things You'll Need

  • Tape measure
  • White chalk
  • Masonry blade
  • Circular saw
  • Chisel
  • Hammer
  • Clean rag
  • Safety goggles
  • Gloves
  • Dust mask
  • Measure and mark the outside of the house at the cut location. Outline the cut area with a white piece of chalk. Inspect the cut location at the inside of the house and verify there are no electrical wires or pipes in the way.

  • Attach a masonry drill bit to a circular saw and line up the blade of the saw at the cut location. Adjust the blade to the deepest depth. Turn on the saw and push down on the trigger to start the blade. Run the blade carefully over the white chalk line. Move around the entire perimeter of the line.

  • Push down firmly into the brick until the blade of the circular saw has gone through the brick around the entire perimeter. Slide a small chisel into the hole on the brick and hit it further in place with a hammer. Move the chisel around all of the mortar connecting the pieces of brick together.

  • Hammer down until the brick becomes loosened and pull it out by hand, beginning with the bricks in the center of the hole. Slide the hammer behind the bricks on the inside of the house once the hole is big enough and hammer out the rest of the brick.

  • Wipe away any excess debris and dust with a clean rag. Wipe down the area with the rag. Dampen the rag and wipe down the opening again.

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