How to Cut a Hole Into Cement

Effectively cutting concrete can be a dirty and tricky job and if not performed correctly. Improper cutting can result in costly repairs, so it is very important that you know the correct methods. Knowledge and the right tools are critical when cutting a hole in concrete. Taking the time to learn the proper technique will save you time and money.

Tape measure
Chalk
Concrete saw
Drill
Concrete drill bit
Hammer
Concrete chisel
Eye protection
Dust mask
Wood shims

Instructions

- 1
  Measure the area you want to cut and mark it with chalk. Allow an extra 1/4 to 1/2 inches around the cutting area to accommodate the concrete saw.
- 2
  Position the concrete saw on the bottom chalk mark. Start the saw blade at full speed and slowly move the blade until it touches the concrete. Refrain from forcing the blade into the concrete. Cut to a depth of about 1/4 to 1/2 inches on the first pass.
- 3
  Repeat step two until you have cut completely through the concrete on all sides, stopping before you reach the corners.
- 4
  Position at least three wood shims under the concrete that will be removed. The wood shims will hold the weight once you cut through the entire piece. Position one wood shim in the middle and one one either end.
- 5
  Drill out the corners. Start on the bottom corners and finish with the top corners. Remove the concrete after you have drilled out all four corners. Chip away any areas that are still connected.

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