How to Cut Brick With a Water-Cooled Angle Grinder

Written by alexander callos
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How to Cut Brick With a Water-Cooled Angle Grinder
Angle grinders can be used to cut brick. (Jupiterimages/Comstock/Getty Images)

An angle grinder with a masonry blade is the perfect tool for cutting brick. Brick puts out a lot of dust when being cut, so a water-cooled angle grinder will work great. This machine keeps the blade wet and prevents a build-up of sawdust to make for an easier cut. The first step is to make sure you measure the cut to the proper size.

Skill level:

Things you need

  • Tape measure
  • Black marker
  • Ruler
  • Scrap lumber
  • Diamond masonry blade
  • Clean rag
  • Safety goggles

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  1. 1

    Measure the piece of brick to be cut and mark the exact cut location with a black marker so it is clearly visible. Draw a line straight across the brick with the marker using a ruler or straight edge to ensure the line is perfectly straight.

  2. 2

    Set two pieces of scrap lumber down on the ground. Space them out so they are slightly less than the length of the brick. Set the brick down on top so it lays flat on both pieces and doesn't touch the ground.

  3. 3

    Attach a diamond masonry blade to a water-cooled angle grinder and tighten into place. Line the blade up to the mark on the brick. Hold the angle grinder in both hands and ensure the blade is moist with water.

  4. 4

    Push the blade firmly into the mark on the brick and press the trigger to start the blade. Cut straight through the brick with the angle grinder moving from one side to the other. Press down on the brick to ensure it does not move when you are cutting and release the trigger after it has been cut in two.

  5. 5

    Hold the angle grinder until the blade stops spinning and set it down on the ground. Wipe away any excess dust on the piece of cut brick with a clean rag and measure the brick to verify the proper cut was made.

Tips and warnings

  • Always wear safety goggles when you are working with an angle grinder to protect your eyes from debris.

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