How to cut out brick to install a dryer vent

Written by elizabeth knoll
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How to cut out brick to install a dryer vent
You can cut through brick to install a dryer vent without highly specialised tools. (brick wall image by Alison Bowden from

Running a dryer vent through a brick wall can be a little challenging. For homes that have siding as an exterior wall, all you need to do is use a hole saw to drill out your hole. For brick, to drill a circular hole you need a masonry core bit, which can be costly. However, there are other alternatives that allow you to cut out brick to install a dryer vent. These won't leave you with a perfectly clean-looking hole, but the hood of the dryer vent will cover up any imperfections.

Skill level:

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Things you need

  • Safety glasses
  • Gloves
  • Ear protection
  • Tape measure
  • Marker
  • 6 mm (1/4 inch) hammer drill bit
  • Hammer drill
  • Chisel
  • Hammer
  • 10.6 cm (4 1/4 inch) hole saw
  • Drill

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  1. 1

    Put on gloves, ear protection and safety glasses. Flying debris can cause serious injury to unprotected body parts.

  2. 2

    Draw a 10.6 cm (4 1/4 inch) diameter circle on the brick wall where you want your dryer vent to come through the brick. Use permanent marker so that the circle remains visible throughout the process.

  3. 3

    Insert a 6 mm (1/4 inch) hammer drill bit into your hammer drill. Drill through the brick along the permanent marker line. Drill a hole every 6 mm (1/2 inch) around the entire circle.

  4. 4

    Place a chisel on the line and strike it with the hammer. Repeat this process slowly around the entire circle. After the brick circle becomes loose, remove it by hand.

  5. 5

    Insert your 10.6 cm (4 1/4 inch) hole saw bit into your drill and finish drilling the hole through the wall. You'll be drilling through the exterior plywood layer. You should then see a clean hole to the interior of your home.

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