How to cut a brick wall opening

Jye
View the video
Pause video

How to cut a brick wall opening

View the video
×

More D.I.Y. Advice

Man measuring project 01:57

Tools & D.I.Y. Skills How to calculate square metres Learn how to calculate in square metres to make sure you order enough materials for your renovations and D.I.Y. projects.

Cordless Drill

Tools & D.I.Y. Skills Cordless drill buying guide The cordless drill will be the most used power tool you’ll own, so deciding which one to buy is an important decision. This guide will help you choose the cordless drill that’s right for you.

install hinges and gass struts

Tools & D.I.Y. Skills 5 cordless power tools that will make your D.I.Y. projects easier Cordless power tools offer you the flexibility and freedom to work just about anywhere. They’re portable, light weight and easy to handle. Here are our top five cordless tools that will help make your D.I.Y. dreams a reality.

Selection of tools 03:42

Tools & D.I.Y. Skills How to choose tools for your toolbox Check out this list of basic tools that are great for every tool box.

circular saw

Tools & D.I.Y. Skills Five things you need to know before selecting any power tool If you’re looking for a new power tool, there are few terms you need to know that may influence which one you buy. Here’s a look at five of the most common things you’ll hear when you’re out shopping for power tools.

Man welding the metal pieces together 03:22

Tools & D.I.Y. Skills How to arc weld You can use an arc welder to join heavy pieces of metal together. We show you how to use an arc welder safely.

Man using small step ladder 03:10

Tools & D.I.Y. Skills How to use a ladder correctly Ladders are very useful, but it’s important to keep safe and use them correctly. We show you how to use three different ladders properly.

Man marking drill point tile 01:14

Tiling How to drill into tiles If you want to attach something to a tiled wall, you’ll need to drill holes through the tiles. Learn how to drill them cleanly and safely.

Project Overview

If you are planning to install a new window, door or access panel into a brick wall, you’ll need to cut a new opening in the bricks. We can show you how to cut into brick using an angle grinder. You’ll also learn the best tools to use, how to measure and mark up, and the best way to knock the bricks out safely.

Continue to Step-by-step instructions.
Time Required

Done in a Day

Done in a Day

You'll need to set aside a day to comfortably complete this project

 

Step by Step Instructions

1 Before you start cutting into the brick wall, install a lintel
2 Cut the opening in the wall
3 Loosen the mortar between the bricks
4 Knock the bricks out of the wall
  • Step 1. Before you start cutting into the brick wall, install a lintel

    Before cutting an opening in a brick wall, you need to install a steel lintel above where you want the hole. This will ensure that the wall remains properly supported and won’t collapse under its own weight. Check out our How to Install a Lintel video to find out more. Once the lintel is installed, mark out your vertical cutting lines with a spirit level.
  • Step 2. Cut the opening in the wall

    Use an angle grinder to cut the straight vertical lines into the wall. A lot of brick dust will be kicked up, so wear a dust mask, safety glasses and earmuffs. Remember, you get a much cleaner cut if you don’t push too hard on the angle grinder and just let the tool do the work.
  • Step 3. Loosen the mortar between the bricks

    Use a hammer drill and masonry bit to drill holes in the mortar between the bricks you want to remove. Mortar is a lot softer than brick so you can do this quite quickly. It makes it easier to knock the bricks out of the wall, rather than having to use excessive force.
  • Step 4. Knock the bricks out of the wall

    Use the mash hammer and brick bolster to remove the bricks from the opening. Hit carefully near the edges of the opening to preserve the clean edges of the bricks. You should also be careful when removing the top bricks so that you don’t disturb the lintel.
Man measuring project 01:57

Tools & D.I.Y. Skills How to calculate square metres Learn how to calculate in square metres to make sure you order enough materials for your renovations and D.I.Y. projects.

Cordless Drill

Tools & D.I.Y. Skills Cordless drill buying guide The cordless drill will be the most used power tool you’ll own, so deciding which one to buy is an important decision. This guide will help you choose the cordless drill that’s right for you.

install hinges and gass struts

Tools & D.I.Y. Skills 5 cordless power tools that will make your D.I.Y. projects easier Cordless power tools offer you the flexibility and freedom to work just about anywhere. They’re portable, light weight and easy to handle. Here are our top five cordless tools that will help make your D.I.Y. dreams a reality.

Selection of tools 03:42

Tools & D.I.Y. Skills How to choose tools for your toolbox Check out this list of basic tools that are great for every tool box.

circular saw

Tools & D.I.Y. Skills Five things you need to know before selecting any power tool If you’re looking for a new power tool, there are few terms you need to know that may influence which one you buy. Here’s a look at five of the most common things you’ll hear when you’re out shopping for power tools.

Man welding the metal pieces together 03:22

Tools & D.I.Y. Skills How to arc weld You can use an arc welder to join heavy pieces of metal together. We show you how to use an arc welder safely.

Man using small step ladder 03:10

Tools & D.I.Y. Skills How to use a ladder correctly Ladders are very useful, but it’s important to keep safe and use them correctly. We show you how to use three different ladders properly.

Man marking drill point tile 01:14

Tiling How to drill into tiles If you want to attach something to a tiled wall, you’ll need to drill holes through the tiles. Learn how to drill them cleanly and safely.

Please make sure you use all equipment appropriately and safely when following the advice in these D.I.Y. videos. You need to be familiar with how to use equipment safely and follow the instructions which came with the equipment. If you are unsure, you may feel it is safest to consult an expert, such as the manufacturer or an expert Bunnings team member.

Top of the content