Working with brick

The mortar colour and joint finish you choose can make a big difference to the look of your home, so it’s important to get it right.

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Dealing with colour variation

Part of the beauty of clay bricks is that no two are identical. The kiln firing process, as well as the raw materials, can create a natural colour and texture variation – not only within packs, but also from pack to pack. To ensure an even colour distribution, it’s important that your bricklayer blends bricks from multiple packs during laying. The recommended method for this is to select units from down and across three to six open packs. By mixing the bricks among themselves, any colour variation between packs will be dealt with correctly.

Mortar colour

Most commonly a neutral mid-grey, mortar can also be coloured, opening up a multitude of ways to personalise your home. Select a mortar that matches your brick colour to create the impression of a large flat area, or a contrasting mortar colour to highlight the shape and colour of the bricks.

Mortar finish

When it comes to mortar finishes, it’s all about the lighting. There are three common finishes – raked, rolled, and flush. A raked finish is recessed, creating deep shadows in the mortar joint, and bringing out the lines of the brickwork. A rolled finish also creates shadow lines, but they are much more subtle. A flush finish doesn’t allow any shadows in the joint to give the wall a flatter, more unified look.


Different mortar colours and finishes work best with different bricks. With some, a raked finish can cause chipping which may be unsightly. We strongly advise following the recommendations in this guide, or talking to the experts in our Selection Centres. You should also discuss your mortar choices with your bricklayer to ensure you get the look you want.


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