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How do I create a concave mortar joint?

   How to create a concave mortar joint
with a brick jointer

Shop for Brick Jointers
Toolbank concave brick jointer

Step 1 – Select jointer

Select a concave jointer.

*Concave Joint with red section highlighted Use the end of the jointer that you have identified as the correct radius for the mortar gap.
applying pressure to the mortar

Step 2 – Hold midsection

Hold the midsection of the jointer between your thumb and forefinger.

Align the jointer against the mortar joint

Step 3 – Align jointer

Align the jointer so it is ready to compress the mortar in-between the bricks.

Smooth in one direction

Step 4 – Carry out jointing

Carry out a smooth jointing motion, working in the same direction throughout.

Tool vertical joints followed by horizontal joints.

Brush away excess mortar

Step 5 – Brush away excess

Gently brush away excess mortar from the brickwork, be careful not to smear it against the brick. Leave the mortar to set.

Concave joint brickwork Finished concave mortar joints will look like this.

Wonkee Donkee Tools