How to Repair a Brick Chimney

Is your brick chimney an eyesore, taking away from the beauty of your home? Over time the mortar gradually cracks and leaves gaps between the bricks that should protect the interior wall of the chimney from the elements. If the repairs are not made to the chimney, the cracked mortar can leak and can be the source of additional damage.

How to Repair a Brick Chimney

Tools Needed

• Jointing Tool


• Brick Trowel


• Soft Brush


• Mortar Mix


• Mixing Container


• Grinder


• Ladder


• Mason's Hammer


• Chisel


• Mason's Trowel


• Hoe

How to Steps

1. Working from the bottom of the chimney, start removing the old mortar a few feet at a time. By using the hammer and chisel or other tools required you can remove all the mortar from between the bricks.


2. After all the old mortar is removed, use the soft brush to clean out the mortar dust or other debris from between the brick .


3. You are now ready to mix a batch of the new mortar by following the package directions.


4. In a container mix the new mortar by using a hoe.


5. Apply the mortar on the mason's trowel. Hold the trowel below the joint you are filling and slowly work the mortar into the joint until filled.


6. When the joints are full in the area you are repairing, scrap off the excess mortar by using the brick trowel.


7. Run the jointing tool across the joints to compress, shape and smooth the joint.


8. Remove any excess mortar.


9. Move up to the next section and repeat the steps above until repairs are completed.