Restore the brick joints to begin restoring the brick mortar joints a process commonly known as tuck pointing first prep the area to ensure good mortar adhesion image 1.
Repairing cracks in chimney crown mortar.
Concreting cracks if you do not want to make a new crown you could simply fill up the cracks that are visible.
Mortar holds bricks together.
New mortar is smooth and solid but as the seasons go.
Caulking a good alternative to concreting is sealing or caulking up crown cracks.
How to repair a chimney crown step 1.
After a couple of years they crack.
One major avenue for water to enter your home and cause damage is at the joint.
Patch cracks in the large crown area.
Caulk around the flue and the crown.