Tuck-point Chimney Mortar joint Repair Explained

Tuckpointing- The replacement of worn/missing mortar joints. Bad mortar joints are ground out with a diamond blade. New mortar is applied to the joints. The mortar has a bonding agent mixed into it to ensure a strong bond to brick surfaces. Siloxane waterproofing is applied after a 30-day cure period as an extra layer of protection to the repair. See photos below (Click on photos to enlarge view:)

Worn mortar joints ground out with a grinder. Preparation for chimney tuckpoint repair.

New mortar applied to the prepared joints.

 

Mortar joints tooled smooth.