01
Inspection first
We run an inspection camera down the flue, check the crown, flashing, and cap, and probe the mortar joints with a jointing tool to see how deep the decay goes. A moisture meter tells us whether water is already inside the brick. This takes 30 to 45 minutes and tells us whether tuckpointing alone will fix it.
02
Grind out old mortar
We cut the failed mortar back to sound material, usually 3/4 inch deep, using a grinder with a diamond blade and a dust shroud. Joints get cleaned out with a chimney brush and blown clear. This is the loudest part of the job and typically takes two to four hours on a standard residential stack.
03
Pack fresh joints
We mix mortar to match the existing brick and pack it in with a masonry trowel, working in small batches so it does not set up before it goes in. Joints get tooled to the original profile while the mortar is still green. A full stack usually takes one to two days depending on height and access.
04
Seal and protect
Once the mortar cures, we apply a vapor-permeable waterproofing sealant so the brick can still breathe. If the crown is cracked, we repair it with crown sealant. If the cap is missing or rusted out, we quote a replacement in the same visit rather than making you schedule a second trip.
05
Walkthrough and warranty
We walk the job with you, show you photos of the joints before and after, and hand over a written workmanship warranty. You get a maintenance window for the next inspection, usually two to three years out. If a joint we packed fails inside the warranty period, we come back and fix it.