Firebox Repair in St. Augustine, FL
A firebox lining that holds the heat where it belongs.
- Family run
- Locally owned
- Licensed and insured
- Same-day service
Get Your Free Inspection
Request Received
Got it, thank you. Expect a call from the family to book your free inspection.
Or call us at (904) 943-7482
Short version
Firebox repair restores the firebrick lining of a masonry fireplace. Our mason replaces cracked or loose firebrick, repoints open joints with refractory mortar, and rebuilds a firebox whose walls have bowed or worn thin, so heat stays inside the fireplace.
Inspect First, Then Save 10%
Firebox checked for free; book the repair within 72 hours and save 10%.
Why Homeowners Call Us Back
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Family run
The company is run by one family, so the people who price the job are the people who answer for it.
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Upfront, honest pricing
The price is on paper before we start. If something changes, we ask before doing more.
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Workmanship warranty
Our workmanship warranty backs every repair we complete.
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Licensed and insured
Licensed and insured, with an experienced crew on every roof and hearth.
Why Fireboxes Crack
Firebrick is made to take heat, but every fire expands it and every cool-down shrinks it again. Over years, that movement opens joints and cracks bricks, especially on the back wall where the fire sits. Water coming down an uncapped flue speeds it up by softening the mortar.
Florida Building Code, Residential, Section R1001.5 sets the firebox wall requirements for masonry fireplaces. Cracks that open a path through the lining are the ones that matter most.
Fireplace Firebrick Replacement and Repointing
Firebrick repair starts by cutting out cracked or loose units and setting new firebrick in refractory mortar made for fireboxes, following the mortar maker's data. Fireplace mortar repair on open joints means raking out the old mortar and packing in new refractory mortar. Ordinary mortar does not belong in a firebox.
Fireplace brick repair on the face of the opening, outside the firebox, uses regular masonry methods, since it is not in the direct heat.
Firebox Rebuild
When the back or side walls bow, or many bricks have cracked through, a firebox rebuild lays a new firebrick lining. Cracked firebox repair at that point is not worth patching. A full fireplace rebuild, including the smoke chamber, is only needed when the structure behind the lining has failed.
What We Check For
- Cracked back wall bricks
- Heat stress. Damaged bricks are replaced in refractory mortar.
- Open joints
- Repointing with refractory mortar closes them.
- Bowing back wall
- The lining has moved. The wall is rebuilt.
Parts and Materials We Use
- Firebrick
- Dense refractory brick made for direct flame.
- Refractory mortar
- Heat-rated mortar used to the maker's data sheet.
Repair or the Bigger Job
Request a Free Inspection in St. Augustine
- No-charge inspection, priced on paper
- Upfront pricing with no hidden fees
- Family owned and run
Request Received
Got it, thank you. Expect a call from the family to book your free inspection.
Other Services Worth a Look
- Fireplace Repair and ServiceSmoky rooms, poor draw and worn firebox parts repaired.
- Fireplace Hearth RepairLoose hearth tile, cracked slabs and undersized extensions.
- Chimney Damper Repair and ReplacementDampers that stick, rattle or let warm air in, put right.
- Prefab and Zero-Clearance Fireplace RepairFactory-built fireplaces and their metal flue pipe repaired.
- Fireplace RestorationAn unused old fireplace brought back into use.
- Electric Fireplace RepairNo heat, a dead flame effect or a failed remote, sorted.
Signs This Work Is Due
The firebox takes the direct heat of every fire. Its lining of firebrick and refractory mortar protects the masonry and framing behind it. When bricks crack, joints open or the back wall bows, that protection weakens. We replace damaged firebrick, repoint the joints, or rebuild the lining when it has worn through.
- Cracked or crumbling firebrick
- Mortar missing from the joints between firebrick
- A back wall that bows or leans
- Gaps where the firebox meets the hearth
What Sets the Price
- How many bricks are damaged
- A few units or whole walls.
- Access to the firebox
- Inserts or doors may need to come out first.
Proudly American
Owned and run by one St. Augustine family. Our experienced crew puts every estimate on paper and backs its repairs with a workmanship warranty.
Call Now (904) 943-7482Restore the Firebox Lining
Cracked firebrick or worn walls? Find out which before the next fire, free.