About This Service
Wood-burning fireplaces are simple machines that wear in predictable places: firebrick joints crack from thermal cycling, dampers warp and rust, smoke shelves collect decades of debris, and grates and screens fail. Wood fireplace repair puts the whole burning system back in honest working order.
We rebuild firebox joints with true refractory mortar (not the caulk-tube shortcuts that fail in a season), free and repair dampers, correct smoking problems at their cause, and make sure the fireplace you light in November is the one you can trust in January.
Signs You Need Wood Fireplace Repair
- Mortar joints in the firebox cracked or missing
- The fireplace smokes into the room in certain winds
- The damper is stuck, warped, or won't seal
- Rust flakes or debris falling onto the grate

What Service Looks Like
Full assessment of the firebox, damper, venting, and surround — with photos.
Repairs scoped and priced in writing before any work starts.
Work done with correct refractory materials and manufacturer parts.
Operational test with you present, so you see it working before we leave.
Why It Matters for Safety
The firebox and its surround are engineered as a containment system; every open joint or cracked panel is a breach in it. Manufacturers and NFPA 211 are unambiguous: visible firebox damage means stop burning until it's repaired.
Maintenance Tips From Our Technicians
- Vacuum ash regularly, but leave an inch — an ash bed insulates and improves burning.
- Cracks in firebox joints are stop-burning findings; check monthly during season.
- Operate the damper fully monthly even off-season to keep it free.
- Glass doors closed at night reduce heat loss and stray embers.
Why Homeowners Choose Donovan Chimney & Fireplace
Since 1998, Donovan Chimney & Fireplace has served the Front Range with one operating principle: show the customer the evidence, price the work in writing, and do it right the first time. Our technicians are trained, insured, and background-checked — and because we're open 24/7, the urgent version of this problem always has someone answering.
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Frequently Asked Questions
Why does my fireplace smoke when it's windy?
Wind-induced downdraft usually points to termination problems — cap design, flue height relative to the roofline, or nearby trees. It's correctable; the fix depends on which cause the assessment finds, and we test rather than guess.
What mortar is used inside a firebox?
Refractory mortar rated for direct flame contact — regular mortar and hardware-store 'fireplace caulk' both fail under real heat. Correct material is half of why a proper firebox repair lasts.
How soon can you come out?
Routine appointments are usually available within the week, and our 24/7 emergency line handles the situations that can't wait. October and November book fastest — spring and summer scheduling is easiest.
Request a Free Estimate
We're open 24/7. Fill this out and we'll get right back to you — or call 720-310-3798.
Book Wood Fireplace Repair Today
We serve Denver, Fort Collins, Colorado Springs, and every community around them — see the full service area list.
Emergencies don't keep business hours and neither do we: our phone answers 24 hours a day, 7 days a week.
