Chimney Leak Repair in Colorado
Need chimney leak repair? Donovan Chimney & Fireplace serves Denver, Fort Collins & Colorado Springs with 25+ years of experience. Family-owned since 1998 · Licensed & insured · Open 24/7.
About This Service
Chimney leaks are detective work: water can enter at the crown, the cap, the flashing, the masonry face, or a chase cover — then travel along the structure and appear as a stain rooms away. Effective leak repair starts with finding the true entry point, and that's the part most 'repairs' skip.
We diagnose systematically — visual inspection of every water pathway, moisture readings, and controlled water testing when the source isn't obvious — then fix the actual entry point. It's why our leak repairs end the problem instead of relocating it.
Signs You Need Chimney Leak Repair
- Ceiling or wall stains near the chimney chase
- Damp firebox or musty smell after storms
- Paint bubbling or drywall softening around the fireplace
- White mineral staining on interior chimney brick
How We Chase a Leak
Every water pathway gets inspected: crown, cap, flashing, masonry faces, chase cover.
Moisture readings and controlled water testing isolate the true entry point.
The actual entry is repaired — with the right trade skills for that component.
We verify dry, document the work, and tell you what (if anything) to watch.
Why It Matters for Safety
Chronic chimney moisture rusts dampers and fireboxes, delaminates flue tiles, breeds mold in adjacent cavities, and in freeze country, mechanically destroys masonry. Leak repair is the intervention that stops all five at once.
Maintenance Tips From Our Technicians
- After repairs, watch previously stained areas through one full freeze-thaw spring.
- Maintain all four defenses together: cap, crown, flashing, repellent.
- Musty firebox smell after storms is a leak announcing itself early — listen.
- Photograph your chimney annually; comparing photos catches slow changes eyes miss.
Why Homeowners Choose Donovan Chimney & Fireplace
Donovan Chimney & Fireplace has been doing this work across Colorado since 1998 — long enough to have seen every version of this problem and every shortcut that fails. We diagnose before we quote, we document what we do, and our 24/7 line means you're never waiting until Monday with a chimney question that can't wait.
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Frequently Asked Questions
Why does my chimney only leak in spring?
Freeze-thaw leaks are a Colorado signature: winter snow sits on the crown and upper masonry, melts on sunny days, refreezes at night, and works through defects that summer rain never finds. Spring melt then reveals a winter's worth of intrusion at once.
My roofer already resealed everything — why is it still leaking?
Because sealant treats symptoms. If water enters through a porous crown, saturated brick, or a failed chase cover, no amount of caulk at the roofline stops it. Finding the real entry point is the repair.
Do you offer free estimates?
Yes — estimates are free and put in writing. Call 720-310-3798 any time (we answer 24/7) or use the form on this page, and we'll schedule a visit at your convenience.
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 Chimney Leak 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.