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Stop Chimney Leaks at the Source
Chimney Flashing Replacement & Repair in Cincinnati
We fix and replace damaged chimney flashing to stop leaks, prevent water damage, and protect your roofline—keeping your home safe and dry through every season.
Get Your Free Chimney Flashing Replacement & Repair Estimate
Understanding Chimney Flashing
What Is Chimney Flashing?
Chimney flashing is a protective metal barrier installed where the chimney meets your roof. It directs water away from this vulnerable joint—keeping rain, snow, and moisture out of your attic and home.
In Cincinnati’s climate, flashing takes a beating from heavy rains, winter snow, and freeze-thaw cycles. If it’s cracked, rusted, or poorly installed, water can seep in and cause rot, mold, and leaks—issues that spread quickly in Ohio’s humid summers.
How Flashing Works
Understanding the Components of Chimney Flashing
Flashing is usually made from aluminum or galvanized steel, and it includes two main components that work together to protect your chimney and roofline from water intrusion:
Step Flashing
Installed beneath the shingles, each layer overlaps the next up the roofline. It channels water away from the chimney joint—essential during Cincinnati’s spring storms and snow melts.
Counter Flashing
Embedded into the chimney mortar joints, this layer covers and protects the step flashing. It prevents water from seeping in as mortar expands and contracts during freeze-thaw cycles.
Both must be precisely installed and sealed to withstand Cincinnati’s variable weather.
Common Causes + Warning Signs of Flashing Failure
Why Flashing Fails in Cincinnati
Flashing is critical to preventing water intrusion around your chimney, but it can fail due to weather, age, or poor installation. Spotting issues early helps avoid costly water damage to your home.
Common Causes
Storms & Settling – High winds or shifting structures can loosen flashing.
Poor Installation – Improper layering or sealing leads to early failure, especially during spring rains.
Freeze-Thaw Cycles – Temperature swings cause expansion and contraction, leading to cracks.
Rust & Corrosion – Constant moisture wears down metal over time.
Roofing Work – Flashing reused or patched during roof jobs can leak.
Historic Homes – Older architecture often needs customized flashing solutions.
Warning Signs
Water stains on ceilings or attic walls
Musty smells after rain
Rust, gaps, or buckled flashing at chimney base
Mold or mildew in attic spaces
Shingles pulling away from the chimney
Ice dams forming around the chimney in winter
Why Fix It Now?
Benefits of Proper Chimney Flashing Repair
Acting early on flashing issues can prevent much larger (and more expensive) repairs down the line.
Stops Leaks at the Source
Prevents water from infiltrating during heavy rain and melting snow.
Preserves Roof & Chimney Life
Protects against rot and deterioration in our humid climate.
Improves Energy Efficiency
Seals air gaps that cause heat loss during cold winters.
Prevents Mold & Mildew
Keeps moisture from accumulating in walls and ceilings.
Saves You Money on Repairs
Prevents major structural repairs by addressing flashing early.
Boosts Home Value
A properly sealed chimney improves curb appeal and buyer confidence.
How We Do It Right
Our 4-Step Flashing Repair Process
We go beyond patching—we install flashing designed to withstand Cincinnati’s toughest conditions.
STEP 1
Inspection
We assess the chimney and roofline, looking for common regional issues like storm damage or freeze-thaw wear.
STEP 2
Clean & Prep
We remove old flashing and prep the surface for a weather-tight seal.
STEP 3
Repair or Replace
We use durable aluminum or galvanized steel and advanced waterproofing methods tailored for Ohio’s climate.
STEP 4
Final Testing & Walkthrough
We test the flashing and review the work with you—so you know it’s done right.
Avoid Further Damage
Book Your Free Estimate Now
Experience You Can Trust
Why Choose ChimneyWorks?
With 20+ years of experience, we’ve earned Cincinnati’s trust for expert chimney repair and flashing done right. We never oversell, always explain your options, and stand behind our work with a 100% satisfaction guarantee.
2,000+
Chimneys Restored
3,500+
Chimneys Waterproofed
1,500+
Leaks Fixed
100%
Satisfaction Guarantee
What Our Customers Are Saying
Here's what our customers have to say about their experience with ChimneyWorks and the quality service we provide.
"We had Chimney Works come out to clean our unique, double-sided wood-burning fireplace in our new home. Jeremy did a great job in not only cleaning it, but showing detailed video of what issues it has and the options to correct. He was professional and on time. Great service - would recommend!"
- Chris Maertz
"Great company, very easy to schedule for our chimney sweep. Our technician James Wilson and his partner were very polite and friendly, they took extra care to ensure there was no mess inside the house and James went above and beyond explaining what he found during the inspection and fixed the issues with some cracks on the chimney where water was getting in, filled the cracks and sealed everything saving us from a hefty repair in the future! We will continue to use them for all our fireplace needs! Highly recommend."
- Tonia Nixon
"Chad N did our chimney cleaning and inspection and I cannot say enough positive things about our experience with him! He was not only on time but and professional but went above and beyond to answer questions and explain everything. He was personable and a joy to talk to. We will definitely use him again and would highly recommend him to anyone needing a chimney cleaning and/or inspection!"
- Amanda Kennedy
"We had Chimney Works come out to clean our unique, double-sided wood-burning fireplace in our new home. Jeremy did a great job in not only cleaning it, but showing detailed video of what issues it has and the options to correct. He was professional and on time. Great service - would recommend!"
- Eric MuellerFrequently Asked Questions
Everything You Need to Know About Chimney Flashing Repair
How do I know if my flashing is bad?
Check for water stains, rust, or buckling around the chimney—especially after storms or snow melt.
Do I need full replacement, or can it be repaired?
Minor damage can often be sealed, but more serious wear (especially from freeze-thaw cycles) may need full replacement.
Do you replace the metal or just use sealant?
We always evaluate first. Sometimes sealant is enough, but in many cases, we install new flashing for long-term durability.
How long does flashing repair take?
Most jobs take 1–2 days, depending on weather. We’ll give you a clear timeline during your free estimate.
Don’t Wait Until It’s Too Late
Protect Your Home with Professional Flashing Repair
Your roofline is only as strong as the flashing protecting it. Let our Cincinnati-based experts protect your chimney before the next storm hits.
Get your free chimney flashing estimate today—no pressure, just honest answers.
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For 20 years, Chimney Works has served the Cincinnati/NKY area with chimney sweeping, chimney inspection, chimney repairs, and fireplace sales and service.
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OFFICE ADDRESS
2450 Civic Center Dr
Cincinnati, OH 45231
Open M-F from 9:00-5:00
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