Chimney Flashing Repair on the CT Shoreline. Fix the Roof-to-Chimney Transition.

Roof Repair Pro provides chimney flashing repair across the CT Shoreline for leaks and failures where roofing meets masonry. Based in Madison, CT, we repair step flashing, counterflashing, apron flashing, back-pan flashing, surrounding shingles, failed sealants, and localized decking damage around chimney transitions.

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Licensed and Insured

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35+ Years Shoreline Experience

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Free Estimates

Why Chimney Flashing Deserves Its Own Repair Service

Chimney flashing is one of the most complex transitions on a pitched roof because water must be directed around four sides of a masonry penetration. A failure in one component can send water behind the flashing system and into the roof or wall cavity.

Chimney flashing repair has stronger and more specific homeowner intent than general flashing repair, which is why we treat it as its own service while keeping step, sidewall, vent, and other flashing types within the broader Roof Flashing Repair page.

Chimney Flashing Components We Repair

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Step Flashing

Individual pieces of step flashing protect the sides of the chimney where each shingle course meets masonry.

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Counterflashing

Counterflashing overlaps the step or base flashing and is integrated into or sealed against the masonry.

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Apron Flashing

Apron flashing protects the downslope face of the chimney and directs water onto the roof surface.

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Back-Pan and Saddle Flashing

The uphill side of the chimney must divert water around the masonry, especially on wider chimneys where water volume is greater.

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Surrounding Shingles and Decking

Water entering at failed flashing can damage nearby shingles, underlayment, and decking. We inspect the complete roof-side transition.

How We Diagnose and Repair Chimney Flashing

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Step 1: Inspect the Leak Pattern

We look at interior staining and exterior conditions to understand how water may be moving around the chimney.

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Step 2: Inspect Every Flashing Component

We check the sides, front, back, mortar joints, surrounding shingles, and accessible decking.

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Step 3: Identify the Failed Detail

We determine whether the leak comes from step flashing, counterflashing, sealant failure, back-pan details, or surrounding roofing.

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Step 4: Provide a Written Quote

We explain the repair scope and price before work begins.

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Step 5: Complete the Roof-Side Repair

We repair or replace the failed flashing components and any localized roofing damage connected to the leak.

What If the Chimney Leak Is Not Coming From the Flashing?

Water around a chimney can also enter through the chimney cap, crown, chase cover, or upper masonry. If our inspection shows the source is above the roofline rather than the roof flashing, we can refer that work to Chimney Cap Pro of Connecticut at https://www.chimneycapproofct.com/.

Know What You Are Paying Before We Show Up

Repair cost depends on the exact failure, access, materials, roof pitch, and whether surrounding shingles, flashing, or decking also need attention. You receive a written quote before any work begins, and we explain the complete scope before you decide to move forward.

Get the Problem Diagnosed Before It Gets Worse.

Small roof failures can lead to larger water damage when they are left through repeated rain and winter weather. Call us or fill out the form to schedule an inspection anywhere across the CT Shoreline.

Frequently Asked Questions About Chimney Flashing Repair

Common questions we hear from homeowners and property owners across the CT Shoreline.

  • How do I know if chimney flashing is leaking?

    Chimney flashing may be leaking if water stains appear near the chimney, moisture shows in the attic around the chimney chase, or the leak is worse during wind-driven rain. The flashing system includes several pieces around the roof-to-masonry transition, and failure can occur at step flashing, counterflashing, apron flashing, the back pan, sealant joints, or adjacent shingles. An inspection helps determine whether the water is roof-side or coming from another chimney component.

  • Can chimney flashing be repaired without replacing the roof?

    Yes, chimney flashing can often be repaired as a localized project when the surrounding roof is still serviceable. The repair may involve replacing or resetting flashing, lifting and restoring nearby shingles, correcting sealant joints, and repairing limited decking damage if present. A full roof replacement is not automatically necessary just because water is entering around the chimney.

  • Is chimney flashing the same as a chimney leak?

    No. Chimney flashing is one possible source of a chimney-area leak, but water can also enter through the chimney cap, crown, chase cover, masonry, or other upper-chimney components. Roof Repair Pro focuses on the roof-side transition and surrounding roofing, while chimney-top failures may need a chimney specialist. Diagnosing the source first prevents the wrong component from being repaired.

  • Do you replace counterflashing?

    Yes, when failed counterflashing is the source of the problem and the surrounding roof and masonry allow a proper localized repair. Counterflashing overlaps the base or step flashing and helps keep water from entering the roof-to-wall or roof-to-chimney joint. If it is loose, corroded, poorly embedded, or no longer sealing correctly, it may need to be reset or replaced as part of the flashing repair.

  • What areas do you serve?

    We are based in Madison and provide chimney flashing repair throughout the Connecticut Shoreline. Our normal coverage includes shoreline communities in New Haven and Middlesex counties where we perform roof-side chimney flashing, shingle, and localized decking repairs. Call (475) 800-8876 if you want to confirm service for your property.

  • Can movement in chimney masonry cause intact flashing to separate from the roof?

    Yes, chimney masonry movement can cause flashing to separate even when the flashing itself is not visibly broken.


    Chimneys and roofs expand, contract, settle, and weather differently. Over time, small masonry movement, mortar deterioration, freeze-thaw cycles, or roofline shifting can open gaps between the chimney and the flashing system.


    Roof Repair Pro inspects chimney flashing, counterflashing, step flashing, apron flashing, surrounding shingles, sealants, and localized decking. If the roof-side flashing is the source, we can repair the transition so water sheds away from the chimney properly.

  • How can I tell if my chimney flashing needs to be repaired or replaced?

    Your chimney flashing may need repair or replacement if you see water stains near the chimney, loose metal, cracked sealant, gaps, rust, lifted shingles, deteriorated mortar, or leaks during wind-driven rain.


    Chimney flashing protects one of the most vulnerable roof transitions. Even a small separation between the roof and chimney can allow water to enter behind the shingles or masonry.


    At Roof Repair Pro, we inspect step flashing, counterflashing, apron flashing, back-pan flashing, surrounding shingles, sealants, and localized decking. If the flashing can be repaired properly, we explain that. If it has failed too far, replacement may be the better fix.

Stop Water at the Roof-to-Chimney Joint.

If water is showing up around your chimney, we can inspect the complete roof-side transition, identify the failed flashing detail, and give you a written repair quote.