Chimney Flashing Repair in Janesville, WI

The intersection where your chimney meets your roof represents one of the most vulnerable areas for water infiltration in any home, creating a complex sealing challenge that requires specialized expertise and materials. This critical junction experiences constant stress from thermal expansion, weather exposure, and structural movement that can compromise even properly installed flashing systems over time. When chimney flashing fails, water can penetrate into wall cavities, damage interior finishes, compromise structural components, and create costly problems that extend far beyond the immediate leak location.


Chimney flashing repair involves addressing multiple components including step flashing that follows the roof line, counter flashing embedded in chimney masonry, and base flashing that creates the primary water barrier. Each element must work together seamlessly to direct water away from the vulnerable chimney-roof intersection while accommodating the different expansion rates of roofing materials and masonry construction. 


Janesville Superior Roofing specializes in diagnosing and repairing chimney flashing problems using proven techniques and premium materials designed for Wisconsin's challenging climate conditions. Our experienced team understands that effective chimney flashing repair requires more than simple patching - it demands comprehensive assessment of all flashing components, proper integration with existing systems, and attention to detail that ensures lasting protection.

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Our Chimney Flashing Repair Services

We focus on precise repair methods, durable materials, and thorough inspections to ensure your chimney flashing performs reliably. Our approach prioritizes protecting your home from leaks and structural damage while extending the lifespan of your roof system.

Specialized Repair Techniques

We use tailored techniques to address flashing damage specific to your chimney’s design and roof structure. This includes removing corroded or damaged flashing without harming the surrounding roof components.



Our team fits new flashing strips closely, sealing joints to prevent water infiltration. We also apply waterproof underlayment beneath the flashing where needed, creating an additional barrier.

High-Quality Materials 

We select galvanized steel, aluminum, or copper flashing depending on your roof type and local weather conditions. These materials resist corrosion and maintain flexibility over time.



Our installation process follows industry standards and manufacturer guidelines to ensure a watertight seal. We pay close attention to every seam and overlap.

Comprehensive Inspection

Before any repair, we conduct a detailed inspection of your chimney flashing and surrounding roof areas. We look for rust, cracks, gaps, or signs of water intrusion.



This allows us to identify hidden damage and determine the extent of necessary repairs. We also assess the condition of the roof deck and flashing underlayment.

Signs Your Chimney Flashing Needs Repair

We identify specific signs that suggest your chimney flashing may be failing. Recognizing these indicators early helps prevent water damage and structural issues, ensuring your home remains secure and dry.

Common Warning Indicators

Look for visible signs such as rusted or cracked flashing metal. Peeling paint or water stains on interior walls near the chimney are also clear warnings.


Other indicators include loose or missing flashing pieces and gaps where the flashing meets the roof. Water dripping in the attic or a musty odor can signal leaks caused by damaged flashing.


Regular inspections reveal these issues before they worsen. If you notice any of these signs, it’s important to arrange a professional evaluation promptly.

Potential Risks of Neglect

Ignoring damaged flashing can lead to water intrusion under roof shingles and into your home’s structure. This moisture may cause wood rot, deteriorating roof decking, and degradation of chimney masonry.



Left unrepaired, water leaks increase the chance of mold growth, posing health risks and requiring costly remediation. The structural integrity of your roof and chimney can also weaken over time.


Delaying repair can escalate expenses. Early action on flashing problems protects your home from extensive damage and keeps maintenance costs manageable.

Protecting Your Home’s Integrity

Properly functioning flashing seals the vulnerable joint between your chimney and roof, preventing water penetration. Maintaining this waterproof barrier is essential to avoid leaks and preserve roofing materials.



We recommend routine inspections and timely repairs to extend the life of your flashing and reduce risk. Investing in quality flashing repair safeguards your home’s structure from water damage and preserves its value.


Working with experienced professionals ensures that flashing is correctly installed or replaced using durable materials suited for the Janesville climate.

Why Choose Janesville Superior Roofing

We provide focused, dependable chimney flashing repair tailored to the specific climate and building styles of Janesville, WI. Our team combines local knowledge with proper certifications and a commitment to client satisfaction to ensure quality results with every project.


Local Experience


Our years of serving Janesville and nearby communities give us deep insight into the common challenges chimney flashing faces here. We understand local weather patterns, such as heavy rain and snow, which impact flashing durability. This local experience allows us to select repair materials and methods that stand up well to Janesville’s climate. 


Licensed Professionals


All of our roofing and flashing specialists hold the required licenses to operate in Wisconsin. This compliance ensures our work meets state standards for safety and quality. We carry comprehensive insurance to protect your property and our workers during the repair process. Choosing us means trusting a team that takes legal and safety responsibilities seriously.


Satisfaction Guarantee


We stand behind our work with a clear satisfaction policy. We provide thorough inspections, transparent cost estimates, and prompt communication throughout the project. If issues arise after repairs, we address them promptly with no hidden fees. Our goal is to leave every client confident in their chimney’s protection and our professionalism.

Frequently Asked Questions About Chimney Flashing Repair


  • How much does chimney flashing repair cost?

    Chimney flashing repair costs depend on the extent of damage, chimney size, and materials needed for proper repair. Factors like accessibility, roof pitch, and whether structural repairs are needed affect the investment. At Janesville Superior Roofing, we provide detailed free estimates that specify all materials and labor required for lasting repair. 

  • What does professional chimney flashing repair include?

    Professional chimney flashing repair includes thorough inspection of all flashing components, removal of damaged or deteriorated flashing, proper installation of new step flashing and counter flashing, and integration with existing roofing materials. We also replace deteriorated sealants, repair or replace chimney cap flashing, ensure proper water drainage, and coordinate flashing with chimney masonry work when needed. 

  • How long does chimney flashing repair take to complete?

    Most chimney flashing repairs take 4-8 hours depending on the chimney size, extent of damage, and weather conditions. Simple repairs involving sealant replacement or minor flashing adjustments can often be completed in a few hours, while comprehensive repairs requiring new flashing installation may take a full day. 

  • How do I know if my chimney flashing needs repair?

    Signs your chimney flashing needs repair include water stains on interior walls or ceilings near the chimney, rust or corrosion on visible flashing, loose or missing flashing pieces, and cracked or deteriorated sealant around the chimney base. You might notice water dripping inside the fireplace during rain, white staining (efflorescence) on exterior chimney walls, or damaged mortar joints where flashing meets masonry. 

  • Why is my chimney leaking during rain storms?

    Chimney leaking during rain storms typically results from failed step flashing where the roof meets the chimney, deteriorated counter flashing embedded in the chimney masonry, or damaged chimney cap and crown. Poor or missing sealant around flashing joints allows water to penetrate, while improperly installed flashing creates gaps where water can enter. Storm damage can also loosen flashing or create new openings.