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Cost to Replace Flashing Around Chimney: Insights from Golden Coast Roofing

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By Golden Coast Roofing

Get to know our team at Golden Coast Roofing before you look for a residential roofing company in Sherman Oaks or start your next roofing project!

Replace Flashing Around Chimney

If you’re noticing water stains on your ceiling near the chimney, or if you have an older roof, it may be time to replace your chimney flashing. In today’s post, we’re going to delve into the factors influencing the cost to replace flashing around chimney.

And to guide us through, we’ve gleaned insights from the experts at Golden Coast Roofing. Let’s ensure you’re well-equipped to make informed decisions about your roof.


The chimney flashing might seem like just another part of your roof, but its role is crucial. Nestled around where your chimney meets the roof, this protective sheet ensures no water makes its way into your home. 

By guarding against leaks, it not only maintains the structural well-being of your house but also prevents potential water damage that could be quite costly. It’s a silent guardian, ensuring that, come rain or shine, your home remains safe and dry. For this reason, ensuring that your chimney flashing is in good condition is of utmost importance.

Understanding Chimney Flashing

Chimney flashing is a protective layer wrapped neatly around the base of your chimney. It works diligently to bridge the space between the chimney and the roof. Its primary goal? To form a secure seal that stops water from making its way into your home through the roof. In essence, it’s your home’s frontline defense against unwanted leaks.


The way chimney flashing works is by directing water away from the area where the chimney meets the roof. It is designed to overlap the shingles or other roofing material and is layered in such a way that water is channeled away and down the roof surface.

Signs Your Chimney Flashing Needs Replacement

Visual signs of damage or wear on chimney flashing could indicate that it needs to be replaced. Here are some signs to look out for:

  • Persistent Water Stains: If you notice water stains on the ceilings or walls near the chimney, this could be a sign that the chimney flashing is leaking and requires replacement.
  • Visible Rust or Corrosion: Over time, flashing can rust or corrode. This might lead to cracks and holes, permitting water to leak inside, which suggests the flashing needs a replacement.
  • Deterioration of Mortar Joints: If the mortar joints between the chimney bricks show signs of deterioration, water might seep through, indicating a possible problem with the flashing.
  • Age of Your Roof: Generally, older roofs may have worn-out flashing. If your roof is over 15-20 years old and has never had the flashing replaced, it may be time to do so.
  • Missing Flashing: If you observe that pieces of flashing are missing or have been dislodged, it’s a clear sign that chimney flashing replacement is necessary.

Factors Influencing The Cost To Replace Flashing Around Chimney

Several elements influence the cost to repair chimney flashing, including:

  • Materials Used: The type of material used for flashing can greatly affect the cost of replacement. Aluminum and galvanized steel are less expensive options, but copper, while more expensive, is more durable and lasts longer.
  • Labor Costs: The cost of labor can vary depending on the complexity of the job and the rates of the local contractors.
  • Size and Complexity of the Chimney: A larger or more complex chimney structure will require more materials and labor, thereby increasing the cost.
  • Location: The cost of replacement can also vary depending on the location of your property. Urban areas with a higher cost of living typically have higher contractor rates.
  • Additional Repairs: If other repairs need to be addressed during the flashing replacement (such as chimney rebuilding or repointing), this will also increase the overall cost.

Additionally, if you require a full roof replacement, it may be more cost-effective to replace the broken chimney flashing at the same time to ensure that the entire roofing system is up to standard.

Golden Coast Roofing: Why Choose Us for Your Chimney Flashing Needs?

At Golden Coast Roofing, we pride ourselves on our expertise, commitment, and customer satisfaction. Here are a few reasons why you should choose us for your chimney flashing needs:

  • Experienced Professionals: Our team is composed of seasoned roofing professionals, who have earned a reputation for their expertise and meticulous attention to detail.
  • Quality Materials: We use only the highest quality materials to ensure durability and longevity for your chimney flashing for your metal roof.
  • Competitive Pricing: We offer comprehensive services at competitive prices, ensuring tremendous value for your investment.
  • Excellent Customer Service: Our customer service is second to none. We are committed to ensuring a smooth, hassle-free experience from the initial consultation through to project completion.
  • Comprehensive Solutions: We don’t just replace chimney flashings. If your home requires additional roofing services or repairs, we are capable of providing a comprehensive solution.
  • Local Experts: As a local business, we understand the unique roofing needs and challenges of our community, making us the perfect choice for your roofing needs.
  • Guaranteed Satisfaction: Our primary goal is customer satisfaction. We don’t consider the job done unless you’re fully satisfied with our work.

When it comes to chimney flashing repair for metal roofs, we have the skills and experience to get the job done right the first time. By choosing Golden Coast Roofing for your chimney flashing needs, you can have peace of mind knowing that your home is in good hands.


Chimney flashing is an essential component of any home with a chimney, providing protection against water damage and maintaining the structural integrity of the house. Signs that your flashing may need replacement include visual signs of damage, leaks or water damage near the chimney, and the age of the flashing.

The cost to replace flashing around chimney can be influenced by various factors, including the extent of the damage, the type of roofing material, and the location of the chimney on your roof. It is crucial to choose a reputable company like Golden Coast Roofing to ensure that the job is done right the first time.

At Golden Coast Roofing, we offer expertise and experience in chimney flashing repair, high-quality materials, and fair and transparent pricing. By choosing us for your chimney flashing needs, you can have peace of mind knowing that your home is in good hands. Contact us today to schedule an inspection and get your chimney flashing repaired or replaced! 

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Frequently Asked Questions

Are there different factors that can affect the cost of chimney flashing replacement?

Yes, several factors can influence the cost of chimney flashing replacement. These factors include the type of material used, the complexity of the chimney's design, the extent of damage, and local labor rates. Additionally, the choice between hiring a professional or doing the work yourself can impact the overall cost.

How often should chimney flashing be replaced?

Chimney flashing should be replaced when it shows signs of wear or damage. On average, this may occur every 20 to 30 years, but the specific timeline depends on factors like climate, maintenance, and the quality of the initial installation. Regular inspections can help determine when replacement is necessary to prevent water leaks and structural damage.

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