How Much Does A Chimney Liner Cost?

How Much Does A Chimney Liner Cost?

When it comes to maintaining a safe and efficient home heating system, the integrity of your chimney liner is paramount. This often overlooked component plays a crucial role in protecting your chimney walls from heat and corrosion, thereby extending the lifespan of your chimney.

The cost of a chimney liner can vary widely depending on several factors including material, chimney dimensions, and the complexity of installation. This guide aims to explore these aspects in detail to help you make an informed decision about this essential home investment.

What is a Chimney Liner?

A chimney liner, crucial for the safety and efficiency of a home’s heating system, is a conduit that lines the inside of a chimney flue, guiding combustion products safely to the outside. Below, we explore the different types of liners, their materials, and their purposes.

Types of Chimney Liners

Chimney liners come in various materials, each suited to different types of heating appliances and chimney conditions:

  1. Clay Tile Liners: Traditional and economical, clay tile liners are common in older homes. They are well-suited for wood-burning fireplaces but can be brittle and difficult to replace or repair.
  2. Metal Liners: Made from stainless steel or aluminum, metal liners are versatile and durable, ideal for upgrading older chimneys or for use with gas and oil appliances. They are easier to install and maintain compared to clay tile liners.
  3. Cast-in-Place Liners: These liners are formed by pouring a cement-like mixture into the chimney to create a seamless, heat-resistant lining. They are excellent for reinforcing structurally weak chimneys and improving their performance but are more costly and labor-intensive to install.

Choosing the Right Liner

Selecting the right chimney liner depends on several factors:

  • Appliance Type: The heat output and type of fuel used by your heating appliance (wood, gas, oil, coal) will dictate the suitable liner material to ensure safety and efficiency.
  • Chimney Condition: Older, deteriorating chimneys might require more robust liners like cast-in-place to enhance structural integrity and safety.
  • Local Building Codes: Always consider local regulations and building codes which can influence the type of liner required for legal and safety reasons.
  • Budget and Longevity: The costs vary widely among different liner types with clay being the least expensive but less durable, and cast-in-place being the most durable but also the most expensive.

Technological Advances in Liners

Recent advancements have introduced innovative materials such as flexible stainless steel and ceramic liners that offer enhanced protective qualities. These new technologies are designed to provide superior durability, improved energy efficiency, and compatibility with more complex chimney designs.

Factors Influencing Chimney Liner Costs

The cost of installing a chimney liner is influenced by several key factors, each contributing to the total expense you can expect. Understanding these variables can help homeowners budget appropriately for the project.

Material Type

The choice of material significantly impacts cost. Common liner materials include:

  • Stainless Steel: Known for its durability and resistance to corrosion, stainless steel is a popular choice but can be more expensive than other options.
  • Aluminum: Lighter and less expensive than stainless steel, aluminum liners are suitable only for certain types of gas appliances due to their lower heat tolerance.
  • Clay Tiles: Often used in older homes, clay tiles are inexpensive but labor-intensive to repair or replace.
  • Cast-in-Place: This method provides a strong, seamless liner, ideal for older or damaged chimneys, but it is also one of the most expensive options due to the complexity of installation.

Chimney Size and Accessibility

The size of the chimney and ease of access for workers can affect installation costs. Larger chimneys or those with difficult access (e.g., steep roofs, tall structures) require more materials and labor, increasing overall costs.

Condition of the Existing Chimney

If the existing chimney is in poor condition, preparatory work such as cleaning, repairing, or removing an old liner may be necessary before installing a new one. This additional work can add to the total cost of the project.

Type of Appliance Connected

The type of heating appliance the chimney serves also plays a role. For instance, chimneys that service high-efficiency boilers, furnaces, or multiple appliances might require more durable liners or additional modifications, increasing costs.

Local Building Codes and Permits

Compliance with local building codes and the need for permits can also influence costs. Some regions have strict requirements regarding the type of chimney liners used and the installation process, which can necessitate more expensive solutions or additional paperwork and fees.

Labor Costs

Labor costs can vary widely depending on the region, the complexity of the installation, and the company performing the work. Professional installation is recommended, especially for more complex liner types like cast-in-place or for homes with accessibility issues.

Average Costs for Different Types of Liners

When planning to install a chimney liner, it’s important to understand the potential costs involved. Prices can vary significantly based on the type of liner, material, and the specific needs of your chimney. Here’s a breakdown of average costs for different types of liners:

Stainless Steel Liners

Stainless steel liners are favored for their durability and compatibility with various fuel types. The cost for stainless steel liners typically ranges from $600 to $3,000, including installation. The price may vary depending on the thickness of the steel and the complexity of the installation. Stainless steel is recommended for both new installations and upgrades of existing liners.

Aluminum Liners

Aluminum liners are a more cost-effective option but are limited to certain types of gas appliances that operate at lower temperatures. Prices for aluminum liners can range from $500 to $2,500 installed. They are lighter and easier to install than stainless steel, which can reduce labor costs, but their longevity and application are more limited.

Clay Tile Liners

Clay tile liners are the most traditional type of liner and are often found in older homes. The cost to install new clay tiles can be quite variable, generally ranging from $2,000 to $4,000, depending heavily on the accessibility of the chimney and the need to replace existing tiles. Clay tiles require a more labor-intensive installation process but are a good choice for maintaining the historical integrity of older structures.

Cast-in-Place Liners

Cast-in-place liners provide a robust and long-lasting solution, making them ideal for reinforcing weakened or deteriorating chimneys. The installation involves pouring a cement-like material into the chimney to form a solid, seamless liner. This process is labor-intensive and can cost between $2,000 and $7,000, depending on the height and condition of the chimney.

Flex Liners

Flex liners, made from flexible materials like corrugated stainless steel, are particularly useful for chimneys with bends or irregular shapes. They are easier to install in such situations and are priced similarly to regular stainless steel liners but may incur additional costs for complex configurations.

Installation Process and Labor Costs

The installation of a chimney liner is a critical task that should ideally be handled by professionals due to the technical skills required and the safety implications involved. Here’s an overview of the typical installation process and the associated labor costs.

Installation Process

The process of installing a chimney liner generally involves several key steps:

  1. Initial Inspection and Cleaning: Before installation can begin, the chimney must be thoroughly inspected for any damage, blockages, or buildup of soot and creosote. It may need to be cleaned to ensure that the new liner can be installed properly.
  2. Measurement and Preparation: Accurate measurements of the chimney flue are taken to ensure that the liner will fit properly. This includes determining the length and diameter required.
  3. Fitting the Liner: Depending on the type of liner (rigid or flexible), it is either lowered down into the chimney or assembled within. Flexible liners are typically pulled down from the top using ropes or other tools.
  4. Sealing and Insulation: Once in place, the liner is connected to the heating appliance and sealed at both the top and bottom to prevent any leaks. Insulation may be added around the liner to improve heat retention and protect the chimney structure.
  5. Final Inspection and Testing: After the installation is completed, a final inspection is performed to ensure everything is correctly installed and functioning. This may include a smoke test to check for any leaks.

Labor Costs

Labor costs for chimney liner installation can vary significantly based on several factors:

  • Type of Liner: Rigid liners generally require more labor to install than flexible liners, particularly in chimneys with bends or obstructions.
  • Complexity of Installation: The more complex the installation, the higher the labor costs. This includes factors such as the height of the chimney, ease of access, and whether the chimney requires any repairs before the liner can be installed.
  • Regional Differences: Labor costs can also vary by region, with higher costs in urban areas compared to rural areas.
  • Professional Services: Costs can range widely depending on whether you hire a specialized chimney company, a general contractor, or a handyman. Typically, costs can range from $500 to $2,000 for the labor alone, depending on the complexity and duration of the job.

Additional Costs and Considerations

When planning for a chimney liner installation, it’s important to account for not just the liner and labor costs, but also additional expenses that can affect the overall budget. These costs can vary depending on several factors including the state of your chimney, local building requirements, and personal choices concerning efficiency and safety.

Chimney Repair and Preparation

Before a liner can be installed, the existing chimney may require repairs or modifications. This could include masonry work to fix cracks or rebuild sections of the chimney, as well as cleaning to remove soot and creosote buildup. These preparations ensure that the liner can function effectively and safely, and costs can range from a few hundred to several thousand dollars, depending on the extent of damage and the complexity of the repairs needed.

Permits and Inspections

Many localities require permits for the installation of chimney liners, especially if it involves significant modifications to the structure. The cost of these permits varies by location but can range from $50 to $200. Additionally, a professional inspection is often necessary both before and after installation to comply with local safety regulations. Inspection costs can vary, typically ranging from $100 to $500, depending on the level of detail required by the inspection.


Adding insulation around the chimney liner can improve its efficiency by keeping heat within the chimney, thus improving the heating system’s overall performance and reducing heat loss. The cost of insulation will depend on the type of insulation material and the size of the chimney but typically ranges from $200 to $1,500.

Additional Accessories

Installation of a chimney liner might also require additional components such as a chimney cap, flashing, and connectors to secure the liner and protect the chimney from water and debris. The costs for these accessories can vary but generally range from $20 to $200 each.

Long-Term Maintenance

After installation, regular maintenance is crucial to ensure the longevity and efficiency of the chimney liner. This includes annual inspections, sweeping to remove blockages and buildup, and occasional repairs. Setting aside a budget for ongoing maintenance can help prevent costly repairs in the future and ensure that the chimney system remains safe to use.

When to Replace a Chimney Liner

Understanding when to replace a chimney liner is crucial for maintaining the safety and efficiency of your home’s heating system. Several signs indicate the need for a replacement, and being aware of these can help prevent more serious issues like structural damage or safety hazards.

Age of the Liner

The lifespan of a chimney liner depends largely on the material and the conditions under which it operates. Stainless steel liners can last up to 20 years or more with proper maintenance, while aluminum liners might need replacement every 5 to 10 years due to their susceptibility to corrosion. Clay and cast-in-place liners can last for decades but might require an upgrade if the heating system changes or if the liner no longer meets current safety standards.

Visible Damage

Regular inspections may reveal damage that necessitates liner replacement. Common signs include:

  • Cracks or gaps in the liner, which can allow heat and embers to escape, potentially leading to a chimney fire.
  • Corrosion or deterioration, especially in metal liners, which compromises the liner’s integrity.
  • Shifting or collapsing segments, particularly in older clay liners.

Performance Issues

Performance setbacks can also signal the need for liner replacement. These include:

  • Poor drafting, characterized by smoke entering the home instead of rising through the chimney. This could be due to a liner that is too narrow, blocked, or damaged.
  • Condensation within the chimney, which can indicate that the liner does not adequately protect the chimney walls from the heat and byproducts of combustion, leading to moisture buildup and further damage.

Changes to Heating Appliances

If you install a new furnace, boiler, or other heating appliances, it may require a different type of liner to handle the heat output or type of fuel. For example, switching from an oil-based system to a gas system typically requires a liner change to ensure compatibility and safety.

Safety and Code Compliance

Lastly, updates in local building codes or safety regulations may necessitate a chimney liner replacement. Ensuring that your chimney system complies with the latest standards is essential for safety and may also be required when selling your home.

Maintenance and Long-Term Care

Proper maintenance and regular care are essential for maximizing the lifespan and efficiency of your chimney liner. Establishing a routine maintenance schedule helps prevent common issues that could lead to costly repairs or replacements down the line.

Regular Inspections

Schedule annual inspections with a certified chimney professional. These inspections are crucial for identifying potential issues early, such as cracks, blockages, or buildup that could impair the function of the chimney liner. During these inspections, professionals can also verify that the liner continues to comply with local safety codes.


Chimney cleaning should be performed regularly to remove soot, creosote, and other obstructions that can accumulate in the liner. This not only improves the efficiency of your heating system but also reduces the risk of chimney fires. The frequency of cleaning depends on usage but typically should be done at least once a year.

Address Repairs Promptly

If an inspection uncovers minor damages or wear, address these issues promptly to prevent them from worsening. Small cracks or gaps in the liner can often be repaired without needing a full replacement, which can save money in the long run.

Monitor Chimney Performance

Pay attention to the performance of your chimney. Issues such as unusual odors, visible smoke inside the home, or a decrease in heating efficiency can indicate problems with the chimney liner that require professional attention.


Installing and maintaining a chimney liner is a crucial aspect of home safety and heating efficiency. Understanding the different types of liners available and the factors affecting their cost helps homeowners make informed decisions tailored to their specific needs. Regular maintenance, including inspections and cleaning, is vital to ensure that the chimney system functions safely and efficiently over the years.

By investing in the right chimney liner and adhering to a consistent care schedule, homeowners can protect their property and enjoy a warm, safe home environment. Always consult with a professional to choose the best liner for your chimney and to handle any repairs or replacements that might be needed.

What Is A Chimney Liner?

Essentially, a chimney liner is a conduit installed inside the chimney, intended to contain the combustion products, direct them to the outside atmosphere, and protect the chimney walls from heat and corrosion. This protective barrier not only extends the life of your chimney but also enhances the safety of your home by preventing potential fire hazards caused by heat transfer to combustible materials near the chimney.

Understanding the different types of chimney liners and their applications will help you make informed decisions about which is best for your home. Chimney liners come in various materials, each suited to different types of appliances and fuels.

The most common materials include stainless steel, which is known for its durability and resistance to corrosion; clay tile, a traditional choice known for its cost-effectiveness and adequate performance in well-maintained conditions; and cast-in-place liners, which offer a robust and seamless barrier that can adapt to any chimney shape.

Why Chimney Liners are Necessary

Chimney liners are crucial components that enhance the safety and functionality of home heating systems. Their importance ranges from fire hazard prevention to compliance with modern building codes.

Protection Against Fire Hazards

A chimney liner provides several key protections:

  • Heat Shield: Liners act as barriers to prevent heat transfer to combustible materials near the chimney, reducing the risk of fires.
  • Temperature Control: They maintain consistent temperatures within the chimney, promoting efficient expulsion of combustion byproducts and reducing condensation and soot buildup.

Preserving Structural Integrity

The structural integrity of a chimney can be preserved with a liner due to:

  • Corrosion Protection: Liners shield chimney walls from the acidic byproducts of combustion, preventing the rapid degradation of brick and mortar.
  • Longevity: By protecting the chimney structure, liners extend its lifespan and prevent potential collapses.

Compliance with Modern Building Codes

Compliance is crucial for both safety and legality:

  • Safety Standards: Many local building codes mandate chimney liners in new buildings and major renovations for safety reasons.
  • Inspection Approval: Having a chimney liner is often required to pass home inspections, which is essential during the sale or transfer of property.

Enhancing Efficiency

Chimney liners improve the efficiency of heating systems by:

  • Optimal Sizing: Properly sizing the liner to the appliance’s output ensures efficient expulsion of flue gases.
  • Fuel Efficiency: Improved appliance performance and reduced heat loss up the chimney lead to lower heating costs.

Safety from Toxic Gases

Installing a chimney liner enhances indoor air quality and safety by:

  • Gas Containment: Liners contain and direct toxic gases like carbon monoxide outside the home, preventing leaks into living spaces.
  • Health Protection: They ensure that dangerous gases are expelled efficiently, safeguarding against potential poisoning.

Types of Chimney Liners

Chimney liners come in various materials and designs, each suited to different types of appliances and specific needs. Understanding the options available can help you choose the best liner for your home.

Clay Tile Liners

Clay tile liners are traditional and widely used, especially in older homes:

  • Durability: Made from ceramic, clay tiles are resistant to the heat from fires and generally last many years with proper maintenance.
  • Cost-Effectiveness: They are among the most economical options, making them a popular choice.
  • Installation Considerations: Fitting clay tiles can be complex and labor-intensive, especially in non-straight chimneys or when replacing damaged tiles.

Metal Flue Liners

Metal liners, typically made from stainless steel or aluminum, are favored for their durability and versatility:

  • Stainless Steel: Ideal for wood-burning and gas appliances, stainless steel liners are highly resistant to corrosion and heat.
  • Aluminum: Best suited for certain gas appliances; aluminum liners are lighter and less expensive but not suitable for wood-burning or high-heat applications.
  • Flexibility: Metal liners can be rigid or flexible, which makes them easier to install in chimneys with bends or offsets.

Cast-In-Place Liners

Cast-in-place liners offer a seamless and durable option for those needing a more robust solution:

  • Structural Support: These liners enhance the structural integrity of the chimney by forming a solid, continuous layer inside the existing chimney.
  • Heat Resistance: Made from a cement-like material, they are capable of withstanding very high temperatures and are effective at improving chimney draft.
  • Versatility: Suitable for use with most types of fuel and ideal for repairing deteriorated chimneys.

Choosing the Right Chimney Liner

Selecting the appropriate chimney liner is critical for ensuring the safety, efficiency, and longevity of your chimney and heating appliance. Here are key factors to consider when choosing the right chimney liner for your home:

Understand Your Heating Appliance Requirements

Different heating appliances have specific requirements based on the type of fuel they use:

  • Fuel Type Compatibility: Ensure the liner material is compatible with the type of fuel your appliance uses. For example, stainless steel is suitable for wood, gas, and oil, while aluminum is only appropriate for certain gas applications.
  • Appliance Efficiency: High-efficiency appliances often require specific liner types to operate safely and effectively. Check the manufacturer’s recommendations for liner specifications.

Assess Chimney Condition and Configuration

The current state and configuration of your chimney play a crucial role in determining the suitable liner:

  • Chimney Inspection: Have a professional inspect your chimney to identify any existing damage or wear that may influence the choice of liner. This includes checking for cracks, leaks, or uneven surfaces.
  • Chimney Shape and Size: Consider the shape (straight vs. with bends) and the dimensions of your chimney, as these will affect whether you can use flexible metal liners or need a more custom solution like cast-in-place.

Consider Local Building Codes and Regulations

Compliance with local building codes is not only a legal requirement but also a safety measure:

  • Building Codes: Check your local building regulations to understand what types of liners and installation practices are mandated or recommended.
  • Certifications: Look for liners that meet national safety standards and certifications, which can provide reassurance of their quality and safety.

Evaluate Long-Term Durability and Maintenance

Choosing a liner that will last and remain effective over time is important for reducing future costs and maintenance:

  • Material Durability: Evaluate the longevity of the liner materials. Stainless steel and cast-in-place liners generally offer greater durability and resistance to corrosion than aluminum or clay.
  • Maintenance Requirements: Consider the ease of cleaning and maintaining the liner. Metal liners, particularly flexible ones, can be easier to maintain compared to cast-in-place or clay tile liners.

Budget Considerations

The cost of chimney liners varies widely based on the material, size, and installation complexity:

  • Initial Costs vs. Long-Term Savings: While some liners may be more expensive upfront, they might offer savings in the long run through better efficiency and lower maintenance costs.
  • Installation Costs: Professional installation can be a significant part of the overall cost. Get multiple quotes and check references to find a reliable and reasonably priced installer.

Installation Process

Installing a chimney liner is a critical step that should be approached with care and precision. Whether you choose to install it yourself or hire a professional, understanding the installation process can help ensure that your chimney liner functions safely and effectively.


Proper preparation is essential for a smooth installation process:

  • Chimney Inspection: Before installation, thoroughly inspect the chimney for any damage or blockages. This is crucial to determine if any repairs are necessary before the liner can be installed.
  • Measurements: Accurately measure the length and diameter of your chimney to select an appropriately sized liner. Incorrect sizing can lead to poor appliance performance and safety hazards.

Choosing the Installation Method

The installation method varies based on the type of liner:

  • Flexible Liners: Generally used for chimneys with bends or offsets. The liner is fed down from the top of the chimney and then connected to the appliance at the bottom.
  • Rigid Liners: Best suited for straight chimneys. These liners are inserted in sections from the top and connected using special joiners.

Installation Steps

  • Preparation of the Flue: Clean the chimney flue thoroughly to remove any soot, debris, or obstructions.
  • Fitting the Liner: Carefully lower the liner down the chimney. For rigid liners, ensure that each section is securely connected as it is lowered.
  • Sealing: At the top of the chimney, use appropriate sealants and flashing to prevent water ingress and to secure the liner.
  • Connection: Attach the bottom of the liner to the heating appliance or stove. Ensure all joints are tight and well-sealed to prevent any leaks of combustion gases.
  • Insulation: In many cases, insulating the liner is recommended to improve heat retention and draft. Wrap the liner with insulation material as per the manufacturer’s instructions before installation.

Safety and Compliance

  • Safety Gear: Always use safety gear such as gloves, eye protection, and a dust mask when handling liner materials and during installation.
  • Building Codes and Standards: Ensure that the installation complies with local building codes and fire safety standards. This may include having the installation inspected and approved by a certified professional.

Hiring a Professional

While DIY installation is possible, especially with flexible liners, hiring a professional is often recommended:

  • Expertise: Professionals have the necessary experience and tools to handle unexpected issues and to ensure the liner is installed correctly.
  • Warranty and Liability: Many professional installations come with a warranty. Moreover, improper installation can lead to significant safety hazards, so having a professional handle the installation can provide peace of mind.

Maintenance and Inspection

Regular maintenance and timely inspection of your chimney liner are vital for ensuring the safety and efficiency of your heating system. Here’s how to keep your chimney liner in top condition:

Regular Cleaning

  • Soot and Creosote: Wood-burning appliances can produce soot and creosote, which can accumulate in the liner. Regular cleaning prevents buildup, which can be a fire hazard.
  • Annual Sweeping: It’s advisable to have your chimney swept at least once a year, preferably before the heating season begins.

Routine Inspections

  • Visual Checks: Regularly inspect the visible parts of your chimney and liner for signs of damage such as cracks or deterioration.
  • Professional Inspections: Have a certified chimney professional conduct an in-depth inspection annually. This should include checking for blockages, structural integrity, and compliance with safety standards.

Addressing Repairs Promptly

  • Immediate Action: If damage or issues are found during an inspection, address them immediately to prevent more severe problems.
  • Sealing and Resealing: Check the seals and joints of the liner periodically and reseal them if necessary to prevent leaks of harmful gases.

Keeping Records

  • Documentation: Keep a record of all inspections, cleanings, and repairs. This documentation can be useful for warranty purposes and for any future sale of the property.


A chimney liner is an essential component of your home’s safety infrastructure. It protects your chimney’s structure from heat and corrosion, improves the efficiency of your heating appliance, and ensures that harmful gases are safely vented out of your home. Choosing the right type of chimney liner, ensuring proper installation, and conducting regular maintenance are all critical steps in optimizing the safety and functionality of your chimney system.

By investing in a quality chimney liner and adhering to a routine maintenance schedule, you not only safeguard your home against potential hazards but also enhance the performance of your heating system.

Remember, while some maintenance tasks can be performed by the homeowner, it is advisable to engage professional services for installation and thorough inspections. Ensuring your chimney liner is in good condition is not just a matter of efficiency and economy; it’s a priority for the safety and well-being of your household.

Cicadas in the Chimney – Are They Trying to Get In?

Superior Chimney has been answering many questions about cicadas in the chimney. We thought it would be useful to discuss what you can do now before the billions of cicadas emerge from the ground and the worry about cicadas in the chimney begin.

The Arrival of the Cicadas

There are over 3,000 species of cicadas and Northern Illinois experiences two kinds of cicadas. The green cicadas come out every year between July and September. I’m sure you’ve seen them, as I know I have in my garage. However, the one that we are anticipating their arrival is the second kind of cicadas that is due to arrive in mid May and lasts through mid to maybe late June. Timing may fluctuate a bit, as they will come out of the ground as the soil warms up.

Is It Dangerous to My Chimney?

Cicadas are part of the eco-system and their arrival is important. It will be a bit overwhelming when they emerge as many will be in your grass, all over the driveway and you will see them on your home, trees, bushes and much more. We want to keep them safely on the outside of our homes as much as possible. That means you need to prepare now to keep them out of your chimney. Cicadas are not purposely trying to get into your home, most times they fall in. They emerge from the ground for a purpose, so let’s help them out by keeping them out of your chimney and your home.

Preparing Now with a Chimney Sweep

Just like critters, insects and debris, if there is a space in the brick mortar or a missing or broken chimney cap, you might just want to put a ‘Welcome’ sign at the top of the exterior chimney. If it’s a space to crawl in, unwanted guests will (as well as the weather elements)!

If you are concerned about cicadas in the chimney happening to you, call Superior Chimney today 877-244-6349. Here’s a preview of what our certified chimney technicians will do for you.

14-Point Certified Written Inspection and Photo Documentation

It is important to know what a certified technician does during their visit to your home. This is because for some of the inspection the technician can get to places you, as the homeowner, normally don’t or can’t. For instance, chimney technicians have tools that they use in order to clean the interior of the chimney. These are long rods and brushes that can reach places to determine the integrity of the chimney. If there are pieces of tile or brick that come down, there’s a problem.

As the chimney technician goes through the checklist one by one to ensure all areas have been fully inspected, you receive digital photos so you can ‘see’ for yourself what’s going on. Now that doesn’t necessarily mean something bad is occurring. It means you can see it for yourself. This is especially true for the exterior part of the chimney.

Exterior Chimney

This is one of the main ways the cicadas will get in the chimney. Again, they are not interested in coming into your home, as they are not looking for warmth. They are looking for something else (if you know what I mean…) Since they are only out of the ground for 30 to 45 days, let’s help them out.

The chimney technician will check numerous areas such as the chimney cap, chimney crown, brick / stone mortar and flashing.

Chimney cap – The chimney cap serves an important purpose. It keeps the weather elements, debris, critters and the cicadas out of the chimney and your home. The chimney technician will check for its integrity, if it’s secure, rusted and even there!  Better yet, get a termination damper installed which seals out everything… not even a little gnat or fly can get in past a closed termination damper!

Chimney Crown and Chimney Brick / Stone Mortar – both crack. The cracks can be small, or large. We don’t want the weather elements or insects (cicadas) to enter the home through the cracks.

Flashing – Flashing is located at the base of the chimney. If that begins to separate (which over time it does) the space allows weather elements and even bugs to enter the home.

Keep Out!

Let’s keep your home safe and secure with a certified chimney inspection by Superior Chimney.  Call us at 877-244-6349.

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Reasons Why Your Gas Fireplace Keeps Shutting Off

Gas fireplaces are growing in popularity because they’re more energy-efficient, easier to maintain, and safer than traditional wood-burning fireplaces. However, gas systems aren’t without issues; one is suddenly shutting off. Let’s look at why this happens and what you can do about it.

Gas Fireplace in Avon CTWhat Causes a Gas Fireplace to Keep Shutting Off?

Venting Problems

One of the main reasons a gas fireplace might shut off or fail to stay lit is venting issues. Modern gas fireplaces are designed with safety in mind and are equipped with sensors that monitor exhaust gas flow. If the venting system is blocked, malfunctioning, or not correctly installed, these sensors might detect an unsafe condition and shut the fireplace down to prevent harmful gases from entering the house. The best way to prevent this is to schedule routine inspections and maintenance by a trained professional.

Oxygen Depletion Sensor Activation

Gas fireplaces installed in tight, energy-efficient homes might suffer from insufficient oxygen levels to sustain the flame. Many units come with oxygen depletion sensors that monitor oxygen levels in the room. The sensor will automatically turn the fireplace off if the oxygen level drops below a safe threshold. Ensuring adequate ventilation can prevent this.

Thermocouple and Thermopile Issues

The thermocouple and thermophile are critical components of the gas fireplace’s safety system. They generate a small amount of electricity when heated by the pilot flame, signaling that the pilot light is lit and allowing the gas valve to open. Over time, these components can get dirty or fail, causing the gas fireplace to shut off abruptly or prevent it from staying lit. Cleaning or replacing the thermocouple or thermopile can often solve this issue.

Faulty Gas Valve

A faulty gas valve can also be the culprit causing a gas fireplace to constantly shut off. If the gas valve doesn’t open correctly, it can restrict gas flow to the fireplace, causing ignition and operation problems. Gas valves are complex mechanisms that require professional repairs or replacement.

Air in the Gas Lines

Sometimes, air trapped in the gas lines can cause a fireplace to suddenly shut off. This can be due to a restricted pilot light tube, incorrect gas pressure, or drafts that disturb the pilot light. Cleaning the pilot tube or adjusting the pilot flame may help. Getting a professional to adjust the gas pressure might be necessary in some cases.

Fireplace Insert Installation in Rocky Hill CTRemote Control or Switch Malfunction

Lastly, don’t overlook the possibility that your remote control or wall switch is the culprit. Batteries may need to be replaced in remote controls and wall switches can wear out or disconnect over time.

In most cases, a sudden gas fireplace shutdown isn’t dangerous; instead, it is a sign that something mechanical is wrong. Whether it’s a safety feature, a problem in the gas lines, or a mechanical problem, these inconveniences are typically easy to solve by calling a pro to diagnose and fix.

Call Northeastern Chimney

If you have issues with your gas fireplace or need chimney cleaning, repair, or maintenance, you’ve come to the right place. Northeastern Chimney is the go-to chimney and fireplace company in Central Connecticut. We’ve been in business since 1984 and are fully licensed, certified, and insured. Book us today by calling 860-233-5770.

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Can Chimney Cracks Be Repaired?

If you have cracks on your chimney you must be wondering if you can repair them, right? Well, it’s possible. You can do some of the work yourself, but for the best outcome, hire chimney contractors to help you.

Here is how to fix some of the most common chimney cracks:

Vertical cracks

Vertical cracks come about from the vertical movement in the chimney structure, possibly due to foundation concerns or the building’s natural settling. Addressing these structural issues as soon as they happen is critical to preventing further damage and ensuring your home’s safety.

When dealing with vertical masonry chimney cracks, you should be cautious of the material you use to seal the cracks. To be safe, choose a flexible sealer explicitly made for masonry applications to allow for future movement without jeopardizing the repair’s integrity.

You should clean and prepare the area before applying the sealer or filler material to guarantee optimal adherence and long-term effects.

If foundation concerns cause the cracks, you should connect with chimney repair professionals who will examine the situation and offer proper solutions to strengthen your home.

Horizontal cracks

Thermal expansion, contraction, and freeze-thaw cycles’ moisture penetration are among the leading causes of horizontal cracks.

To avoid these types of cracks, ensure your chimney has correct expansion joints that allow for movement in the masonry, which can reduce stress on the structure.

Additionally, providing enough structural support via metal brackets or reinforcing bars can assist in reducing cracking caused by severe loads or lateral strain.

When dealing with existing horizontal cracks, you should monitor their size and pattern over time. Fill tiny cracks with caulk or mortar repair products to prevent further water entry. If the issues are severe, get professional help.

Remember that early diagnosis and action are critical to ensuring the safety and longevity of your masonry chimney, so try to hire technicians at least once a year to inspect your chimney.

Crown cracks

Crown cracks develop at the very top of the chimney, also known as the crown, and can cause significant structural damage if not treated and fixed immediately.

These fissures are expected since the crown is constantly exposed to adverse weather conditions, temperature variations, and moisture infiltration.

To fix these cracks, you must use flexible elastomeric sealants that expand and contract as temperature changes. To be safe, choose waterproofing sealants formulated exclusively for chimney crowns.

Besides sealing the cracks, it’s also wise to waterproof them. To do this, apply a water-repellent coating to the whole surface of the chimney. You should install adequate flashing around the chimney base to avoid water incursion. Remember to regularly inspect the surfaces to keep an eye on expanding cracks.

If a crack expands or a new one emerges, contact a professional for repair.


This arises when moisture damage and freeze-thaw cycles cause the exterior layers of brick or stone to flake away, resulting in degradation.

To avoid spalling in the first place, use high-quality materials during construction and follow suitable repointing processes.

You also should use protective sealants developed for masonry surfaces that will help keep undesirable moisture out and extend the life of your chimney.

When you have existing spalling difficulties, fix them immediately to prevent further damage.

Begin by carefully removing loose or damaged bricks and cleaning the affected area.

Choose new materials that resemble the original in size, color, and texture.

Install the new bricks or stones using experienced repointing procedures.

This not only assures a snug fit but also contributes to your chimney’s structural integrity.

Stair step cracks

These cracks usually appear when there is uneven settling or movement within the chimney’s foundation, causing bricks to crack and separate along mortar joints. These cracks follow the brick design and occur in a zigzag manner.

To repair stair-step cracks, you must stabilize the foundation, replace any damaged bricks, and reinforce the brickwork using suitable techniques. For extra strength, masonry reinforcement can be accomplished by employing steel lintels or rebar.

Using chimney sealants can also help prevent moisture intrusion, which can lead to more cracking and damage over time.

In other cases, stair-step cracks may signify broader foundation difficulties that require professional care.

To adequately address this issue, consider hiring a structural engineer to examine your home’s overall stability and prescribe appropriate steps such as reinforcing foundations or building support beams if needed.


While spalling can cause considerable damage to your chimney, you may also experience efflorescence. This problem develops when moisture in the chimney evaporates and leaves salt deposits, resulting in ugly white streaks on the chimney’s surface.

Efflorescence is not just a cosmetic concern but also indicates excess moisture in the structure, which can lead to more severe problems if left untreated. To combat efflorescence, first, identify and eliminate the moisture sources causing the problem.

When cleaning existing efflorescence deposits, use gentle methods like dry brushing or a light detergent solution to avoid damaging the stonework further.

Keep an eye on your chimney’s condition because simply cleaning the indicators of efflorescence will not repair the underlying problem, and treat any signs of excess moisture to avoid it becoming a recurring issue.

Mortar joint damage

Mortar deterioration is a prevalent problem in masonry chimneys and can be caused by various factors, including weathering, moisture penetration, and inappropriate mortar composition.

Damaged mortar joints not only jeopardize your chimney’s structural integrity but also represent a safety risk to your home.

One way to fix the problem is to use lime-based mortar, which is highly durable and compatible with old masonry materials.

Lime-based mortars provide high binding strength while remaining flexible enough to withstand modest structural motions without shattering.

Parting shot

These are some of the ways you can fix the cracks in your chimney. For the best outcome, ensure that you are following the right procedures for the type of crack you have in your property. As mentioned, to avoid being caught by surprise when your chimney fails, make it a habit to schedule an annual chimney inspection Ellicott City.

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Can My Chimney Be Cleaned If It Has A Bend?

The chimney is an important part of your fireplace. With each fire, creosote, soot, and debris become lodged or build up in the chimney’s lining. If not cleaned out over time this can cause a chimney fire or send hazardous fumes into your home. As the fireplace burning season is coming to an end, it is important to clean out your chimney. Northeast Chimney is here for all your chimney concerns.

professional chimney sweeps in avon CTA straight chimney is quite common. It is a job that every chimney sweep is familiar with. But what if a chimney has a curve? Am I out of luck? Can I get someone to clean my chimney?

No, you are not out of luck and yes, a chimney sweep can clean out a curved chimney. Special tools are used when a chimney has a curve or a bend.

Tools That Are Needed

Chimney Brush

A brush that has a flexible pole to be able to go around the bends and curves of the fireplace.

Extension rods

A chimney extension rod is attached to the chimney brush. This enables the chimney sweep to reach high up into the chimney through the bends.

Drop cloths

Drop cloths and/or plastic sheets will protect the area around the fireplace. Keeping everything clean and dust-free.

Annual Inspection

Before you determine that your chimney needs cleaning, get an inspection. An annual inspection will help to determine if there is any damage. If identified early, this can be taken care of while a chimney sweep is working on your chimney.

Safety at All Costs 

At Northeast Chimney, we will take all the safety precautions necessary.

Once the chimney is cleaned, another inspection is conducted. This assures the homeowner that everything that needed to be done was.

What To Do Before Your Cleaning

  • Clear a pathway to the fireplace.
  • Make room in the driveway for the truck to park.
  • Take down decorations from the mantel.
  • Move furniture away from the fireplace.
  • Cover any furniture.

chimney sweeps and inspections in Canton CT

When planning on cleaning a chimney whether it has a bend or not, it is important to contact a professional. Appropriate tools as well as safety precautions must be used. This is a job for professionals. We at Northeast Chimney have all the tools necessary to get the job done. Remember that a well-maintained chimney will allow for proper ventilation. It will prevent hazardous fumes and chimney fires. Fires run with proper cleaning also improve energy efficiency.

Schedule your inspection or cleaning soon by calling Northeast Chimney at 860-233-5770. We can clean your chimney no matter what bend or curve you have. We come with all the equipment needed for all sorts of chimneys.

We service all of Hartford, Tolland, and Litchfield Counties. All our chimney technicians are CSIA certified. We are active in the National Chimney Sweep Guild (NCSG) and the Chimney Safety Institute of America (CSIA)

In addition, Northeastern Chimney, Inc. maintains a rigorous training schedule and a strict code of performance and ethics.

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A CSIA Professional’s Guide to Spring Cleaning

A CSIA certified chimney sweep is a professional certified by the Chimney Safety Institute of America (or CSIA). All of Superior Chimney’s technicians and masons, not just some, are CSIA certified. These are highly trained professionals who are unquestionably the most qualified and knowledgeable people for the job. As Spring tries to make its way […]

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April Showers Bring May… Leaks?

A missing chimney cap can make or break the chimney structure and safety of your home. It’s true that April showers bring May flowers. It also can bring severe storms that, in the Chicagoland area, will be sure to damage your chimney. You need all the necessary protection for the Spring months. If you go outside and look up at your chimney, is there a small metal cap on top? If the answer is yes, your chimney flue is protected. Check for rust or deterioration (if you can see it from the ground). If you don’t notice this necessary little cap, it’s really important you call a certified chimney professional. So, what happens if your chimney doesn’t have a cap?

A Chimney with No Cap

Did you know that chimneys are designed to have a chimney cap? The two are inseparable! A chimney needs a cap for the same reasons a home needs a roof!  A chimney without a cap will result in cold downdrafts, serious water leaks, visits from critters and damage to your home. Chimneys in the Chicagoland area are constantly exposed to the harsh elements. From rain, to snow, high winds, water, and animals, a chimney will quickly become damaged without the proper protection. Some drizzle may not sound like it can be damaging, but the porous bricks will store that water. Constant rain and humidity cause quick deterioration. As the chimney’s outside deteriorates, it becomes a fire hazard. Other objects like leaves or animals can clog the flue, causing a fire when it’s lit. A chimney cap protects the flue inside from water and other debris from entering it.

Does the Cap Stop Airflow?

Whether you have a chimney cap or not, airflow stays the same. The chimney cap is designed so that the wind from outside creates a small vacuum at the top of the flue, so the chimney should produce a constant draft, as designed. 

My Chimney Cap Looks Off!

Don’t worry, a chimney professional can help! If your chimney cap looks a bit small or big, it’s time to call a certified professional to get a replacement. Sometimes the cap can be shaking and loose, which is a sign of it being too big or about to blow off.  

There’s Still Water Leaking

Water leaking is not always because of a faulty chimney cap. Masonry deterioration or flashing deterioration will also cause leaks. Do you notice some drops of rainwater coming into your chimney? When the chimney flashing (the metal that seals the bottom of your chimney’s structure to the roof) becomes deteriorated, it will cause water leaks. Flashing can lose its seal due to harsh weather and wear and tear. Leaking from deteriorated flashing is also seen in walls, ceilings and the roof. If you’re noticing leaking in any of these places, it’s definitely time to call a certified professional for a chimney inspection. 

Help With a Missing Chimney Cap 

As spring rolls around the corner, call your chimney professional for help on installing a new chimney cap. If you notice a missing chimney cap, a faulty one, or worried about water leaks, a chimney professional will help put your mind at ease. Call Superior Chimney at 877-244-6349 and ask for a chimney inspection, today!

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Chimney vs. Water

Every blog post, video and chimney professional will tell you water damage to a chimney is the worst and the most common damage your chimney will go through. Plants, our bodies and animals are made up of at least 70% water! Yet, our chimneys are not. Chimneys are heavily affected by rain, wind and everyday weather that we experience in the Chicagoland area. During our inspections, water damage to the chimney is the most common. It’s not always easy to spot, either. Sometimes, you can directly see it in the form of deteriorating masonry. Other times, your chimney professional might mention some rust or shaling inside the flue, or the metal pipe that runs directly from your fireplace to the outside. So, let’s see…Which of the below scenarios will the chimney win against water damage, and which will it will lose!

  1. Your chimney professional reports small cracks in the mortar on the outside of your chimney. It doesn’t sound too serious, it’s just a few cracks. Will the Chicagoland spring storms cause worse damage?

Unfortunately, the answer is yes. All it takes is a few cracks in the mortar caused by weather changes throughout the winter to start the deterioration process. As spring rolls into full force, you’ll see the cracks become bigger. High winds from dangerous storms with possible hail and powerful rain sit within the cracks, quickly eating away at the porous material. You’re in definite need of tuckpointing!

  • You don’t need to use your fireplace anymore, because it’s getting warmer outside. When you’re closing up the fireplace, you notice a strange smell. It smells damp and musty. What happened? 

This is a job for a chimney professional! If you’re noticing any musty smell coming from your chimney at any point of the year, it’s likely water has seeped into your chimney and settled. Mold and mildew began to grow. A chimney cap can prevent a lot of water from seeping into the chimney’s flue, but it doesn’t do a perfect job. Getting your chimney regularly inspected will help prevent mold and mildew growth. 

  • Your chimney professional recommended something called Chimney Saver. They applied this clear substance onto your chimney, and after a while, you’ve noticed your chimney looks dry and new! Did the chimney finally beat water?

Chimney Saver is a waterproofing agent. It’s designed to minimize masonry deterioration, prevent water penetration, and preserve any tuckpointing repairs that were made before application. In this case, yes, the chimney finally wins! Ask your Superior Chimney professional for additional information on applying Chimney Saver this spring, in preparation for the upcoming storm season.

Preparing For Water Damage from the Chimney

It looks like, without any prevention, water wins! With spring storms right around the corner, it’s the perfect time for water to start damaging the exterior and interior of your chimney. If you notice any cracks, deterioration, or musty smells already, it’s important to take care of these problems before they become worse. Care for any current water damage and protect it from the coming storms by calling Superior Chimney professionals for an inspection at 877-244-6349. 

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The ABC’s of Tuckpointing Chimney Repair

The ABC’s of tuckpointing chimney repair include chimney size, repair and materials. Have you ever browsed online, especially a website like Instagram or Facebook, and saw photos of perfect homes? It feels like you do home repairs almost every day! Those home improvement shows on HGTV make a living off of the perfect interior and exterior of the home, and promising that if you complete the steps on their program, you’d achieve the same. Unfortunately, it’s not as simple as the media makes it seem. Yet, your chimney can look TV ready, with the help of a chimney professional! Superior Chimney will help you with your chimney repair, but in order to begin, you must learn the ABC’s of tuckpointing chimney repair. 

A Brief Review of Tuckpointing

Tuckpointing is the process of repairing the damaged brick or stone mortar on the external part of the chimney. It’s good to get a tuckpointing chimney repair in order to fully ensure that your chimney is safe and in working order. Trying tuckpointing yourself is not encouraged, because a chimney professional uses specialized methods in order to enhance the aesthetic of your chimney, and check for and fix any further repairs. 

Tuckpointing Materials

Tuckpointing materials include the color and type of brick mortar or stone mortar that will make up the structure of your chimney. Usually, the brick color and mortar will contrast or compliment the color of your home. Tuckpointing your chimney will ensure that the chimney is up to working standard. Tuckpointing repair minimizes deterioration while repairing all flaws currently present. Post tuckpointing, a chimney professional will add a layer of Chimney Saver on top to prevent further deterioration from water damage. Chimney saver repels water from the harsh Chicagoland weather changes, such as rain, freezing temperatures, and humidity. 

Functioning Repair

Your chimney is more than an eye catcher for the passerby. Sure, while your neighbors are walking their dog, they’ll most definitely catch a glimpse of your chimney. However, a chimney serves an important role in your home. If the chimney is very damaged, you see chunks of brick or mortar falling off, or even a missing brick, the chimney will surely collapse eventually. A collapsed chimney is a serious repair that requires a chimney rebuild. You certainly won’t be able to use the chimney, as toxic gasses may become blocked in the flue and flow back into your home. It’s important to hire a Superior Chimney professional to ensure the function of your chimney!

Tuckpointing Chimney Repair: Next Steps

If you’ve noticed some damage to the outside of your chimney, want an aesthetic makeover, or are worried about hidden damages, calling a Superior Chimney professional will certainly ease your worries. We have extensive experience around the Chicagoland area repairing chimneys and educating homeowners about keeping their chimney and home safe. Call us today for a chimney inspection, your first step for a tuckpointing chimney repair, at 877-244-6349.

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