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What are the types of Chimney Liners?

A chimney is necessary for homes that have a wood stove, coal stove, gas fireplace, or classic fireplace. A liner inside the chimney serves as a shield between your house and the heat, embers, and flames of the fire. It might be time for a new chimney liner if you have a chimney and frequently use your fireplace or stove. So which chimney liner should you use?

What is a chimney liner?

Chimney liners, also known as Fireplace liners, are protective tubes erected inside a chimney to contain and route the combustion byproducts from a heating appliance (such as a furnace, boiler, or fireplace) to the outside of a building. They are often built of ceramic materials like clay tiles or metals like stainless steel or aluminium.

A fireplace liner’s function is to act as a barrier between the inside of the chimney and the surrounding structure and to aid in preventing the escape of flue gases and other dangerous combustion byproducts into a building’s interior living areas. By minimising heat loss through the chimney, liners can help to save energy and lower heating bills while also increasing the efficiency of heating appliances. Moreover, fireplace liners can shield the chimney from deterioration and corrosion brought on by some flue gases’ acidic character.

As far as chimney lining installation is concerned, it is not an extremely difficult process. The steps of Installation are as follows: –

  • Inspection before installation
  • Preparation
  • The liner is installed
  • Insulation
  • Final examination

The chimney liner cost can differ significantly based on a number of variables, including the type of liner, the size of the chimney, the installation’s complexity, and the location.

Types of Chimney Liners

Clay tile, metal, and cast-in-place chimney liners are the three main types that are available in the markets.

Clay Tile Liners

The most popular kind of chimney liner is clay tile liner. It is affordable, simple to find, and effective in open chimney systems. In a chimney fire, it does not quickly absorb or spread heat, though. Flue tiles may crack or split due to uneven development. Liquid combustion byproducts from contemporary gas systems cannot be stored on clay tiles. When chimneys were first being built, masons employed clay liners to protect the house from the harm caused by wood heating. In general, oil or gas heating systems should not use clay tile liners. Burning gas and oil emits fumes. These fumes might harm the clay tile liners in your tiles and endanger the security of your house.

Clay liners are a common choice since they are inexpensive, but they require more frequent replacement and maintenance than other liners.

Average Chimney Liner installation cost: – $2000 to $7000

Lifespan: – Depending on how effectively the liner is cared for, 30 to 50 years.

Metal Liners

Metal liners, which are typically used to modify or repair an existing chimney, are constructed of aluminium or stainless steel. While stainless steel is suited for systems that burn gas, oil, or wood, aluminium is used for medium-efficiency gas systems. Its liner is installed with high-temperature insulation to enhance performance and security. They can be rigid or flexible, and they come in a huge variety of sizes and shapes. Metal liners frequently outlive houses with careful maintenance, and installation and parts are typically affordable. Also, changing your chimney liner with a modern metal liner is a simple and sensible process as appliances in your home alter, and chimney liners adapt to these changes.

Moreover, you can cover cracked clay tiles with metal liners to get your chimney flue working again. Metal liners are typically regarded as the finest option because of their flexibility, adaptability, and simplicity of installation.

Average Chimney Liner installation cost: – $900 to $4000 (vary by material and size)

Lifespan: – If you clean and maintain your metal liners regularly, they can last 15 to 25 years on average. Quality liners frequently come with lifetime guarantees.

Cast-in-Place Chimney Liner

The first cast-in-place liners appeared about six decades previously. Despite being well acclaimed at first, they have lost popularity over time due to the risk of cracks. A lightweight chimney liner that is cast in place is made of cement. It can be put inside a chimney and is castable, providing flue gases with a smooth, insulated route. The structural integrity of an established chimney can be improved by this permanent liner. To find out whether a new metal, clay tile, or cast-in-place liner is necessary to bring the system into compliance with the most recent fire and safety rules, homeowners should have their chimneys inspected.

The insulating qualities of the cast-in-place chimney liner is one advantage. As a result of the insulation’s ability to prevent heat from escaping the chimney and the higher temperatures it achieves, creosote, soot, and combustible gases are used up more completely, resulting in less buildup inside your chimney and fewer emissions.

Average Chimney Liner installation cost:  $2,000 – $7,000 based on size and condition

Lifespan: – With the right care, clay and cast-in-place liners can normally endure up to 50 years.

Which Chimney liner is best?

Prefabricated stainless steel liners are excellent choices for relining chimneys that have cracked clay liners or that need to be resized to accommodate new equipment. The venting performance will be maintained or enhanced with a stainless steel chimney liner that is appropriately sized for the stove, furnace, or fireplace. By switching to a Smooth Wall liner, your draught will also be improved by up to 20% for gas appliances and up to 15% for oil-burning ones.

There are different kinds of metal liners, but none are as highly suggested as stainless steel. Flexible and rigid styles are available for these premium flue liners. Stainless steel liners are expensive to install, but it’s always a wise financial decision.


Chimney liners are essential for preserving the functionality and safety of chimneys. The installation of a chimney liner can lengthen the chimney’s overall lifespan, minimise the risk of chimney fires, and stop toxic combustion gases from escaping. Chimney liners may be customised to fit different types of chimneys and satisfy specific needs, thanks to the many materials and shapes that are readily accessible. Everybody with a chimney in their home must make this investment, even if the cost of installation may vary. As a result, it’s essential to have your chimney inspected by a qualified professional, in order to choose the finest liner for your chimney’s requirements. You may do this to make sure your chimney remains sound and efficient for many years. If you are searching for a chimney liner installation near me, A step in Time chimney sweeps can help you perfectly.