Installing a flue liner is NO job for a DIY’er. There are several considerations that must be answered before a new liner can be installed. First and foremost, the existing flue must be cleaned completely and inspected with a camera to determine the condition of the existing mortar joints.

Can you install your own chimney liner?

Yes it can – and will! While having your chimney liner professionally installed can be more convenient but ends up being costly, averaging anywhere from $2,500 to $5,000. With our DIY Chimney Liner Kits you will have all the components needed to reline your chimney and you wont break the bank!

How much does it cost to put a new liner in a chimney?

A chimney liner cost averages $625 to $7,000, with a national average of $2,500. Chimney relining costs are primarily based on the type of material you choose to install, the size of the chimney, the roof pitch, the chimney’s condition, labor, and permits.

How long does it take to put a liner in a chimney?

2 to 4 hours

Installing a chimney liner should take you anywhere from 2 to 4 hours to complete. The average costs to hiring a professional chimney sweep for relining a chimney ranges from between $1500 to $3000 per job.

What do you need to install chimney liner?

Only a few tools are needed for a successful chimney liner installation. You’ll need a razor knife, flat head screw driver, caulk gun, a pair of working gloves, and safety glasses. Shown in the picture is a grinder with a cut off wheel. The grinder will give you the best cut when cutting off the excess chimney liner.

Does a brick chimney need a liner?

Do brick chimneys need to be lined? Many older homes have unlined brick chimneys. They were built during a period when most building codes didn’t require them. Today, most building and fire codes require chimney liners, even if you have a brick chimney.

Do I need to install a chimney liner?

There are three principle reasons you may need a chimney liner: A) because your chimney has no clay tile chimney liner (older chimneys may not); B) the clay tile chimney liner is damaged; C) a chimney liner is required for optimal performance and safety because you are installing a new heating unit (stove or furnace) …

How long does a chimney liner last?

How long do chimney liners last? The answer to this question depends on the type of chimney liner you have. Clay tile liners and cast-in-place liners typically last around 50 years. Stainless steel flue liners generally last for 15 to 20 years (though low quality liners may not even last for five).

What is the purpose of a chimney liner?

The Main Functions of a Chimney Liner

Support structures or combustible framing near the chimney can ignite if the heat from the chimney transfers over to them. Chimney liners limit the heat transfer, which can prevent these fire hazards from existing.

How do I know if I have a chimney liner?

How can I tell if my chimney has a liner? You can have it inspected by a chimney professional; or, if you’re able, you can go up on the roof and check it out yourself. If you look down into your chimney and see only bricks and no clay tile, it is not lined.

Does a gas boiler need a chimney liner?

For optimal use and safety, a liner is needed when installing a new heating system, furnace, boiler, or water heater. Local codes and the International Fuel Gas Code require proper venting and chimney liners for flue gasses to be vented into the outdoor atmosphere.

Do I need an insulated chimney liner?

It is always a good idea to insulate a stainless steel chimney liner. The insulation will enable the flue to heat up more quickly and to a higher temperature. This helps reduce the risk of having an inadequate draft. In addition, while the flue gasses stay hot, less creosote will form and less fuel will be wasted.

Is a chimney liner necessary for furnace?

Older, less efficient furnaces do not need a chimney liner. This is because the steam they release can be up to 700 degrees Fahrenheit. That means that the steam uses the entire space of the chimney as it travels outwards. More efficient furnaces, such as those at 80% AFUE, use the chimney for ventilation as well.

What size chimney liner do I need for boiler?

For Hot Water Heaters and Oil Furnaces the ideal diameter of the liner needed to vent your appliance is the size on your unit. For example, if it has a 6″ opening where the pipe is to be inserted, that is the ideal size liner you need.

Can you have an open fire with a flue liner?

Open wood burning and coal fires require a class 1 flue liner with a minimum diameter of 200mm. Open fires with larger fireplace openings (usually freestanding grates) will need larger flue sizes calculated alongside the height of the chimney and required ventilation.

How do you know what size chimney liner you need?

When sizing a fireplace for a square or rectangular liner the 1/10 ratio should be used. This means that the area of the liner should be 1/10th of the fireplace opening. So in the example above where the fireplace had 1080″ of area, it should be divided by 10 which means a liner with 108″ of area is needed.