Do I need a chimney liner for an open fire

A chimney liner is obligatory if you are installing a woodburning stove, gas fire or open fire in a new build property to comply with Document J of current Building Regulations. A chimney liner may be necessary in an older property if the flue inside your chimney is no longer safe to use.

What type of chimney do I need for an open fire?

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.

Is my chimney safe for an open fire?

The best way to ensure your fireplace is safe to use, whether it be wood burning or gas fired, is to have a professional inspection annually. The lack of proper maintenance of your fireplace can cause many hazardous conditions including fire, carbon monoxide poisoning and toxic fumes.

Can you use an unlined chimney?

As a chimney sweep, the most important part of a chimney that we inspect is the flue lining. In many older homes, there is no flue lining. This type of chimney system is referred to as an unlined chimney. According to the Chimney Safety Institute of America, “Never use a chimney that does not have a liner…”

Does a brick chimney need a liner?

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. And the Chimney Safety Institute of America (CSIA) also recommends them.

Do you need a flue liner?

Secondly, while not mandatory, flue liners are highly recommended by most stove installers, and for good reason. Along with offering improved safety, cleanliness and efficiency, one of the main benefits of fitting your stove with a flue liner is also better performance.

Do all chimneys need a liner?

However, if you’re not using your fireplace and your chimney acts solely as a vent for your furnace or water heater, you may not need to have a liner installed. … Homeowners with gas or electric inserts most likely do not need a new liner because those types of fuel don’t produce enough heat to damage a masonry chimney.

Can I install a fireplace insert without a liner?

When an insert has no liner, or a partial liner, it cannot be cleaned in the normal way (by putting a brush into the chimney through the insert). Doing so would cause ash and creosote to fall behind the insert, where it would build up and potentially ignite.

What if my chimney doesn't have a liner?

Without one, your chimney walls will eventually deteriorate and contaminates will be able to seep through any cracks. … A properly installed chimney liner that’s in good condition will be able to keep it out. Also, if your chimney doesn’t have a liner, that increases the chances of your flue getting cold.

How do I know if my fireplace can burn wood?

If your fireplace has an empty firebox, it is a wood-burning system. Your wood-burning stove will have a door and a space to build your fire, but no ignitors or feeding devices like a pellet stove might have. Wood fires burn wood and vent directly up the flue.

Article first time published on

How do you know if the fireplace flue is open?

Before lighting a fire, you can tell if the damper is open by placing your hand into the fireplace. If you feel a draft coming down the chimney, it is a good indicator that the damper is open. If you don’t feel any cold air coming down the chimney, it means that the damper is closed.

How much is a chimney liner cost?

Chimney Liner Installation Cost For the average homeowner, having a chimney liner installed costs about $2,500. For more expensive materials, prices tend to average at $5,000 and could climb to $7,000. With an easy-to-install material like aluminum, the DIY cost of materials and equipment could be as low as $625.

Does a chimney need a flue?

Technically, a flue is any open vertical space in a chimney that allows smoke to escape the home from the firebox. But because every chimney’s flue must be lined, a chimney liner is usually referred to as the flue, as well. Every wood-burning or gas fireplace has a flue.

Can I reline my chimney myself?

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!

Do you need a chimney for a fireplace insert?

Do Electric Inserts Need a Chimney? Unlike wood-burning and direct vent systems, electric fireplaces do not need a chimney to vent combustible byproducts. However, they do have other unique needs that wood and gas burning inserts may not require.

What is the benefit of a chimney liner?

Increases a home’s energy efficiency: Liners form a layer of insulation inside a chimney that reduces the downdrafts that can come down it during times when there is no fire in the hearth. This means less cold air getting into your home and forcing you to run your heater more often.

How much is a fireplace insert?

How much does a fireplace insert cost? Most fireplace inserts and a professional installation cost about $2,000 to $4,000, depending on the state of your existing chimney and the model you select. Some electric models cost significantly less, but they offer less heat output than wood and gas fireplace inserts.

Can a fireplace be both gas and wood burning?

If your home came with a gas fireplace previously installed yet you yearn for the smoky aroma and crackle that a wood-burning fireplace offers, you can convert your gas fireplace into a wood-burning one.

Can you use a gas fireplace as a regular fireplace?

Many gas fireplaces have logs in the firebox but these aren’t real. A gas fireplace would need to be converted to a wood burning fireplace or stove to burn wood. As with all other gas fireplaces, our own gas fireplace isn’t able to burn wood.

How do I know if my chimney is safe to use?

1. There’s no bird nest or debris buildup on the cap.
2. There are no tree limbs above or near the chimney.
3. The mortar and bricks on the chimney aren’t crumbling or missing.
4. The chimney rises at least 2 feet above where it exits the roof.

How do I find my chimney flue?

Using a flashlight, poke your head inside the fireplace to look up into the chimney. If you have a throat damper, you can tell if it is closed if you see a barrier above your head. If you can see up into the flue, the damper is open.

How does a chimney draw?

Chimneys operate on the principle that hot air rises because it is less dense than cold air. … The rising hot gas creates a pressure difference called draft which draws combustion air into the appliance and expels the exhaust gas outside. Two factors affect the amount of draft produced by a chimney.

How do I make sure my fireplace flue is open?

Feel the Breeze Feeling the breeze is another method you can use to know whether you have an open or closed flue. Locate your hand inside the fireplace and wait to notice if you can feel the air flowing. When the flue is open, air will flow down the chimney.

Is a damper the same as a flue?

A damper is located in the flue of your chimney. The flue is where the smoke escapes when the fire is going. Dampers are placed inside of the flue to help control ventilation. Your damper should have a chain or handle that you can access in order to open and close it.

How do you open the flue on a wood burning fireplace?

Check inside the flue to locate the throat damper control. It may be a lever that you push forward or sideways, or it could be a screw-type handle that you turn clockwise to open and counterclockwise to close. There are also latch control handles.

Why are chimney liners so expensive?

Size – The diameter and length required for your chimney are two main factors in the chimney liner cost. Larger, and longer, both cost more. Insulated or Not – Depending on the use, you may be required to add insulation between the chimney liner and the existing chimney flue.

How long do chimney liners last?

Average Lifespan of Chimney Liners The average lifespan of a chimney liner is 15 to 20 years. After two decades you will probably need to get the entire liner replaced to make sure it’s still up to code and not a serious fire risk.

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.