A lot goes into installing a stove – once y'all have chosen your favourite way, yous've and then got to make sure you have all the parts in their correct places!

Flue liners for forest burners are one of the near important pieces of the puzzle. Something of the back bone of your stove, they are responsible for making sure y'all can burn your fuel effectively and safely.

But, y'all may be wondering exactly what a flue liner is and if y'all really demand i at all. In this guide we will cover:

  • What exactly is a flue liner?
  • Why you need to get your chimney lined
  • How to find out which size, blazon and length you lot need to buy
  • Approximately how much it will cost

Read on to find out everything you need to know about stove flue liners with our expert guide!

What is a flue liner?

Starting time things first, what exactly is a flue liner?

A flue liner is simply what it sounds similar! Also often referred to as a chimney liner, a flue liner is a flexible tube that is connected to your stove pipe to line the inside of your chimney. It runs up the entire length of your chimney, conveying the fumes up your flue liner instead of releasing them directly into your chimney crenel.

How practise I know if I have a chimney liner?

If y'all are using your chimney for the first time, you should have it inspected past a professional person – this is to ensure it is operating safely, with no leaks or blockages. A chimney inspector volition exist able to tell you whether your chimney is lined, and if your liner is in adept enough status to use.

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What is the purpose of a flue liner?

The main purpose of a flue liner is to:

  • Increase efficiency
  • Assist continue your chimney clean
  • Improve condom

Of course, these three reasons are all very much connected!

Showtime, let's look at efficiency. Old unlined chimneys are generally common cold, since they lack insulation. This makes it harder for the hot smoke to rise, so it will ofttimes condense before it reaches the top of flue. This tin lead to water vapour forming – which can lead to damp – forth with heavier fume being produced.

Related: Mutual Causes of Clammy in Your Chimney & What to Exercise Well-nigh Them

This leads us to cleanliness. The more than excessive smoke will dirty your chimney walls in the course of creosote. Creosote is incredibly hard to remove, then as it builds up information technology can create blockages.

Finally, this becomes a rubber result. Blockages are a very common cause of chimney fires. A lined chimney likewise helps protect yous from carbon monoxide leaks. If any cracks form in your chimney that y'all are unaware of, dangerous fumes tin can leak out. A flue liner offers increased protection against this happening.

Do I really need a chimney liner for a wood burner?

We've seen the reasons in favour of them, but is a chimney liner really necessary for a log burner? Later on all, in that location are no laws that specifically say you must have your chimney lined, so long as you meet the requirements of Document J building regulations.

Firstly, you need to be aware that a chimney liner is not to be used in place of a suitable chimney – if your chimney is damaged, you lot will still need to get it repaired fifty-fifty if you take a chimney liner.

Related: Are There Building Regulations For A Stove?

Secondly, while not mandatory, flue liners are highly recommended by well-nigh stove installers, and for expert reason.

Along with offering improved safety, cleanliness and efficiency, one of the chief benefits of plumbing equipment your stove with a flue liner is also better performance. Pretty much all log burners perform better with the help of a flue liner – you volition experience less issues with draw, drafts, lighting your fire and keeping a proficient burn going.

And then, while you tin install a log burner without a flue liner, it is best not to. A flue liner volition serve y'all well in the long run by protecting your chimney and saving yous money from repairs that may result from not using one.

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What size flue liner practise I need?

While it is not a legal requirement to have your chimney lined, if you do choose to do so, and so in that location are regulations you must follow to make sure you lot do it safely. I of these is the size of flue liner y'all employ with your stove.

If you are ownership a new stove, the manufacturer should state what size flue liner to use with it. Always use the recommended flue size for your specific log burner – never use one smaller than required, as this is a serious condom take a chance.

The general rule is as follows:

  • For a stove of upward to 20kW a minimum of vi" diameter flue is needed.
  • You can apply a 5" diameter flue liner if you accept a DEFRA approved stove and the manufacturer clearly states this is compatible.

The size of the stove collar does not necessarily correspond to the size of flue liner you demand. If your stove collar (where you attach the stove pipe) is v" but y'all need a half dozen" flue liner, adapters are available for you to do so.

When it comes to length, you need to ensure yous take a flue liner long plenty to reach from the top to the bottom of your chimney. Sticking ii separate pieces together is against regulations – and unsafe – and so it'southward meliorate to social club too much than also lilliputian! A chimney sweep should easily be able to measure your chimney length for you – simply brand sure you let them know you want it doing before they commencement the sweep.

To make things easier, when you order a flue liner pack with your stove from Direct Stoves,  we ensure you receive the right diameter liner and necessary adapter – just choose from the drop down when ordering your stove!

Shop Flue Parts & Adapters

Meet our flue parts & adapters to detect what you need to connect your liner to your stove.

What blazon of flue liner do I need?

Back in the 1960s, chimneys were lined with clay. Today, most chimneys are being lined with flexible steel liners. For a solid fuel burning stove, make sure you lot cull the correct type – don't use 1 intended for a gas fire or stove, equally information technology won't be safety.

There are ii different grades of flue liner:

  • 316 grade – this is cheaper but fine to use if you are called-for seasoned woods but
  • 904 class – more expensive but also more durable. Y'all should use this form if you plan on burning coal oftentimes

Related: How to Stack, Store & Flavor Firewood

How Much exercise Chimney Liners Cost?

The cost of lining your chimney is very much dependent on what diameter flue liner y'all demand, how long yous require it and what grade you go for.

For example, our 5" bore 316 class Dura Flue would cost around £102 for 6 metres.

Our 6" diameter 904 grade Dura Flue would price effectually £181 for 6 metres.

A tradesperson could accuse effectually £100 – £250 per hour to behave the work out, as they may need to bring safety scaffolding – plus, this is a ii-person job! Y'all might also need to factor in a cost of £l – £eighty for a chimney sweep first, if this is non included by your fitters.

Overall, fitting a chimney liner to use with your stove is a wise conclusion! It is:

  • Safer
  • More efficient, and;
  • Cleaner

Shop Flue Liners at Direct Stoves!

At Direct Stoves, we tin source any parts y'all demand to fit your log burner safely. Take a look at our flue liners for wood burning stoves to find quality products today!

Find more stove installation advice on the Directly Stoves weblog…

Why You Need to Sweep Your Chimney | How to Have a Woods Called-for Stove Without a Chimney | Why Does My Log Burner Keep Going Out?