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FREE NEXT DAY DELIVERY For All Orders Of £100 Nett*
*(excludes Scottish Highlands, Northern Ireland, Eire, and Uk Islands)

Call Us Today 0344 800 6586

Open Mon - Fri: 9am - 5pm
Local Rates Apply*

Wood Burner Flues

Fluesupplies.com is the UK's leading supplier of flue products for log burning stoves , multi fuel stoves, gas fires, open fires and commercial boilers.

Hetas Approved Products

All our products are HETAS compliant and come with full warranties, so you can buy with complete confidence.

Ultraflex : Made in the UK

Our Ultraflex flexible liner is made in our own facilities in the UK to the highest quality. Manufactured from 316 grade Stainless steel inner and 316 outer, fully corrosion and crush resistant , suitable for burning dry seasoned wood, it has a normal operating temperature of up to 450 degrees centigrade (solid fuels). It comes with a full 20 year product replacement warranty.

High Quality Products

For products that we don't make, we carefully source from only the best quality suppliers who share our ethos of high quality and customer service.

Get your order delivered the next day

Next day delivery is available when you place your order before 2pm, and is free on orders over £100 * (excludes Scottish Highlands, Northern Ireland, Eire and UK Islands). All other UK deliveries are 1-2 days, with Scottish highlands and islands being 3 -5 day turnaround.

Quality products, quality service

With over 20 years experience, we work hard to ensure you get the best service and quality products. We pride ourselves on having the most knowledgeable staff, who are available to answer your queries and advise on the most suitable products for your project. Please give us a call on 0344 800 6586.

Stove Flue

We supply a full range of vitreous enamel flue pipe, for the connection between your stove and chimney liner. This is available in both matt black finish (4in - 8in diameter) and stainless steel (5in & 6 in diameter).

Twin wall flue

Our twin wall is available in stainless steel ( 4 in, 5 in, 6 in, 7 in, 8in,10in & 12in diameter) and matt black finish ( 5in & 6 in diameter)

Log burner flue liner kit

If you require a complete kit of all the products you require for your project, please give us a call on 0344 800 6586 and one of our specialists will be able to go through your requirements and put together your order.

Installation of liners for log burners

Get your chimney checked and cleaned


If you are installing to an existing chimney, please ensure you get the chimney cleaned first to remove any residual soot, obstructions and combustible material. We strongly advise getting your chimney checked by a specialist to verify it's integrity and to advise whether it needs relining.

Building regulations

Remember that once installed, work should be visually inspected as per UK Building Regulations (document J) to ensure liners are properly installed and the right size for your appliance, and ensure everything is connected and installed correctly. We would also advise performing a smoke test.

Wood Burner Flue FAQ

What size flue do I need?

The flue diameter needs to be at least 6 inches (150mm) to comply with HETAS regulations, unless you have a DEFRA approved stove which can be 5 inches (125mm) .If your stove outlet is smaller, you will need to purchase an increaser to enable you to connect a larger diameter pipe.

How hot does a log burner chimney get?

Under normal operation, a chimney flue can be 150 -200 degrees centigrade.  For this reason alone, it is essential to get your chimney swept to remove any debris and deposits that could be combustible and catch fire.

How to install log burner flue?

Flexible flue can be installed from either the top or bottom of your chimney, using a corresponding size nose cone and drawstring. You may also require a register plate at the bottom, and at the top the liner will need to be connected to a chimney pot /cowl.  Any gaps between the liner and brick stack should be backfilled with vermiculite insulation. For more detailed information please see our installation guide.

What are the wood burner flue regulations?

Wood burners and chimneys are regulated by the Building regulations
part J 


These include:
● Requirements for hearths
● Requirements for flues passing through roofs
Carbon Monoxide alarms
● Chimney outlet positions
● Flue sizes

What should I use for log burner external flue?

If you do not have a brick chimney stack and need to run the flue externally, you will need a twin wall flue system .This is effectively a double skin of chimney liner, with insulation in the middle, designed to be used as an external free standing chimney.

We supply them in either stainless steel or matt black. For more information, see our twin wall flue section.

How to connect flue to my log burning stove?

From the stove outlet, you will need to install vitreous enamel flue pipe which then connects to the flexible flue liner in the chimney, the twin wall external flue or a register plate , depending upon the exact arrangement in your home.

For more detailed information, see our installation guides:

Flexible liner installation 
Twin wall installation 

Do I need to get my log burner signed off?

Yes, all works must be completed and signed of by a Hetas approved installer.

Do I need to line my chimney?

Most houses built before the 1960's will need to be lined with flexible chimney liner if they don't already have one installed. Houses built later than 1960 usually have concrete or clay chimney liner built in, but we would advice you get a specialist to double check.

Are wood stoves going to be banned in the UK?

log burning stove

No, only the most polluting types of fuel such as wet wood & house coal will be banner.

You will still be able to use your stove with suitably well seasoned wood or pellets.

Slide

Winter warmer Free When you buy 7 meters or over of 5” or 6” solid fuel liner and get this pack free of charge. Pack Includes:
Stainless Steel Suspending Cowl
Flue Adaptor to Stove Pipe
500g Natural Fire Cement
Nose Cone
Winter Warmer Pack Worth £97.50 Inc Vat
flex Ultraflex Flexible Flue Liner ULTRAFLEX liner is made from twin lined grade 1, 0.12mm
quality stainless steel in 316 or 904.

HETAS Approved Products - Trusted By The Trade

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