Twin Wall Flue
Twin wall flues are specialised insulated chimney systems designed for use with open or closed solid fuel stoves, including condensing and oil fired appliances. They can withstand continuous operating temperatures of up to 450°C and are perfect for heating appliances such as wood-burning stoves, gas coal effect fires, and oil boilers. These flues are ideal for new build projects and renovations as they are a simple, cost-effective solution for those without a brick chimney stack or an existing chimney stack, allowing for the installation of a stove in almost any room. Take a look at our article on fitting a twin wall system. We offer a wide range of chimney flue supplies, including chimney cowls, chimney liner, and flexible flue liner, to ensure your system is complete.
Nationwide Chimney Components only supplies premium, high-quality twin wall flue systems and twin wall flue pipes, including stove pipe, to meet your heating needs. Our twin-walled flue products include pipes with adjustable lengths, making them suitable for indoor and outdoor flues and biomass boiler installations. These products have a simple twist-lock bayonet jointing system and are available in high-grade stainless steel finish or black twin wall flue pipe in all sizes. They are also HETAS-approved, ensuring that they meet building regulations. Additionally, we provide all necessary flue installation materials, compatible with multi fuel stoves, to facilitate a smooth and compliant installation process.
PLEASE NOTE DIAMETERS 180mm & 200mm ARE NO LONGER AVAILABLE IN SCHIEDEL’S ICID RANGE
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Dragon Self Rotating Cowl
£255.00 Inc. VAT£212.50 Ex. VATA Dragon Self Rotating Cowl is suitable to be installed within an existing twin or single wall flue system using the specially designed "Push Fit" system. The Dragon Cowl always rotates and places itself in the opposite direction to the...£255.00 Inc. VAT£212.50 Ex. VAT -
460mm Effective Length
£102.11 Inc. VAT£85.09 Ex. VAT460mm Effective Length are used to make up spaces in order for the system to operate. The chimney flue pipe lengths can be applied either vertically or horizontally. The shorter chimney pipe lengths are great for making up spaces in tight room areas...£102.11 Inc. VAT£85.09 Ex. VAT -
Insulated Tee Plug with Drain
£118.10 Inc. VAT£98.42 Ex. VATThis Insulated Tee Plug with Drain is used at the base of the vertical chimney to provide a drain off point for rainwater and condensate. It also provides inspection or cleaning access. It may be used in both dry and wet conditions and on both...£118.10 Inc. VAT£98.42 Ex. VAT -
Top Plate
£122.94 Inc. VAT£102.45 Ex. VATThe top plate ICID plus is designed to be used internally or externally to provide either initial or intermediate support for the vertical chimney. It is used in combination with side plates or with cantilever brackets. Top Plate benefits ...£122.94 Inc. VAT£102.45 Ex. VAT -
2 Piece Trim Collar 45 Degree
£45.38 Inc. VAT£37.82 Ex. VATThe trim collars are used to give an aesthetic finish where the chimney penetrates the wall of a building. The 45 version should be used in combination with a 45 tee connection. NCC only stock the very best chimney and flue components so you can be sure...£45.38 Inc. VAT£37.82 Ex. VAT -
Retrofit Wall Support 60mm-200mm
£108.44 Inc. VAT£90.37 Ex. VATThis Retrofit Wall Support 60mm- 200mm is exceptionally easy to install, comes with a Lifetime Guarantee, but also saves up to £120 on a typical Ø150 4.5 m bungalow installation using standard black painted components...£108.44 Inc. VAT£90.37 Ex. VAT -
2 Piece Trim Collar 90 Degree
£38.18 Inc. VAT£31.82 Ex. VAT9580P0180 2 Piece Trim Collar 90 Degreeis an item used with ECO ICID twin wall insulated flue. It is insulated with a 25mm thick high density rockwool insulation. Generally used to cover a hole around the flue system, NOT to used as a...£38.18 Inc. VAT£31.82 Ex. VAT -
Ventilated Support Plate - 2 Piece
£105.16 Inc. VAT£87.63 Ex. VATVentilated Support Plate – Designed to support the twin wall flue system as it passes through a combustible floor.£105.16 Inc. VAT£87.63 Ex. VAT -
90 Degree Inspection Bend
£230.62 Inc. VAT£192.18 Ex. VATThis 90 Degree Inspection Bend is used to provide a change of direction on a connecting flue pipe. The cover plate on the middle section may be removed to allow inspection and cleaning access. 90 Degree Inspection Bend Features Allows change in...£230.62 Inc. VAT£192.18 Ex. VAT -
Insulated Tapered Terminal
£131.95 Inc. VAT£109.96 Ex. VATDN8A038125ECO ICID is a twin wall insulated flue manufactured with a 316L grade stainless steel liner and a stainless steel case. It is insulated with a 25mm thick high density rockwool insulation. Liner Thickness:- 0.5mm Case Thickness:- 0.5mm CE...£131.95 Inc. VAT£109.96 Ex. VAT -
£106.49 Inc. VAT£88.74 Ex. VAT
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£70.86 Inc. VAT£59.05 Ex. VAT
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Draught Stabiliser (Twin Wall)
£93.66 Inc. VAT£78.05 Ex. VATThe Draught Stabiliser Section is installed where there is excessive draught on a system. This is connected onto the system usually via a 90° tee.£93.66 Inc. VAT£78.05 Ex. VAT -
Schiedel ICID Screwfit Anchor Plate (Screwfit Spigot)
£131.95 Inc. VAT£109.96 Ex. VATThe Schiedel SCREWFIT Anchor Plate is used when commencing an installation with a fire chest, or when extending an existing brick or masonry chimney stack, an anchor plate must be used. The plate screws directly onto Schiedel Tecnoflex flue liner and is...£131.95 Inc. VAT£109.96 Ex. VAT -
Raincap with 10mm Sparkguard
£57.28 Inc. VAT£47.73 Ex. VATThis Raincap with 10mm Sparkguard is used to terminate the system and also prevents ingressive rain entering it, the 10mm mesh offers protection against sparks leaving the flue system onto easily ignited roofs such as Thatched or Shingles. Raincap...£57.28 Inc. VAT£47.73 Ex. VAT -
Adjustable Trim Collar 0-20 Degree
£42.59 Inc. VAT£35.49 Ex. VATThe Adjustable Trim Collar 0-20 Degree provides a very flexible way of giving an aesthetically pleasing finish to any chimney flue system.These collars are lightweight and easy to fit.£42.59 Inc. VAT£35.49 Ex. VAT -
Support Plate (Non Combustible Floor)
£46.75 Inc. VAT£38.96 Ex. VATSupport Plate designed to support the Twin Wall flue through a non combustible floor (i.e concrete).£46.75 Inc. VAT£38.96 Ex. VAT -
160mm Effective Length
£58.12 Inc. VAT£48.43 Ex. VAT160mm Effective Length are used to make up spaces in order for the system to operate. The chimney flue pipe lengths can be applied either vertically or horizontally. The shorter chimney pipe lengths are great for making up spaces in tight room areas...£58.12 Inc. VAT£48.43 Ex. VAT -
Cantilever Support
£142.25 Inc. VAT£118.54 Ex. VATThe Cantilever Supports are used once the position of the support has been established in relation to the chimney route. The plates are secured to the wall using expansion bolts to ensure adequate attachment and support. Supports the system when used...£142.25 Inc. VAT£118.54 Ex. VAT -
Schiedel ICID Screwfit Adaptor from Flex to ICID
£85.97 Inc. VAT£71.64 Ex. VATThe Schiedel SCREWFIT Adaptor is used to connect from Schiedel Tecnoflex flexible flue liner onto ICID at the top of an existing chmney stack. Suitable for use on solid fuel appliances. Simple and fast to install. Compatible with Schiedel...£85.97 Inc. VAT£71.64 Ex. VAT -
Adjustable Trim Collar 20-35 Degree
£43.54 Inc. VAT£36.28 Ex. VATThe Adjustable Trim Collar 20-35 Degree provides a flexible way of giving an aesthetically pleasing finish to any chimney flue system. These are lightweight and easy to fit£43.54 Inc. VAT£36.28 Ex. VAT -
Firestop Plate 2 Piece
£42.65 Inc. VAT£35.54 Ex. VATThis fire stop plate is used exclusively where the chimney passes through a non-combustible floor. Fire Stop Features Fast inter fit with ICID System Chimney. Suitable for use on solid fuel appliances.£42.65 Inc. VAT£35.54 Ex. VAT -
Adaptor Prima Smooth to ICID Plus
£58.66 Inc. VAT£48.88 Ex. VATThis Adaptor Prima Smooth to ICID Plus is used to convert from Prima Smooth to ICID Plus. The Schiedel Eco ICID range has evolved into a multi-application system adaptable for Dry (D), Fu (W) and even Positive Pressure (P) applications...£58.66 Inc. VAT£48.88 Ex. VAT -
Storm Collar Flat
£59.44 Inc. VAT£49.53 Ex. VATThis Storm Collar Flat is used with a flashing kit to add additional protection against the ingress of rainwater.£59.44 Inc. VAT£49.53 Ex. VAT -
Structural Wall Band (50mm)
£39.37 Inc. VAT£32.81 Ex. VAT95430180 This Structural Wall Band (50mm) is used to fix the chimney to a supporting wall and provides lateral support only at a fixed distance of 50mm. It can be used in conjunction with Wall band extensions to provide adjustments in distance from...£39.37 Inc. VAT£32.81 Ex. VAT -
Adjustable Trim Collar 35-45 Degree
£44.56 Inc. VAT£37.13 Ex. VATThis Adjustable Trim Collar 35-45 Degree provides a flexible way of giving an aesthetically pleasing finish to any chimney flue system.They are very lightweight and easy to fit.£44.56 Inc. VAT£37.13 Ex. VAT -
Adaptor Prima Plus to ICID Plus
£58.79 Inc. VAT£48.99 Ex. VATThe Adaptor Prima Plus to ICID is used to convert from the Prima Plus single wall connecting chimney flue pipe to the ICID system chimney. The Schiedel Eco ICID range has evolved into a multi-application system adaptable for Dry (D), Fu (W) and even...£58.79 Inc. VAT£48.99 Ex. VAT -
Structural and Retrofit Wall Band Extensions
£37.19 Inc. VAT£30.99 Ex. VATThese Structural and Retrofit Wall Band Extensions are used in conjunction with the Structural Wall Band to provide varying adjustments in distance from the wall.£37.19 Inc. VAT£30.99 Ex. VAT -
Retrofit Wall Band
£88.18 Inc. VAT£73.48 Ex. VATThis Retrofit Wall Band is used as part of teh Schiedel ECO ICID range, ICID Plus is ideal not only for traditional stoves but also for pellet stoves, biomass appliances, mini/micro CHP and even condensing boilers capable of...£88.18 Inc. VAT£73.48 Ex. VAT -
Appliance Connector (Open)
£41.70 Inc. VAT£34.75 Ex. VATThe ICID Insulated Appliance Connector is used to push into the appliance spigot with the male collar pointing upwards. It is used on solid fuel appliances and is sealed to the appliance with fire rope and fire cement or high temperature sealant to...£41.70 Inc. VAT£34.75 Ex. VAT -
Loft Guard
£166.45 Inc. VAT£138.71 Ex. VATThis Loft Guard component is used to protect the flue form accidental touch within the loft space, preventing a fire from starting. Loft Guard Features Prevents the risk of a fire. Specially engineered. Pre-cut ventilation gaps. 1m long in length.£166.45 Inc. VAT£138.71 Ex. VAT -
£62.95 Inc. VAT£52.46 Ex. VAT
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Uninsulated Increasing Adaptor
£63.60 Inc. VAT£53.00 Ex. VATThe ICID Uninsulated Increasing Adaptor is used to start the connection from the appliance to the flue and allows increasing of the flue. It will sink into the appliance spigot and connect to a pipe length. Uninsulated Increasing Adaptor...£63.60 Inc. VAT£53.00 Ex. VAT -
Inspection Length
£421.62 Inc. VAT£351.35 Ex. VATThis Inspection Length is used to provide an inspection or cleaning access on Dry or FU applications under negative pressure conditions (N1). The inspection Box is uninsulated. Inspection Length Features Allows inspection of the pipe for cleaning...£421.62 Inc. VAT£351.35 Ex. VAT -
Wall Sleeve 45°
£70.22 Inc. VAT£58.52 Ex. VATA Wall Sleeve to suit a 45° angle through a Masonry and Timber Wall.£70.22 Inc. VAT£58.52 Ex. VAT -
Roof Support
£79.10 Inc. VAT£65.92 Ex. VATThis item is used to provide the chimney with lateral support as it passes through the roof space. The band is tightened around the chimney and the side plates are rotated and fixed to the roof trusses to suit the angle. Specially engineered Pre drilled...£79.10 Inc. VAT£65.92 Ex. VAT -
Screwfit Schiedel Adaptor ICID Plus To Tecnoflex Plus
£78.97 Inc. VAT£65.81 Ex. VATThe Chimney SCREWFIT Flue Adaptor Eco ICID to Tecnoflex Plus is used to convert the ICID system to the TecnoFlex system. Schiedel Chimney Systems have a range of adaptors to connect all our systems together.£78.97 Inc. VAT£65.81 Ex. VAT -
Ceiling Hanger 2pc - 200mm
£51.17 Inc. VAT£42.64 Ex. VATThis Ceiling Hanger 2pc - 200mm is used to provide an unsupported chimney with lateral support above roof level. It should be used in conjunction with guy wires or with rigid stays (provided by others) which should be attached to the bracket and...£51.17 Inc. VAT£42.64 Ex. VAT -
Wall Sleeve 90 Degree
£29.45 Inc. VAT£24.54 Ex. VATA Wall Sleeve to suit a 90 degree angle through a Masonry and Timber Wall.£29.45 Inc. VAT£24.54 Ex. VAT -
Ceiling Hanger (1pc) - 180mm
£37.32 Inc. VAT£31.10 Ex. VATThis item is used to provide an unsupported chimney with lateral support above roof level. It should be used in conjunction with guy wires or with rigid stays (provided by others) which should be attached to the bracket and then secured to suitable...£37.32 Inc. VAT£31.10 Ex. VAT
The external diameter of double-walled flues is 60 mm more than the inside diameter. So, a 150 mm pipe has an outer diameter of 210 mm. Our twin wall flues can pass through floors, roofs, or walls, depending on your required flue route. We stock the Schiedel flue system and are one of the UK’s leading providers of flue supplies and flue liners, including chimney cowls, chimney liner, and flexible flue liner. We also offer a comprehensive range of flue installation materials, ensuring compatibility with multi fuel stoves and ease of installation for both existing chimney and new constructions without an existing chimney stack.
When installing a twin wall insulated flue system, it is essential to contact a HETAS approved tradesperson to ensure that your flue system is fitted correctly and meets building regulations. At Nationwide Chimney Components, we are committed to providing our customers with the highest quality twin wall flue products and services to ensure a safe and efficient heating system.