Spotlight on… SFL Flues & Chimneys

An advanced 120,000ft² manufacturing facility in Barnstaple, Devon is the destination for March’s spotlight, where we’ll be exploring the expertise and innovation of SFL Flues & Chimneys.
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An advanced 120,000ft² manufacturing facility in Barnstaple, Devon is the destination for March’s spotlight, where we’ll be exploring the expertise and innovation of SFL Flues & Chimneys. The company pride themselves on their British heritage and high-quality products, with over fifty years’ innovative manufacturing experience.

Providing products for the residential, commercial, and industrial sectors, SFL manufacture a range of flue systems able to facilitate almost every requirement. SFL’s customer-centric approach is present throughout all their work – from sales to research and development, SFL deliver quality and reliability trusted by specifiers, contractors, and householders alike.


A process of developing and investing in people has defined SFL. The company’s policy of continuous innovation has assisted them in becoming the UK’s leading manufacturer of flues and chimneys.

Residential and commercial applications

Domestic heating requirements and SFL have gone hand-in-hand for decades, with SFL flue products ever-present across the country since 1969. With products promoting quality, ease of installation, and comprehensive warranties, it is no surprise that SFL are trusted with keeping homes across the country safe and compliant.

The company and its products are synonymous with engineering excellence and innovation, with a combination of these key elements plus unceasing growth making SFL a key player in today’s global market. SFL’s growth has been propelled since they joined the Sphering Group, a major force in Europe, in 2022. Sphering Group are renowned for their expertise in the design, manufacture, and distribution of advanced air and flue care systems. The acquisition has proved beneficial for the company and its customers, with SFL gaining additional expertise to aid in research and development, enabling further growth across new sectors.

Support and project assistance

SFL pride themselves on providing industry-leading technical support, with a team of experienced operatives on-hand to assist with every stage of your project. From product selection to application advice, SFL work with key installation partners to offer a bespoke and customised turnkey package for a variety of requirements.

WeLab® research and development centre

SFL value innovation. They understand that innovative, quality products keep them at the forefront of the market and ensure they are able to meet their customers’ every need. The WeLab® research and development centre is at the core of this philosophy. The facility represents a vital component in SFL’s responsible approach to future plans and the company’s environmental consciousness.

With this facility, SFL can ensure compliance with the newest European Standards, including Nearly Zero-Energy Building (NZEB), and continue creating innovative products. The WeLab® research and development centre grants SFL the opportunity to push forwards and meet their goals, supplying clients with products that boast the highest levels of safety and performance.


NEXUS® is SFL’s newest twist lock twin wall flue system, adding to a portfolio of trusted chimney and flue brands. NEXUS® offers efficiency and reliability – its Quick-Fit Jointing System takes up to 45% less time to assemble in comparison to a conventional locking band, whilst also minimising the risk of scratching the pipe during installation. The built-in low-profile remains in place during assembly, making installation easier and quicker than ever. Further, the unique eight-barb twist lock coupler protects the insulation from moisture ingress, ensuring your installation is safe and secure.


Usable on wood burning, multifuel, and pellet stoves, NEXUS® boasts a new joint that is capable of supporting itself free-standing up to 2.5 metres above the last support, making it ideal for installations in single-storey extensions. The flexibility and ease of installation speak for themselves, and make installation easier than ever. NEXUS® also has a twenty-year product warranty, demonstrating SFL’s confidence in the quality of their products.

SFL’s reputation of manufacturing the highest quality products and continuously innovating enables their products to be trusted throughout the industry. Products that make installation easier and more efficient are an essential part of SFL’s ethos; the WeLab®research and development centre aids SFL in its mission for continuous progress and the highest performance, all whilst maintaining an environmentally responsible approach to innovation.

View the range of HETAS Approved Products from SFL Flues & Chimneys on the HETAS product search.

Find out more about SFL Flues & Chimneys by visiting their website. You can also keep up to date with them through their social media channels: LinkedIn, Facebook, and X.

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