Furanflex25 & Ventilflex25 - Lining solutions guaranteed for 25 years


The application areas feature VIDEO CASE STUDIES illustrating the application method.

Our systems are suitable for all heating and ventilation lining and renovation projects.

  • Chimney lining
  • Chimney repairs
  • Chimney relining
  • Duct lining
  • Duct replacement
  • Chemical extraction in laboratories
  • Kitchen extraction units
  • Ventilation ducting
  • Water down pipes

Our solutions are used in commercial and residential projects to reduce the whole life cost of chimney and duct lining systems, reducing maintenance and downtime.

Find a Certified Installer

Welcome to Kompozit'allUK: Advanced Lining Solutions

Thank you for visiting The UK’s leading provider of high-tech lining solutions. Our FuranFlex25 and VentilFlex25 systems have redefined approaches to chimney, flue and ventilation duct lining.

We are the UK home for accredited FuranFlex surveys and installations. Enquire today to arrange a fast and accurate CCTV survey that guarantees you the best quotation and the most energy-efficient lining system currently available.

With over 7,000 successful UK installations and a FULL 25 year guarantee, our solutions are tougher, faster, longer lasting and more reliable than traditional liners. This product is fully proven and over the past 20 years, more than 3 million metres of VentilFlex and FuranFlex lining material have been installed across Europe – Success depends upon installation by an approved and accredited Kompozit’allUK engineer.

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Why Choose Kompozit'allUK?

  • Accredited installation and training partners with certificates updated annually
  • Cast iron 25 year product guarantee
  • Fast & accurate CCTV surveys
  • On-site installation support
  • Fast, clean installations
  • Durable, long lasting, compliant lining solutions
  • UK wide market coverage
  • Competitive pricing – excellent value for money
  • Established UK company with 7 year successful reputation
  • Industry-leading fire resistance rating
  • Efficient product ordering, delivery and tracking service
  • Remote telephone and online support from our UK head office
  • Wide stock of spare parts
  • Clear and comprehensive technical literature available to download
  • Consultancy and design advice from industry specialists
  • Fast quotations and order fulfilment
  • Established UK business

Our Installers: Wherever you are ... we are.


Always use an accredited  Kompozit’allUK installer and specify genuine FuranFlex25 or VentilFlex25 for your project.

Our experienced installation partners provide you with a professional, reliable service for all types of commercial and residential projects. Each installer is carefully chosen for their work ethic and capacity to offer a completely dependable service to end-users. They are specialists with a track record of project completion within budget and timescale.


Having undergone extensive product and support training – renewed each year – our nationwide distribution network offers you…

  • The right product knowledge
  • The right people
  • The right support
  • The right price
  • The right certification and;
  • The right guarantee


We provide service throughout the UK, Ireland and the Channel Islands with in depth local knowledge and guaranteed results. Click here to find an installer near you.

Nationwide network installing FuranFlex for 7 years with trained, certified and registered, financially assured local lining engineers

Our CPD presentation Program

Are you an architect wanting to attend a RIBA approved CPD seminar?

You will discover:

  • How a chimney works
  • Chimney design and sizing
  • Flue lining Systems
  • Remedial works to existing chimneys. Suitability of linings for different appliances/fuel types
  • Maintenance of chimneys
  • Overview of chimney terminals and chimney fans

Join Our Program Today

How To find Us

We pride ourselves on through life care and we will respond promptly and professionally to your enquiries, whatever the issue may be. Fill in the enquiry form below to contact us.


9 Birch Crescent, Aylesford,
ME20 7QE

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