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J-Flex – your complete source for specialist industrial rubber components and related products for the energy and utilities markets.

J-Flex is one of Europe’s leading suppliers of quality engineering rubber components specially designed for the harsh environments within the energy and utilities industries.

We understand the importance of cutting-edge technology, state of the art materials and an effective response to harsh environments within the energy and utilities markets.

With over 35 years of manufacturing, supply and technical experience, J-Flex is a renowned leader in the provision of engineered rubber and synthetic components for the energy and utilities markets. We specialise in innovative products that are designed to:


Seal • Insulate • Protect Repair

J-Flex – where “specials” are standard – and this has been the compelling case throughout our proud history.

Contact us – to discuss your specific needs in detail.


  • Extruded Viton™ and PVC Nitrile vapour seal sections
  • Hand fabricated expansion joints contain flue gas emissions
  • Fire resistant / low smoke low toxic silicone extruded door and hatchway seals


  • Stitched rubberised fabric compensators to silence pipework systems
  • Sponge tubings
  • Strips, joints and gaskets for insulating pipes
  • HVAC expansion joints
  • Insulation jackets – sewn fabric/sponge composites


  • Anti-fouling markers and protection materials
  • Fully bonded rubber/metal track pads on pipe laying equipment
  • Pipe systems piggy-back mouldings


  • Viton™ sealant and adhesive

Viton™ is a Registered Trade Mark of The Chemours Company.

Need more information?

Explore our Resources, News and About sections – where you’ll find a wealth of information, helpful downloads, white papers, and much more.

Why buy from J-Flex?

If you are looking for a friendly and helpful industrial rubber products supplier, with great product knowledge and excellent customer service, then you’re in the right place. We supply a vast range of quality items including rubber sheet and an array of fabrications made from premium grade elastomers including silicone and Viton™ – many of which are available for next day delivery. With over 35 years operating experience, J‑Flex is the preferred supplier of industrial rubber products – providing engineered rubber components and specialist rubber sheetings you can trust. Whether you are looking for silicone sheets, rubber mouldings, gaskets, sleeves, extrusions, bellows, fabrications, rubber sealants or adhesives -including Viton™ sheets and sealants, J‑Flex can help. You’ll find our Accreditations, Approvals, Certifications and Compliance​ information here.