K-Flex Pipe Insulation

K-Flex Pipe Insulation — Flexible Elastomeric Foam for Every Application

K-Flex is a premium elastomeric foam pipe insulation manufactured by K-Flex (Imper Italia), trusted by M&E contractors and installers across the UK for its outstanding thermal performance, flexibility and ease of installation. Pipelagging.com stocks the full K-Flex range for trade and public customers with fast UK delivery.

K-Flex Product Range

  • K-Flex ST — Standard closed-cell elastomeric foam pipe insulation. Class O fire rated, suitable for HVAC, chilled water, refrigeration and plumbing pipework. Excellent resistance to water vapour transmission.
  • K-Flex Solar HT — High-temperature, UV-resistant pipe insulation for solar thermal and outdoor applications. Maintains performance in exposed conditions.
  • K-Flex Self-Seal — Pre-split with factory-applied adhesive for fast, tool-free installation. Ideal for retrofit and maintenance work.
  • K-Flex Sheets & Rolls — Flexible insulation sheet material for wrapping irregular shapes, valves, fittings and ductwork.

Why Choose K-Flex?

  • Class O fire rating — compliant with UK building regulations
  • Closed-cell structure prevents condensation and moisture ingress
  • Highly flexible — easy to install on bends, valves and complex pipework
  • Wide range of bore sizes and wall thicknesses available
  • Suitable for temperatures from -200°C to +150°C (HT grade)
  • Competitive alternative to Armaflex with equivalent performance

Whether you're insulating chilled water systems, HVAC pipework or solar thermal installations, K-Flex delivers reliable performance at a competitive price point.

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