Armaflex Pipe Insulation

Armaflex Pipe Insulation — UK's Leading Supplier

Armaflex is the world's most trusted flexible pipe insulation, manufactured by Armacell and used across commercial, industrial and domestic applications throughout the UK. As a specialist Armacell supplier, pipelagging.com stocks the full range of Armaflex pipe insulation for next-day delivery.

Armaflex Product Range

  • Armaflex Class O — The industry-standard closed-cell elastomeric foam insulation. Class O fire rated, ideal for HVAC, chilled water and refrigeration pipework. Prevents condensation and reduces heat loss.
  • Armaflex Evo — The next generation of Armaflex. Improved thermal performance, lower lambda value, and reduced wall thickness for the same insulation performance. Available in standard and self-seal versions.
  • Armaflex HT — High-temperature pipe insulation for solar thermal, district heating and hot water systems. UV resistant and suitable for outdoor use up to 150°C.
  • Self-Seal Armaflex — Pre-split with a factory-applied adhesive strip for fast, clean installation. No glue required. Ideal for retrofit and maintenance applications.
  • Armaflex Tuffcoat — Outdoor-grade Armaflex with a tough protective coating for underground and exposed pipework applications.

Why Choose Armaflex?

  • Class O fire rating — meets UK building regulations
  • Closed-cell structure prevents moisture ingress and condensation
  • Flexible and easy to install on complex pipework
  • Available in a wide range of bore sizes and wall thicknesses
  • Suitable for temperatures from -200°C to +150°C (HT grade)

Whether you're insulating chilled water pipework, refrigeration systems, HVAC ductwork or solar thermal pipes, Armaflex delivers proven performance backed by decades of engineering expertise.

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