NH/ArmaFlex is a halogen-free, flexible closed-cell elastomeric foam insulation material that is certified for use in marine and railway applications as well as special building types. It provides excellent water vapour diffusion resistance for long-term thermal stability in heating, ventilation and air-conditioning (HVAC) applications and does not contain halogens such as chloride and bromide. NH/ArmaFlex provides insulation of pipes, ducts and vessels of air-conditioning, refrigeration and process equipment to prevent condensation and saves energy.


Key features

  • Does not contain halogens (chloride, bromide) according to DIN / VDE 0472, part 815. Fulfills DN 1988 Part 200.
  • A reliable solution for shipyards
  • Professional insulation for clean rooms
  • Suitable for use on stainless steel - prevents stress corrosion cracking when installed
NH/ArmaFlex® for stainless steel
NH/ArmaFlex® - flexible halogen-free technology

Explore our solutions

ArmaFlex Class 0 - for safety, efficiency and better indoor air quality

ArmaFlex Class 0 is the trusted insulation system for HVAC applications. Class 0 fire classification according to BS476 Parts 6 and 7. Reduces mould and bacteria growth with Microban® anti-microbial product protection, unique to Armacell.

HT/ArmaFlex - flexible elastomeric foam insulation for use in high temperature applications

HT/ArmaFlex is a flexible elastomeric foam insulation used in high temperature applications (up to 150 ºC). The advanced insulation solution for industrial applications. Reduces the risk of corrosion under insulation (CUI). Built-in UV-resistance for long service life. 

ArmaGel HT - next generation aerogel blanket technology

Welcome to the next generation of aerogel blanket technology. Flexible and bendable. Environmentally safe. Superior thermal performance. Designed for safety. C1728 compliant. ArmaGel HT is the reliable solution for high-temperature applications. 

About Armacell - Who we are

As the inventors of flexible elastomeric foams for equipment insulation purposes, Armacell develops innovative and safe thermal, acoustic, and mechanical solutions. By enabling energy efficiency for equipment we validate our global leadership in flexible technical foams. We provide innovative solutions offering reliable, certified performance, complemented by world-class practices to strengthen our premium brand position. 

Flexible and trusted - ArmaFlex

ArmaFlex is Armacell's product heritage. Today, in its seventh product generation, our flexible, lightweight, high-tech material features an insulating closed-cell structure with low thermal conductivity and an in-built water vapour barrier. ArmaFlex is manufactured across the Armacell world and customised to local requirements and often combined with other products into hybrid solutions.