Pipework Flexible Insulation: AF/Armaflex Class O


AF/Armaflex Class O is the leading brand of closed cell flexible insulation for condensation control and energy saving on building services and process pipe and duct work systems.

The comprehensive range of products includes tubes, self-adhesive tubes, air conditioning coils, sheet, self-adhesive sheet and tapes. The closed cell structure of the material provides an integral water vapour barrier against water vapour diffusion (µ value of ≥ 10,000) and protects against condensation and corrosion problems on refrigeration, air conditioning and chilled water pipe lines. AF/Armaflex Class O also has added Microban® antimicrobial protection built-in to prevent mould and bacteria growth and help improve indoor air quality, a key concern in public, commercial and health care buildings.

The low thermal conductivity value of 0.033 W(m • K) gives excellent energy saving performance which serves to prolong the efficiency and lifespan of process and HVAC-R equipment. AF/Armaflex Class O comes with ODP and GWP ratings of 0, FM Approval and is certified to Class 0 Part 6 & 7 and Bs3, d0 fire ratings.

Specially formulated adhesives, UV resistant paint and accessories complement the range to ensure a fully compatible thermal and acoustic insulation system installations.


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Armacell UK is the world's leading manufacturer of flexible elastomeric foams and technical thermal and acoustic insulation materials for pipe work, valves, vessels and fittings. Based in Oldham, Armacell UK manufacture the renowned AF/Armaflex...
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T(0161) 287 7000
F(0161) 633 2685
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 Mars St, Oldham, Lancs, OL9 6LY

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