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Class O Pipe Insulation
Protect pipes and improve energy efficiency with Class O pipe insulation from Armaflex. Fire-resistant, durable, and easy to fit, it’s ideal for heating, water, and commercial systems.
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Armaflex - 15mm (Various Thickness)Starting at £4.97 £4.14
Flexible insulation products that reliably protects against water vapour ingress due to its closed-cell structure.
No additional water vapour retarder is required, for most applications.
ArmaFlex is manufactured using nitrile rubber and polyvinyl chloride (NBR/PVC) formulations for insulation thickness up to and including one-inch wall thickness.
ArmaFlex pipe insulation is available in 9, 13, 19 and 25mm wall thicknesses and are manufactured using Ethylene Propylene Diene Monomer (EPDM) formulations.
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Armaflex - 22mm (Various Thickness)Starting at £6.17 £5.14
Flexible insulation products that reliably protects against water vapour ingress due to its closed-cell structure.
No additional water vapour retarder is required, for most applications.
ArmaFlex is manufactured using nitrile rubber and polyvinyl chloride (NBR/PVC) formulations for insulation thickness up to and including one-inch wall thickness.
ArmaFlex pipe insulation is available in 9, 13, 19 and 25mm wall thicknesses and are manufactured using Ethylene Propylene Diene Monomer (EPDM) formulations.
Learn More
Armaflex - 28mm (Various Thickness)Starting at £6.60 £5.50
Flexible insulation products that reliably protects against water vapour ingress due to its closed-cell structure.
No additional water vapour retarder is required, for most applications.
ArmaFlex is manufactured using nitrile rubber and polyvinyl chloride (NBR/PVC) formulations for insulation thickness up to and including one-inch wall thickness.
ArmaFlex pipe insulation is available in 9, 13, 19 and 25mm wall thicknesses and are manufactured using Ethylene Propylene Diene Monomer (EPDM) formulations.
Learn More
Armaflex - 35mm (Various Thickness)Starting at £9.92 £8.27
Flexible insulation products that reliably protects against water vapour ingress due to its closed-cell structure.
No additional water vapour retarder is required, for most applications.
ArmaFlex is manufactured using nitrile rubber and polyvinyl chloride (NBR/PVC) formulations for insulation thickness up to and including one-inch wall thickness.
ArmaFlex pipe insulation is available in 9, 13, 19 and 25mm wall thicknesses and are manufactured using Ethylene Propylene Diene Monomer (EPDM) formulations.
Learn More
Armaflex - 42mm (Various Thickness)Starting at £11.95 £9.96
Flexible insulation products that reliably protects against water vapour ingress due to its closed-cell structure.
No additional water vapour retarder is required, for most applications.
ArmaFlex is manufactured using nitrile rubber and polyvinyl chloride (NBR/PVC) formulations for insulation thickness up to and including one-inch wall thickness.
ArmaFlex pipe insulation is available in 9, 13, 19 and 25mm wall thicknesses and are manufactured using Ethylene Propylene Diene Monomer (EPDM) formulations.
Learn More
Free Express Delivery
On orders over £100 Excl VAT. Most deliveries will be within 1-2 working days from the order being placed.