Armacell Pipe Insulation
Armacell Pipe Insulation — Complete Range
Armacell is the world's leading manufacturer of flexible elastomeric insulation, with over 60 years of engineering expertise. Their products are specified by building services engineers, HVAC contractors and plumbers across the UK and globally. At Pipelagging we stock the complete Armacell range — from standard Armaflex Class O pipe insulation through to specialist grades for solar thermal, refrigeration, rail and industrial applications.
Browse by Product Range
- Armaflex Pipe Insulation — Class O rated, the industry standard for HVAC and plumbing
- Armaflex EVO — next-generation formula with improved environmental credentials
- Armaflex HT Solar — high-temperature grade for solar thermal systems up to 150°C
- Armaflex Ultima — premium grade with enhanced fire performance
- Armaflex Rail — specified for rail and transport applications
- NH Armaflex Smart — ammonia-resistant grade for industrial refrigeration
- Armaflex Sheet Insulation — flexible sheet for valves, fittings and irregular surfaces
- Armaflex Self Seal — factory adhesive seam for faster installation
Browse by Application
- Condensation Control — closed-cell insulation for chilled water and refrigeration pipework
- Refrigeration Pipe Insulation — for AC, chilled water and cold room pipework
- Outdoor Pipe Insulation — for exposed external pipework
Browse by Pipe Size
- 15mm Pipe Insulation
- 22mm Pipe Insulation
- 28mm Pipe Insulation
- 35mm Pipe Insulation
- 42mm Pipe Insulation
- 54mm Pipe Insulation
Armacell Accessories
- Armaflex Adhesive — Armaflex 520 and specialist adhesives for sealing joints
- Armaflex Tape — self-adhesive sealing tape for joints, repairs and edges
About Armacell
Founded in 1954, Armacell pioneered flexible foam insulation and today operates manufacturing facilities across Europe, the Americas and Asia. Their Armaflex range is the benchmark specification for elastomeric pipe insulation worldwide, trusted for its combination of thermal performance, condensation control, fire safety and installation flexibility.
Key reasons engineers specify Armacell products:
- Class O fire rating — the highest surface spread of flame classification under BS 476
- Closed-cell structure — prevents condensation on cold pipework
- Wide temperature range — from -200°C to +150°C depending on grade
- Global approvals — meets UK, European and international standards
- Sustainability — Armaflex EVO offers improved environmental credentials
Frequently Asked Questions
What is the difference between Armaflex and Tubolit?
Both are Armacell elastomeric pipe insulation products. Armaflex is the premium grade with Class O fire rating, specified for commercial HVAC and refrigeration. Tubolit is a more economical grade suited to domestic plumbing and heating. Read our full comparison guide.
Is Armacell the same as Armaflex?
Armacell is the manufacturer. Armaflex is their flagship brand of flexible elastomeric pipe insulation. Armacell also makes Tubolit, ArmaGel and other insulation products.
Where can I find the Armaflex thickness guide?
Read our Armaflex pipe insulation thickness guide for full wall thickness selection advice including Part L and BS 5422 compliance.
Do you stock the full Armacell range?
Yes. Pipelagging stocks the complete Armacell range including all standard Armaflex grades, pipe sizes from 15mm to 114mm and beyond, sheet insulation, and Armacell adhesives and accessories.