ArmaFlex® Class 0 – High-Performance ElastomericInsulation for HVAC & building systems
For HVAC engineers, consul-tants, and facility managers, insulation performance is vital for efficiency and reliability. ArmaFlex® Class 0 is a flexible, closed-cell elastomeric insulation designed for superior thermal performance, condensation control, and fire safety compliance.
Engineered for Functional Applications
ArmaFlex Class 0 is suitable for:
- HVAC ducting, air-conditioning & chilled water systems
- Refrigeration, refrigerant & condensate piping
- Hot & cold water distribution and utility lines
- Industrial process piping & district cooling/energy systems
- Mechanical services across commercial & industrial facilities
- Data centres, critical infrastructure & cleanroom (pharma/F&B) HVAC
- Healthcare, commercial spaces & insulated equipment (valves, pumps, tanks) requiring condensation control
Its closed-cell structure limits moisture ingress and ensures long-term performance.
Technical Advantages
- Fire Performance: Class 0 (BS 476), low flame spread and smoke
- Condensation Control: High vapour resistance, low water absorption (0.2%)
- Thermal Efficiency: λ ≤ 0.035 W/(m·K) at 0°C
- Temperature Range: −50°C to +105°C
- Flexibility: Easy installation over complex geometries
- Environmental Resistance: Zero ODP/ GWP; resistant to UV, oils, chemicals
Product Range

- Sheets (rolls): 6 mm to 32 mm thickness
- Tubes: 9 mm to 32 mm thickness
- Self-adhesive variants for faster installation
Performance Benefits
- Energy efficiency & reduced lifecycle cost
- No external vapour barrier needed
- Protection against CUI
Engineered to Prevent Condensation and Minimise Energy Loss
- Closed-cell structure
- Low thermal conductivity
- Global fire safety compliance
Armacell India Pvt. Ltd
Web : www.armacell.com/en-IN