Product Comparison Guide
K-FLEX Product Comparison Guide
Compare all K-FLEX pipe insulation product families to find the perfect solution for your application. Each product is designed for specific requirements - use this guide to make an informed choice.
Quick Comparison Table
| Product | Material | Temperature Range | Fire Rating | Best For | Shop |
|---|---|---|---|---|---|
|
K-FLEX ST Elastomeric |
Nitrile Rubber (Elastomeric) | -165°C to +110°C | BL-s2,d0 | HVAC, refrigeration, custom installations | View Range → |
|
K-FLEX PE Polyethylene |
Polyethylene Foam | -40°C to +105°C | DL-s1,d0 | Domestic heating, plumbing, standard applications | View Range → |
|
K-FLEX PE PLUS Enhanced PE |
Enhanced Polyethylene Foam | -40°C to +105°C | BL-s1,d0 | Commercial HVAC, enhanced fire safety requirements | View Range → |
|
K-FLEX PE COLOR Colour-Coded |
Colour-Coded Polyethylene | -40°C to +105°C | DL-s1,d0 | Pipe identification, heating/cooling systems (Red/Blue) | View Range → |
|
K-FLEX SOLAR HT UV-Protected |
UV-Protected EPDM | -40°C to +150°C | BL-s2,d0 | Solar thermal, outdoor installations, high temperature | View Range → |
|
K-FLEX K-Rock Foiled Mineral Wool |
Mineral Wool + Aluminium Foil | Up to +250°C | A1 Non-Combustible | Industrial, fire-rated, high-temperature applications | View Range → |
Detailed Product Information
🔹 K-FLEX ST Elastomeric Insulation
Material: Premium nitrile rubber (NBR/PVC blend)
Key Features:
- Excellent low-temperature performance down to -165°C
- Superior moisture resistance with built-in vapour barrier
- Available in unslit tube (ST) and self-seal (ST/SK) formats
- Ideal for refrigeration, air conditioning, and HVAC systems
- Thermal conductivity: λ40 = 0.036 W/mK
Applications: Chilled water systems, refrigerant lines, air conditioning ducts, industrial refrigeration
🔹 K-FLEX PE Polyethylene Insulation
Material: Closed-cell polyethylene foam
Key Features:
- Lightweight and easy to install
- Cost-effective solution for domestic applications
- Good thermal performance and moisture resistance
- Available in 2-metre tubes
- Thermal conductivity: λ40 = 0.036 W/mK
Applications: Domestic central heating, hot & cold water pipes, underfloor heating, plumbing systems
🔹 K-FLEX PE PLUS Enhanced Polyethylene
Material: Enhanced closed-cell polyethylene foam
Key Features:
- Enhanced fire rating: BL-s1,d0 (better than standard PE)
- Improved thermal performance: λ40 = 0.034 W/mK
- Suitable for commercial and public buildings
- Meets stricter fire safety regulations
- Same easy installation as standard PE
Applications: Commercial HVAC, hospitals, schools, public buildings, offices, hotels
🔹 K-FLEX PE COLOR Colour-Coded Insulation
Material: Colour-coded polyethylene foam (Red & Blue)
Key Features:
- Instant visual pipe identification
- Red for heating systems, Blue for cooling systems
- Same performance as standard K-FLEX PE
- Reduces installation errors and simplifies maintenance
- Ideal for complex multi-pipe installations
Applications: Commercial buildings with multiple systems, district heating/cooling, industrial facilities, plant rooms
🔹 K-FLEX SOLAR HT UV-Protected EPDM
Material: UV-protected EPDM elastomeric rubber
Key Features:
- UV-resistant for outdoor installations
- High-temperature rated up to +150°C
- Excellent weather resistance
- Suitable for solar thermal systems
- Available in tubes and coils
Applications: Solar thermal collectors, outdoor pipework, roof installations, high-temperature hot water systems
🔹 K-FLEX K-Rock Foiled Mineral Wool
Material: Stone wool (mineral wool) with aluminium foil facing
Key Features:
- A1 Non-Combustible - highest fire rating
- High-temperature rated up to +250°C
- Superior acoustic insulation properties
- Aluminium foil vapour barrier
- Ideal for fire-rated applications
Applications: Industrial high-temperature pipework, district heating, fire-rated compartmentation, steam lines, thermal oil systems
Shop by Bore Size
Already know your pipe diameter? Browse our complete range by bore size:
15mm | 18mm | 22mm | 28mm | 35mm | 42mm | 48mm | 54mm | 60mm | 64mm | 76mm | 89mm | 108mm | 114mm
Need More Information?
📚 View Technical Resources & Downloads - Installation guides, datasheets, and certification documents
💬 Contact Our Team - Need help choosing the right product? Our technical experts are here to help.