Knauf Thermo-teK & Fire-teK Technical Product Overview
Knauf Thermo-teK and Fire-teK ranges deliver high-performance insulation and fire-protection solutions for pipework, ducting, cavity barriers and support inserts. Leveraging ECOSE® Technology for low embodied carbon and formaldehyde-free binders, these products combine thermal efficiency, fire resistance and vapour control within robust aluminium-faced or wired-mat systems.
Knauf Thermo-teK PS Pro Alu
Pre-formed rock mineral wool pipe sections with an aluminium foil facing designed for rapid installation and maximum thermal and fire performance.
- Material: Circular-wound rock mineral wool
- Facing: Tear-resistant aluminium foil with glass-scrim reinforcement
- Section Length: 1 200 mm with longitudinal slit
- Thermal Conductivity:
- 0.033 W/m·K @ 10 °C
- 0.035 W/m·K @ 40 °C
- 0.073 W/m·K @ 250 °C
- Service Temperature: –50 °C to +250 °C (core); up to +80 °C (facing)
- Fire Rating: Euroclass A2L-s1,d0 (≤300 mm OD), A2-s1,d0 (>300 mm OD); EI 120 certified
- Density: 100–120 kg/m³
- Water Absorption: ≤1 kg/m²
- Vapour Diffusion Resistance: sd ≥ 100 mm
Knauf Thermo-teK RL Eco Alu
Flexible ductwrap roll combining a glass mineral wool core and reinforced aluminium facing for thermal, acoustic and fire protection.
- Material: Lightweight glass mineral wool
- Facing: Fibreglass-reinforced aluminium foil
- Dimensions:
- Width: 600 mm, 1 000 mm or 1 200 mm
- Length: up to 18 m (varies by thickness)
- Thickness: 25 mm, 50 mm, 75 mm, 100 mm
- Thermal Conductivity:
- 0.034 W/m·K @ 10 °C
- 0.040 W/m·K @ 50 °C
- Service Temperature: –50 °C to +150 °C (core); up to +80 °C (facing)
- Fire Rating: Euroclass A2-s1,d0
- Density: ~25 kg/m³
- Vapour Diffusion Resistance: sd ≥ 100 mm
- Green Guide Rating: A+ (mineral wool content only)
Knauf PH INS Pipe Support Inserts
Cut-to-fit rock mineral wool inserts for load-bearing pipe supports, ensuring insulation continuity and minimising thermal bridging.
- Material: High-load rock mineral wool core
- Facing: Multi-layer aluminium foil with self-adhesive radial seal
- Density: 150–200 kg/m³
- Service Temperature: –40 °C to +250 °C (core); up to +80 °C (facing)
- Fire Safety: Euroclass A2L-s1,d0 (non-certified exemption)
- Compressive Strength: ≥ 600 kPa at 10% deformation
- Applications: Chilled water, hot water, process systems, wastewater pipelines
- Compliance: BS 5970 recommendations for insulated pipe supports
Knauf Fire-teK WM 908 GGB
High-temperature resistant mineral wool wired mat with a black, glass-reinforced aluminium facing, engineered for passive fire protection of circular air ducts.
- Material: Rock mineral wool wired mat
- Facing: Black, glass-fibre reinforced aluminium foil
- Thickness Options: 80 mm or 100 mm
- Thermal Conductivity: 0.040 W/m·K @ 50 °C
- Density: ~80 kg/m³
- Fire Resistance:
- EI 60 at 80 mm thickness
- EI 90 and EI 120 at 100 mm thickness
- Reaction to Fire: Euroclass A1
- Service Application: Mounted per installation manual—no gluing or welding pins required, suitable for moulded parts and duct joints.
Knauf Fire-teK WM 910 GGN
Rock mineral wool wired mat with galvanised steel wire mesh stitching, designed as a cavity barrier for fire compartmentation in concealed spaces and service penetrations.
- Material: Rock mineral wool mattress with galvanised steel wire mesh and stitching
- Thickness: 50 mm
- Dimensions: 4 000 mm × 1 000 mm
- Density: ~100 kg/m³
- Fire Classification: Euroclass A1 (BS EN 13501-1)
- Fire Resistance:
- E30, I15 at 50 mm thickness (single-side cavity barriers and service penetrations)
- EI 60, EI 120 at dual 50 mm layers (both-side cavity barriers).
Comparative Specification Table
Key Benefits
- Formaldehyde-free binders and low embodied carbon via ECOSE® Technology
- Premium thermal efficiency, continuous vapour barrier and robust fire performance
- Rapid, mess-free installation with minimal waste and no special fixings for duct mats
- Complete system covering pipework, ducting, cavity barriers and support points
- Comprehensive technical support, datasheets and project specification texts available
For detailed datasheets, BIM/CAD resources or sample requests, please contact our technical sales team.
Visit our Complete Guide to Pipe Insulation to Learn More about the different types of product we have on offer