Fire-teK WM 908 GGB is a high-temperature resistant mineral wool wired mat covered with a black re-inforced aluminium facing that has been especially designed for fire protection in round ventilation ducts. Listed fire classes can be reached with mounting acc. to the installation manual. 

Knauf Insulation Fire-teK® WM 908 GGB is produced with ECOSE®Technology, a patented binder system, based entirely on renewable raw materials.

The product is recommended for the passive fire protection of circular air ducts.

Building materials and building elements or components Building materials, such as Mineral Wool wired mats, are classified according to their fire behaviour. The classification of fire behaviour of building materials is regulated by EN 13501-1.

Knauf Insulation Fire-teK® System Mineral Wool wired mats have an A1 classification, which means that they are non-combustible and, in the event of a fire, they do not cause impaired visibility through the development of smoke.

Benefits

• Fire resistance class EI 60/EI 90/ EI120
• Quick and easy to use
• No gluing at the joints necessary
• No welding pins required
• Compact 80 or 100 mm
• No doubling layers at duct joints
• Suitable for moulded parts
• Excellent thermal and acoustic insulation
• Eurofins Certification Indoor Air Comfort Standard
• Strong outer packaging
• Sustainable product labelling
• Elastic, strong and flexible
• Hydrophobic
• High temperature resistant
• Non combustible
• Age resistant
• ECOSE® Technology

Performance

Reaction to fire: A1

Density: ca. 80 kg/m3

Declaration of performance: ttp://dopki.com/T4305EP

Fire resistance: EI60 at 80 mm thickness/EI90 and EI120 at 100 mm thickness

Thermal conductivity (50°C): 0,040 W/(mK)