Knauf Fire-teK BD 917
Knauf Fire-teK BD 917 (formerly Rocksilk PyroDuct) is a Rock Mineral Wool slab faced with a bright Class '0' reinforced aluminium foil, which is fully tested and certified to provide up to 2 hours fire protection to HVAC steel ductwork. It can be used in horizontal ducts, vertical ducts, ducts passing through compartment walls and floors and kitchen extracts. The product is suitable for applications above clean rooms, within air plenums or for aesthetic purposes.
- Combines lightness, strength and ease of use
- Aluminium foil facing acts as a vapour control layer
- Corrosion free
- No deterioration of performance over time
- Resilient, strong and flexible