Fire Protection
Rocksilk Smoke & Fire Barrier
Manufacturer Knauf
Description
Rocksilk Smoke and Fire Barrier is a non-combustible, flexible mattress faced on one side with galvanised wire mesh which is stitched to the mattress with wire. Rocksilk Smoke and Fire Barrier is available either unfaced or foil faced on one or both sides and is labelled with a continuous identifying strip, between the wire mesh and the mineral wool.
Application
Rocksilk Smoke and Fire Barrier is used for the compartmentation of large cavities. It can be used in the following applications:
- Large cavities beneath metal, concrete and timber decks
- Large cavities above suspended ceilings
- As a cavity barrier in timber roofs
A single layer of 50mm Rocksilk Smoke and Fire Barrier achieves half an hour fire protection in terms of both insulation and integrity.
Two layers of 50mm Rocksilk Smoke and Fire Barrier with a 50mm airspace between achieves one hour fire protection in terms of both insulation and integrity.