Rocksilk Smoke & Fire Barrier
Product Description
Fire and Smoke Protection of Large Cavities
Description
Rocksilk Smoke and Fire Barrier is a noncombustible 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 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.Standards
Rocksilk Smoke and Fire Barrier is a noncombustible mattress made from inorganic rock wool, defined as mineral wool in BS 3533: 1981 and is manufactured to a Quality Assurance system which complies with BS EN ISO 9001:2000.Performance
Fire PerformanceThe base mineral wool of Rocksilk Smoke and Fire Barrier is non-combustible to BS 476: Part 4: 1970 (1984), Class 1 surface spread of flame to BS 476: Part 7 1997 and Class O to the Building Regulations. Fire Resistance is effective from either side of the barrier and the test included vertical and horizontal joints. A 50mm Rocksilk Smoke and Fire Barrier satisfies the criteria laid down in the Building Regulations for half hour cavity barriers.
Permanence
Rocksilk Smoke and Fire Barrier is rot proof, does not sustain vermin and will not encourage the growth of fungi, mould or bacteria. Rocksilk Smoke and Fire Barrier is odourless and non-hygroscopic.
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
- Penetrating pipes, ducts and steelwork
- Cavity barrier for timber roofs
Handling & Storage
Rocksilk Smoke and Fire Barrier is supplied in polythene packs.Certification
Rocksilk Smoke & Fire Barrier has been subjected to full scale fire resistance tests to BS 476: Part 22: 1987Technical Information
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