Rocksilk Acoustic Products: Rocksilk Smoke and Fire Barrier

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Rocksilk Rock Mineral Wool: Rocksilk Smoke and Fire Barrier

Below you will find information on specific products within our range. To ensure that you purchase the correct products to suit your requirements we recommend that, you contact one of our qualified customer focused advisors, who will be only too pleased to help. Please call 08451 306 269 or email us for a quote or advice.

Rocksilk Smoke and Fire Barrier

Short 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.
Fire Performance
The 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.

Certification

Rocksilk Smoke & Fire Barrier has been subjected to full scale fire resistance tests to BS 476: Part 22: 1987

Handling and Storage

Rocksilk Smoke and Fire Barrier is supplied in polythene packs.

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

Installation

For more information please refer to the Knauf Insulation Binder Section, Non- Residential Suspended Ceilings (Ref: B/NR/C/1).

Product Data

Facing	Thickness (mm)	Width (mm)	Length (m)	Area per pack (m²)
Standard	50	900	4.0	3.60
Standard	50	2x300	4.0	2.40
Standard	50	2x400	4.0	3.20
Foil faced one side	50	900	4.0	3.60
Foil faced both sides	50	900	4.0	3.60

All dimensions are nominal