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Knauf Fire Protection Products: Rocksilk Smoke and Fire Barrier

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Knauf Fire Protection Materials: 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
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
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 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).
Certification
Rocksilk Smoke & Fire Barrier has been subjected to full scale fire resistance tests to BS 476: Part 22: 1987
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
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