Cavity Barriers

Silverliner® OSCB Horizontal Cavity Barrier

Silverliner® Open State Cavity Barrier (OSCB) is developed to protect the voids between the outer façade and the inner construction element of the building. The product is designed for use in a ventilated façade, the Silverliner® OSCB allows for 25mm or 50mm linear air gap to ensure movement of air and drain any moisture within the facade. The aluminium foil restricts fibre migration and offers a class ‘0’ rating. In the event of a fire the intumescent outer edge of the product will expand and close the ventilation gap between the product and the façade preventing the passage of fire and smoke from one compartment to another.

 

Intended areas of Use:
• Between the inner substrate and the external building envelope
• In conjunction with Paraflam® where vertical Cavity Barriers are required
• Where movement of air and moisture is required
• Systems to cover void ranges from 2mm - 550mm

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  • Downloads
  • Approvals
  • Typical Façade Types
  • Technical Characteristics
  • Brochures and Catalogues

  • Advantages

     

    • 3rd Party approved - IFCC - IFCC 1672
    • Assumed working life of 25 years
    • Non-combustible core
    • ‘Dry fit’ solution, no cure time
    • Fast installation using brackets

     

    Testing

     

    The FSi Silverliner® Open State Cavity Barrier (OSCB) range has been tested in accordance with ASFP TGD19:
    “Open State” Cavity Barrier used in External Envelope or Fabric of Buildings.
    This test method specifies a procedure for determining the fire resistance of ‘open state’ cavity barriers when
    subjected to the standard fire exposure conditions and performance criteria stipulated in EN 1363- 1 This
    method is applicable to non-loadbearing, horizontally oriented ‘open-state’ cavity barriers, which are used to
    provide fire separation within cavity voids such as those located between an external envelope and the face of
    a building. The tests have been undertaken to assess the ability of the Silverliner® OSCB systems to reinstate
    the fire resistance rigid/aerated concrete supporting construction.

  • Building Materials

     

    Concrete slabs, columns and walls

    Curtain wall assemblies

    Stone cladding, etc.

     

    Applications

     

    • Between the inner substrate and the external building envelope
    • In conjunction with Paraflam® where vertical Cavity Barriers are required
    • Where movement of air and moisture is required
    • Systems to cover void ranges from 2mm - 550mm

     

  • Total Void Size ≤ 550mm
    Air Gap ≤ 50mm
    Fire Resistance Up to 120 minutes tested in accordance with ASFP TGD 19
    Ventilation Void Closure Time ≤ 5 minutes

    Product Dimensions

    1000mm x 75mm (width is variable depending on building requirements)

    1000mm x 120mm (width is variable depending on building requirements)

    Density Mineral fibre 80kg/m³
    Brackets Steel - 1.5mm thickness, 390mm or 635mm length For product size in excess of 300mm (w) use 635mm
    Fiixngs 3 brackets per 1000mm @250mm centres (length
    390mm or 635mm)