Cavity Barriers

Paraflam SEB

Paraflam® C/UF/SE Cavity Barrier

Paraflam SEB Cavity Barrier comprises a one piece closed dimension product having a structural internal stone wool core. The product has integrated aluminium foil facings to provide class ‘O’ rating and excellent resistance to
smoke. The unique method of manufacture provides a resilient lateral compression required to ensure a tight fit. Designed to be used in Ceiling Cavity, Slab Edge or Under Floor installations and upgrades.

The Advantages of Paraflam® C/UF/SE Cavity Barrier

  • Fire resistant testing to EN 1366-4
  • CE Marked
  • Fire classification to EN 13501-2
  • Fire classification to EN 13501-1
  • Certifire 3rd Party Accreditation CF5126
  • Air permeability testing to EN 10140 to 34 dB
  • Tested in Masonry and wooded joist floor and wall configurations
  • Encased Fibre Migration for air plenum use
  • Odourless and easy to cut
  • Voids up to 400mm
  • Light weight

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Silverliner Non-Ventilated Rainscreen Barrier

Silverliner® Rainscreen - Non-Ventilated 

Silverliner® Cavity Barrier RCB - Non-Ventilated; comprises of an aluminium foil faced structural stone wool section with an elastomeric flexible intumescent strip bonded to the edge that will accommodate movement. The whole system is then encased to prevent moisture ingress. In the event of direct exposure to fire, when subjected to heat, the intumescent strip rapidly expands.

The Advantages of Silverliner® rcb

  • Fire resistance testing to BS 476 - 60 & 120mins
  • Air permeability testing to EN 1026 to 600Pa
  • Voids up to 350mm wide
  • Dynamic movement testing 500 cycles per 30 minutes
  • Available in pre-cut sections for ease of application with minimum waste to suit void size
  • Encased fibre migration for air plenum use.
  • Odourless and easy to cut
  • Light Weight
  • This non-ventilated version allows for movement of the barrier by incorporating a flexible seal.

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Silverliner Ventilated Rainscreen

Silverliner® Open State Cavity Barrier RCB - Ventilated

Silverliner®Cavity Barrier RCB - Ventilated; comprises of an aluminium foil faced structural stone wool section with an integral intumescent strip bonded to cover the exposed face. The Intumescent is wrapped to ensure there is no moisture ingress. In the event of direct exposure to fire, when subjected to heat, the intumescent strip rapidly expands and fills the air gap left within the void.

The Advantages of Silverliner® RCB

  • Fire resistance testing to BS 476 - 60 & 120mins
  • Voids up to 350mm wide
  • Suitable to close up 25mm ventilation gap (50mm gap is available)
  • Available in pre-cut sections for ease of application with minimum waste to suit void size
  • Encased fibre migration for air plenum use.
  • Odourless and easy to cut
  • Light Weight
  • This ventilated version allows for movement of air and moisture

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Open State
Documents There is currently no instruction manual for this product Download Silverliner Ventilated Rainscreen Instruction ManualProduct Data SheetPDF Download Download Silverliner Ventilated Rainscreen Instructoin ManualSafety Data SheetPDF Download