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Cavity Fire Stop - Cavity Seal

A cavity fire barrier for installation behind external wall systems.
A cavity fire barrier for installation behind external wall systems.

AFFRCLAD35

Our Price: £8.17
Price includes VAT

Specification

 

Cavity Fire Stop / Ventilated Fire Barrier

Fire stop material for installation behind ventilated external wall systems. Allows air circulation in normal conditions but, in the event of a fire, expands to seal the ventilated cavity and stops the passage of flames and smoke.

Features:
  • 30 to 120 minutes rating (depends on seal version and building construction materials)
  • For Horizontal or Vertical fixing.
  • Fire & Age Tested
  • Independently tested to BS standards
  • 25mm to 125mm cavity gap size solutions.
  • Tested on Timber and Masonry external wall systems.

OPTIONS

  • Sold in 1m lengths.
  • Available in three types, all using high expansion intumescent strip material.
FOIL ENCASED
  • Self-adhesive backed and finished with an aluminium foil for weather protection, rapidity of activation and char durability once activated.

1) 35mm x 4mm x1000mm encased in aluminium foil

  • Maximum cavity size; 25mm
  • Maximum free area; 83%
  • Fire ratings:
  • Minimum 30 minutes in Timber Structures
  • 120 minutes in Non-Combustible Structures

2)  75mm x 6mm x1000mm encased in aluminium foil

  • Maximum cavity size; 50mm
  • Maximum free area; 87%
  • Fire ratings:
  • Minimum 30 minutes in Timber Structures,
  • 90 minutes on cement board
  • 120 minutes in Non-Combustible Structures

POLYTHENE ENCASED

3) 50mm x 50m x1000mm encapsulated in red polythene

  • Maximum cavity size: 125mm
  • Maximum free area: 60%
  • Fire ratings:
  • Minimum 30 minutes in Timber Structures
  • Minimum 30 minutes fitted between Phenolic Insulation
  • Polythene wrapped and can be used both horizontally and vertically.
  • Fixing spikes provided.

Further information here:

Please Note: This product will NOT be dispatched until approved by our technical team. So this product may not apply for next day delivery.



   


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