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  Home > Fire Stop Products > Cladding Seals > Cavity Seals - Custom Sizes

Custom Size Cavity Seals.

Please click the contact links below to ask about custom width fire rated cavity seals and we will provide advice and a price quote:

>> email:
>> tel: 01329 841 416

Astro Clad PLUS

Astro Clad Plus offers an effective fire barrier for cavities over 50mm. The product has been successfully fire tested for up to 90 minutes fitted directly onto cement board. The product not only offers a superior fire rating but also allows a continuous ventilation space of up to 44mm. This provides excellent ventilation behind the external wall system, whilst leaving enough free space for the installer to easily install the facade panels after the ventilated fire barrier seal.

ventilated fire barrier

ventilated fire barrier with insulation


  • Finish:Custom cavity fire barrier width Encapsulated in red polythene
  • Size: Customer specifies the required size based on formula below 75mm x 1000mm x Total Cavity Width minus 44mm​​​​​
  • Maximum Air Gap: 44mm

Certification/Fire Test Reports:

  • Fire ratings:
  • 90 minutes fixed to cement board
​​​​​​​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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