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Colour: White
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£74.10 £88.92 inc VAT
£61.38 inc VAT

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Everflex Pyro Mate Silicone Firesil is a neutral cure elastic silicone sealant and has a fire rating of up to 4 hours in certain joint configurations.

It is also Acoustic rated to BS EN ISO 140/3. tested for air permeability to EN13141-1 Ventilation for buildings. Performance testing for components/products for residential ventilation.

  • Neutral cure – adheres to most building surfaces, porous and non porous
  • Permanently flexible
  • Excellent weathering characteristics – suitable for internal and external use
  • Can be used in joints up to 50mm wide and 25mm deep
  • No priming required for most construction substrates
  • Non slump - easy to apply and tool off
  • Long tooling time - 20-30 minutes.


  • Fire rated to EN1366 Part 4
  • CE Marked as a Fire Stopping and Fire Sealing Product under ETAG 026 Part 3 (Linear joint and gap seals) under European Technical Assessment 13/1059
  • Acoustic rated to BS EN ISO 140/3. Tested for air permeability to EN13141-1 Ventilation for buildings
  • Performance testing of components/products for residential ventilation
  • EN15651-1:2012 Class F25LM CC
    Everflex Pyro Mate Silicone is in stock for immediate dispatch.
      • All building joints which require a fire rating.
      • Sealing joints, voids and irregular holes in fire walls, partitions and other structures.
      • Fire rated expansion joints

      Everbuild are passionate about the products they produce, they have always worked on the simple premise that Trade Users will only come back for good products, so that’s all they make!

       This simple philosophy combined with a commitment to invest in new product development and manufacturing infrastructure has seen Everbuild - A Sika Company grow into the UK’s leading sealant, adhesive and building chemical brand with sales in excess of £110 million and customers in over 70 countries. 

      Everbuild - A Sika Company are owned by Sika AG, a globally active speciality chemicals company offering a comprehensive range of products, including waterproofing systems, sealing, bonding and speciality mortars etc, across many construction and associated sectors.

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