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Bostik Fireseal Fire Resistant Silicone Sealant White C20
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Bostik Fireseal Fire Resistant Silicone Sealant White C20

SKU: BW-22766 MFC: 30811567

Product Description

Seal up all gaps and ensure that no smoke gets through with the Evo-Stik Fireseal Fire Resistant Silicone Sealant White C20. This product is able to adhere to a number of substrates including masonry, making it suitable for most applications in the home. It is able to be used both in non-movement and movement joints, making it ideal for use in partitions, butt joints in a screen and even structural walls. The sealant makes an excellent effective seal on metal cables and pipes, especially where movement might be a factor, such as in the case of pipework.

  • Manufacturing code of this product is 30811567
  • White in colour
  • Bostik Fireseal Silicone Sealant provides excellent adhesion to a wide range of substrates including masonry, will not slump in joints up to 25mm wide
  • Suitable for internal and external use
  • Can be used in both movement and non-movement joints, i.e. for open butt joints in screens, partitions and structural walls
  • Shown to be effective as a service penetration seal for both metal pipes and cables, particularly where movement is a factor, i.e. hot/cold water pipework.

+ Delivery & Returns
  • Smart Advantages:
  • Mid modulus silicone sealant with excellent fire resistance
  • Achieves up to 4 hours fire resistance in suitable structures
  • Interior and exterior
  • Excellent adhesion to wide variety of substrates.


  • Colours
  • White
  • Form
  • Gunnable paste
  • Specific Gravity
  • 1.4 approx
  • Composition
  • Blend of siloxane polymers, reinforcing fillers and fire retardant chemicals
  • Application Temperature
  • +5°C to +40°C
  • Service Temperature
  • -40°C to +120°C
  • Coverage
  • Approx. 10 linear metres of 6mm diameter bead per C20 cartridge
  • Adhesion
  • Excellent to most clean, dry surfaces
  • Joint Dimensions
  • 4mm to 25mm
  • Joint Movement Accommodation
  • ±25%
  • Service Life
  • Up to 25 years

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