IFS19.08 FireMate Sealant

Fire Mate Sealant is an intumescent acrylic sealant that swells when exposed to temperatures in excess of 125°C to prevent the passage of fire and smoke and has a fire rating of up to 5 hours in certain joint configurations. Fire rated to EN1366-4 (2006). Acoustic rates to BS EN ISO 140/3. Tested for air permeability to EN13141-1.

FireMate Sealant
FireMate Sealant table

Product Description

EVERFLEX FIRE MATE is a five hour rated, one part, emulsion acrylic based, intumescent Acoustic sealant that gives a firm yet flexible seal to joints in a variety of fire rated structures. Tested following the principles of BS EN 1366-4:2006 as detailed in Warrington Fire Research Report No. 181967 (May 2009).  Acoustic rated to BS EN ISO 140/3. Tested for air permeability to EN13141-1. The product, in suitably designed joints will resist the passage of fire for up to 5 hours. The selected fillers used in this formulation also make it suitable for use as an acoustic sealant.




  • When exposed to heat, it swells greater than 3 x its original   size, so creating a char that will resist  the passage of  fire for up to 5  hours.
  • No priming required for most construction substrates
  • Permanently flexible with more than 100% elongation to ISO8339
  • For use in joints up to 50mm wide.
  • Excellent acoustic properties for sound deadening - Average noise reduction of 35.9db (100-3150Hz)
  • Non slump - easy to apply and tool off.
  • Fast cure - tack free in 15 minutes.
  • Overpaintable.
  • Certified under the harmonized European standard EN15651 for façade for interior applications in compliance with the Construction Product Regulation




Areas For Use

  • Sealing joints, voids and irregular holes in fire walls, partitions and other structures; also for maintaining  the integrity  of pipes and cables that penetrate them.
  • For internal perimeter pointing of fire rated door and window frames.




  • Not for use on substrates that may bleed oils, solvents or plasticisers.
  • Not for use where joints are constantly immersed in water, or as part of structural glazing systems.