Pereseal FR Fire-rated Acrylic Sealant

Pereseal FR Fire-rated Intumescent Acrylic Sealant

PERESEAL FR is a fire-rated intumescent acrylic sealant for passive fire protection in fire-rated applications.It cures to form a firm yet flexible seal to join a variety of materials and applications. When exposed to heat, PERESEAL FR chars and expands, preventing the spread of heat, smoke, and fire through a joint.

  • Acrylic emulsion
  • Fire-rated
  • Paintable

300 ml cartridges, 20 cartridges / carton

Colours available

Grey, white

More Info


  • Fire-rating of up to 4 hours tested by Bodycote Warringtonfire to BS: 476 Part 20: 1987
  • Certificate of Conformity issued by TÜV SÜD PSB to Class 1A
  • Low VOC – qualifies for LEED IEQc4.1 : Low-Emitting Materials – Adhesives and Sealants (tested by TÜV SÜD PSB)
  • Acoustic insulating properties – sound reduction up to 62 dB
  • Intumescent (chars and expands when exposed to heat)
  • Joint movement capability to 12.5%
  • For use in joints up to 25 mm wide
  • No flashpoint
  • Excellent slump resistance
  • Fast cure and tack free within an hour
  • Halogen free
  • Paintable
  • Non-staining
  • Good adhesion to most porous building materials without the use of a primer
  • Can be applied on damp (not wet) surfaces
  • Permanent colour


  • For fire-rated sealing in passive fire protection systems
  • Internal perimeter pointing of fire-rated doors, window frames, and duct systems
  • Sealing joints and voids of fire walls and other fire structures
  • Firestopping in cable and pipe penetrations


  • Application Method: Applicator gun (hand or pneumatic)
  • Application Temperature: +1 ºC to +30 ºC
  • Clean with: Water immediately after application
  • Finish with: Soapy water solution before skin formation
  • Repair with: PERESEAL FR


  • Substrate: All usual surfaces
  • State of Substrate: Clean, dry, free of grease
  • No primer required for aluminium, air-conditioner ducting materials, and most porous surfaces of building materials


  • Min width: 5mm
  • Max width: 50mm
  • Min depth: 5mm
  • Recommendation: 2 x depth = width


The sealant must be protected from water for 24 hours after application. It must not be used on areas where it will be constantly submerged in liquids.

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