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




  • 300 ml cartridges, 20 per carton

Colours available


More Info


  • Fire-rating of up to 4 hours tested by Bodycote Warringtonfire to BS: 476: Part 20: 1987 (download test report below)
  • Certificate of Conformity issued by TÜV SÜD PSB to Class 1A (download certificate below)
  • 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 (non-combustible)
  • 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