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Fire Rated Sealants

Pasco Firecryl

Pasco Firecryl is an acrylic fire rated and acoustically rated sealant that provides up to 4 hours fire rating in construction joints and service penetrations, whilst creating an acoustically sealed joint. Exhibiting outstanding adhesion and flexibility, Firecryl is suitable for interior/exterior* use where movement is expected to be up to ±15%.

Features & Benefits:

  • Fire rated up to 4 hours
  • Flexible ±20%
  • Acoustically rated
  • Non-toxic
  • Interior/Exterior*
  • Low odour
  • Superior adhesion
  • Easy to apply
  • Paintable
  • Water clean-up

*Exterior application of Firecryl must be protected from the elements.


  • Sealing construction and expansion joints
  • Sealing joints in pre-cast panels
  • Sealing joints and penetrations in acoustic partitions and walls
  • Hollow concrete block walls
  • Concrete floors and walls
  • Pipe penetrations
  • Perimeter sealing of door and window frames
  • Fire rating of cable tray penetrations
  • Used as a putty for filing holes in fire rated substrates
  • Applications requiring acoustic properties or STC rating**
**STC rating will depend on joint configuration and overall design concept.