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%.


  • Fire rated up to 4 hours
  • Flexible ±15%
  • Acoustically rated
  • Non-toxic
  • Interior/Exterior**
  • Low odour
  • Superior adhesion
  • Easy to apply
  • Paintable
  • Water clean-up


  • 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.
**Exterior applications of Firecryl must be protected from the elements.