Product Description


FireMastic-HPE is a new High Pressure Exerting fire sealant to surpass all other sealants. Our flagship sealant is tested and approved to change the way firestopping is applied to pipes and penetrations.

FireMastic-HPE is approved to AS1530.4 and EN1366 and offers an FRL of up to -/120/120 in a wide range of penetration systems, outperforming other leading sealants in independent fire tests.

Key Benefits of FireMastic-HPE are:

  • Closes plastic pipes in a fire up to 80mm diameter
  • Replaces fire collars on pipes of cPVC, & uPVC
  • Closes and seals PEX water pipes, PEX-AL Gas Pipes
  • Seals around lafgged copper pipes
  • Seals around power and data cables and large cable bundles
  • Paircoil bundles including Paircoil, uPVC drain pipe, comms and power cables and other HVAC clusters
  • Large cable bundles through trapezoidal floor slabs with BOSS Batt.

FireMastic-HPE can be used instead of traditional pipe collars on a range of plastic pipes, saving you material and labour. It offers versatile, simple and low cost solutions for firestopping a wide range of penetration systems.

FireMastic-HPE is also chemically compatible to use with FlowGuard ® pipe & fittings, BlazeMaster® fire spinkler pipes, Corzan® industrial and plumbing systems, and products made with TempRite® Technology. It is a Lubrizol System Compatible product.

Call our Tech Services team on 1300 50 BOSS to find out more about how FireMastic-HPE can lower your costs and improve your risk.


Datasheet     Safety Data Sheet     VOC

Product Details

Part ID :

  • FMHPE-3
  • FMHPE-6

Size :

  • 310ml cartridge
  • 600ml foil sausage

Colour : Grey