Main Features

Firestem HPE Graphite Sealant expands up to 20 times its size upon contact with heat.

Its been designed to be used around Metallic Pipes, Plastic Pipes up to 125mm, Cables, Cable Bunches, Cable Trays and Cable Ladders for use in flexible walls, ridged walls and floors.

Firestem HPE Graphite Sealant does away with the need for fire collars or pipe wraps. Not only does this speed up the install process but has huge cost savings associated with its use.


All surfaces to be sealed must be clean, dry and free from grease, laitence or dust.

Please refer to the installation instruction for correct annual fills.


Note: Depth of seal must not exceed 20mm width.

The formula for calculating the linear metres per cartridge is as follows:

310 ÷ gap width (mm) x gap depth (mm)



  • Fire rated for up to 2 hours
  • Good adhesion to most substrates
  • Can be overpainted
  • For pipes up to 125mm
  • For gaps up to 20mm
  • Tested to EN1366
  • CE Marked


Store in cool dry conditions. Use within 12 months.


Firestem Fire Resistant Sealant is tested by Warrington Exova to EN1366-3, EN1366-4

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