PROMASTOP®-S and PROMASTOP®-L is a fire stopping graphitebased pillow, which enables quick and easy, dust-free installation. Pillows that have previously been installed can be reused provided they have not been subjected to fire.

Further Information


Cables, cable trays and small plastic pipes


  • Temporary penetration during construction and easy retrofitting
  • Permanent penetration at base of walls (smoke)
  • Dust-proof, suitable for computer and server centres

Reaction to fire: E
Approx. Expansion Ratio (550 °C): 1:2.5
Approx. Expansion Temperature (°C): 150 °C
Use Category: X, Y1, Y2, Z1, Z2
Colour: Grey
Storage Conditions: Store in dry conditions.
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