B1 Fire Mortar Gypsum

B1 Fire Mortar Gypsum is a dry white powder consisting of inorganic compounds and perlite. When mixed with water the compounds form a highly thermally insulating fire seal to prevent the spread of fire and smoke through openings in fire rated walls and floors, including openings formed to accommodate building service penetrations.


  • Fire resistant class EI 240
  • European Technical Assessment
  • Fully set within one hour
  • High mechanical resistance


  • Copper, steel, plastic and composite pipes
  • Cable connectors and routes

Technical Parameters

Dry density: 900 kg/m3 when fully cured
Sound insulation: 64 dB
Hardened: < 1 h
Totally hardened: up to 30 days
Product name Packaging Content Pieces per pallet
B1 Fire Mortar Gypsum Bag 20l 63

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