Nullifire B747N Fire Batt
£23.94 inc. tax

£19.95 ex. tax
? Tax based on United Kingdom.
Nullifire B747N Fire Batt Summary

Nullifire B747N Fire Batt

Nullifire B747N Fire Batt
Nullifire FB747-50 Coated Batt is used for multiple service penetrations. It is a lightweight 4 hour fire barrier comprising of a mineral fibre board coated with an elastomeric, ablative water based sealant. In the event of a fire, FB747 prevents the passage of fire and smoke by re-instating the compartment floor or wall when penetrated by building services. 

This system also provides thermal, acoustic and air sealing performance.    


  • Up to 4 hour fire resistance
  • Easy, fast installation
  • No coat back required
  • Excellent adhesion eliminates delaminating
  • Suitable for walls and floors
  • Can be used in large unsupported openings

Typical applications

  • Health and leisure centres
  • Schools, universities and other educational buildings
  • Hospitals
  • Industrial, power generation plants



Permissible services

  • Single and bunched cables
  • Cable trays
  • Cable ladders
  • Trunking
  • Blank openings
  • Ducting/dampers
  • Metallic pipes
  • Plastic pipes


Typical substrates

  • Masonry wall
  • Drywall
  • Masonry floor


Testing and certification


Fire performance

  • Tested in accordance with BS 476-Pt20
    Up to 4 hours fire resistance


Acoustic performance

  • Tested in accordance with EN ISO 140-3




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