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£21.36 inc. VAT
£17.80 ex. VAT


Nullifire FB750 Intubatt

Nullifire FB750 Intubatt

FB750 Intubatt is a lightweight up to 4 hour fire barrier comprising of a rock mineral fibre board with an elastomeric, ablative water based sealant.

To reinstate service penetration openings within compartment walls and floors, stopping the potential path for fire and providing a thermal, fire, smoke and acoustic seal. 

When used in conjunction with FS702 intumastic acrylic sealant, the FB750 board is suitable for sealing around the following service types: non-combustible pipes, cable trays, ladders and baskets (perforated or non-perforated), armoured cables, data cables, HV cable, cable bundles up to 100 mm, dampers and ductwork. 


  • Certifire listed
  • Tested to EN 1366-3 (up to 2.16m2 opening)
  • Tested to BS476 Part 20/22 (up to 7.2m2 opening with framework)
  • Optifire unique traceability identifier
  • Acoustic & smoke sealing
  • Smoke sealing
  • Air pressure tested up to 2000 Pa
  • Suitable for use in flexible & rigid walls, rigid floors and under timber floors.
  • Light weight
  • Easy to cut

Typical areas of use include

  • Health and leisure facilities
  • Schools, universities and commercial buildings
  • Hospitals
  • retail and Industrial 

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
Data Sheets
FB750 Intubatt Data Sheet
FB750 Intubatt Safety Data Sheet
DoP Data Sheet

Extra Information