Nullifire FB747-50 Coated Batt

Nullifire FB747-50 Coated Batt


FB747-50 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, FB747-50 prevents the passage of fire and smoke by reinstating the compartment floor or wall when penetrated by building services. This system also provides thermal, acoustic and air sealing performance.

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What the experts have to say

Fire Resistance
FB747-50 Suitability
FB747-50 is suitable for the following service penetrations; metallic and plastic pipes, cable trays, cable ladders, trunking, single and bunched cables, dampers and duct work. Typical areas of use include health and leisure facilities, schools, universities, commercial, retail and industrial buildings.
  • Certified to BS 476 Pt 20/22

  • Quick and easy to install - no special tools required

  • Suitable for use in floor and wall penetrations

  • Ideal for sealing large, unsupported openings

  • Provides an effective barrier to the spread of smoke and fire for up to 4 hours

EN 13501-2, CE ETAG - 026
Fire Protection:
Up to 4 hours
Assumed working life:
10 years
Store between +5°C and +35°C in dry conditions.
Shelf Life:
Unlimited when stored as recommended.
Available Sizes:
140 kg/m3 - 1200 mm x 600 mm x 50 mm
Supplied individually
Wall Single:
2.88 m /1.44 m
Wall Double:
2.40 m /1.20 m
Full Information:
Check out the full datasheet available in the Downloads section!

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