Fire-Resistant Board | FB750

Brand: Nullifire

FB750 is a lightweight 4-hour fire barrier consisting of a mineral fiber board coated with an elastomeric, ablative water-based sealant.


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In the event of a fire, FB750 restores the floor or wall where service penetrations are made, preventing the passage of fire and smoke. This system also provides thermal, acoustic, and airtightness performance.
FB750 is suitable for the following service penetrations: metallic and plastic pipes, cable trays, cable ladders, cable trunking systems, single and bundled cables, dampers, and ductwork.
Typical areas of use include healthcare and leisure facilities, schools, universities, commercial retail, and industrial buildings.

• Creates an effective barrier for up to 4 hours to prevent the spread of smoke and fire.
• Quick and easy to install - requires no special tools.
• Ideal for large, unsupported openings.
• Suitable for use in floor and wall penetrations.

Approved for compliance with BS 476 Pt 20/22 standards.