The Nullifire FS704 is an advanced, flexible hybrid sealant designed to reinstate the fire integrity of compartment walls and floors by effectively sealing linear gaps. It acts as a comprehensive barrier, providing up to 120 minutes of fire resistance while simultaneously functioning as a reliable smoke, acoustic, and air pressure seal.
- Accommodate building movement: Independently tested to ISO 11600 for 25% movement capability, ensuring the seal will not crack or fail as substrates shift over time.
- Streamline on-site compliance: Hits multiple regulatory targets with a single cartridge, including 120-minute fire ratings, 66dB acoustic reduction, and 600 Pa air pressure testing.
- Work safer and cleaner: The hybrid formulation is completely free from isocyanates, silicones, and phthalates, reducing site hazards and eliminating paint contamination issues.
- Versatile application across substrates: Fully tested for use on flexible walls, rigid walls, and floors across timber, concrete, steel, and drywall combinations.
Nullifire FS704 is rigorously tested to EN 1366-4:2021 for linear joint fire sealing, ensuring dependable performance when audited on-site. It holds an ETA 23/0536 classification and meets EN 15651-1:2012 for interior and exterior facade applications, even in cold climates. This level of certification provides contractors with the documented proof needed for swift, hassle-free sign-offs.
Specifications:
- Fire Rating: Up to 120 minutes (EN 1366-4:2021)
- Acoustic Rating: Up to 66 dB (EN ISO 10140:2-2010)
- Movement Capability: 25% (ISO 11600 / 25LM)
- Air Permeability: Up to 600 Pa (EN ISO 1023:2)
- Composition: Hybrid Sealant (Isocyanate, silicone, and phthalate-free)
- Application Temperature: +5°C to +40°C
- Colour: White
- Size: 310ml cartridge
Ensure required backing materials are installed to the correct depth prior to sealant application.
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