Use Everflex Fire-fill Fire Rated & Acoustic Joint Sealant for: Sealing gaps around cables, pipes, conduits, and ducts to maintain fire integrity and reduce sound transmission.
Everflex Fire-fill Fire Rated & Acoustic Joint Sealant is a single-component, waterborne acrylic co-polymer sealant designed specifically for Australian construction conditions. Engineered for both fire resistance and soundproofing, Fire-fill is ideal for sealing penetrations around cables, conduits, metal pipes, and ducts in walls, floors, and ceilings. With intumescent properties, excellent flexibility, and easy tooling, it provides a smooth, paintable finish. Fire-fill is suitable for interior and exterior applications, offering up to 4 hours of fire resistance depending on joint configuration. Its low odour, non-toxic formula ensures safe use in sensitive environments.
Key Features of Everflex Fire-fill Fire Rated & Acoustic Joint Sealant
- Up to 4 hours fire resistance for joints up to 50mm wide
- Acoustic-rated for noise reduction in compliant systems
- Flexible joint movement capability of ±25%
- Non-toxic, low odour, and asbestos-free for safe handling
- No mixing required, water clean-up, and easy application
- Adheres to damp surfaces without primer
Technical Overview
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Chemical Properties: Acrylic Urethane Paste with Intumescent Expansion
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Application Temperature Range: +5°C to +35°C (41°F to 95°F)
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Service Temperature: -20°C to +90°C (-4°F to 194°F)
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Elongation at Break: 290% to 340%
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Shore A Hardness: 30 ± 5
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VOC Content: 31 g/L (Low VOC per Californian Rule 1168)
Trade Professional Information
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Required Tools: Caulking gun, Adhefoam backer rod, bond breaker tape, tooling spatula
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Trade-Specific Tips: Apply to clean or slightly damp surfaces, tool to a smooth finish before skin formation, avoid rain exposure for 24 hours
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Common Issues and Solutions: For shrinkage, ensure groove is completely filled; avoid applying to wet or ponded areas
Storage and Shelf Life
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Storage Requirements: Store in cool, dry conditions between 5°C and 32°C
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Shelf Life Information: 12 months in unopened packaging
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Temperature Considerations: Protect from freezing and excessive heat
Certifications
- AS 1530 Pt 4 2014 Sections 2, 4, 10 Compliant
- BS476 Part 20:1987 Fire Resistance Certified
- Greenstar Rated per Californian Air Quality Rule 1168
