FIREFLY® Concrete Screws (70mm) are approved fixings within the FIREFLY® Fixings & Screws range, designed for securing FIREFLY® fire barrier systems and supporting components directly to concrete substrates. When used in accordance with FIREFLY® installation guidance, they help ensure a fully tested and certified fire protection system.
Suitable for use with C20/C25 concrete, these screws provide a reliable mechanical fixing solution for channels, angles, and supporting elements used as part of FIREFLY® passive fire protection installations. Supplied in packs of 50 or 100, they offer flexibility for both small works and larger installation projects.
Available Pack Size Variants
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Pack of 50 – Ideal for small or remedial installations
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Pack of 100 – Suitable for larger projects and repeat fixing points
Key Features
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Approved FIREFLY® fixing for concrete substrates
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70mm length suitable for standard FIREFLY® support and channel fixings
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Designed for use with C20/C25 concrete
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Supports compliant installation of FIREFLY® fire barrier systems
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Available in practical pack sizes for site flexibility
Typical Applications
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Fixing FIREFLY® channels and support systems to concrete
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Use with fire barrier clamping angles and structural supports
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Suitable for industrial, commercial, and residential installations
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Installation of fire barrier systems where concrete substrates are present
Technical Specifications
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Product Type: Concrete Screw
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Length: 70mm
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Substrate: Concrete (C20/C25)
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Pack Sizes: 50 or 100
Compliance Note
FIREFLY® Concrete Screws must be installed in accordance with FIREFLY® installation guidance and system details to maintain tested and certified fire performance.