Plain-English definitions of UK fire safety terms, British Standards, and regulations. Currently covering 76 terms across 8 categories.
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4 terms found
An FD30 fire door is a fire door assembly rated to provide 30 minutes of fire resistance, tested in accordance with BS 476 Part 22 or EN 1634-1. FD30 doors are the minimum standard for most compartment boundaries in non-domestic premises and residential buildings, and require regular fire door inspection to confirm that seals, closers, gaps, and hardware remain compliant.
Read definitionAn FD60 fire door is a fire door assembly rated to provide 60 minutes of fire resistance, tested to BS 476 Part 22 or EN 1634-1. FD60 doors are specified in higher-risk locations — including protected stairwells in taller buildings, plant rooms, and storage areas with significant fire loads — and require regular inspection to confirm that seals, closers, glazing, and gaps remain compliant with BS 9999.
Read definitionA fire door closer is a mechanical device fitted to a fire door that returns it automatically to the closed and latched position after each use, ensuring the door maintains its fire resistance rating and prevents smoke spread. A correctly functioning closer is a mandatory fitting on all self-closing fire doors and its operation is verified during every fire door inspection under BS 9999.
Read definitionA fire door inspection is a formal assessment of a fire door assembly — including the door leaf, frame, seals, hardware, and signage — to verify that it will provide the specified fire resistance (typically 30 or 60 minutes) and close reliably in a fire, in accordance with relevant British Standards and the Regulatory Reform (Fire Safety) Order 2005.
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