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Door Leaves &
Door construction
The door leaf is the primary fire-resisting component of a fire door assembly and must be installed and maintained correctly to achieve its intended performance. Learn about door leaf construction, handling, installation, alterations, repairs and best practice guidance to help maintain fire door integrity throughout its service life.
Door Leaf
What Is a Fire Doorset? Components, Testing and International Guidance
Published: July 18, 2026
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