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Fire Door Gaps & Tolerances
Problems with perimeter gaps, clearances, alignment or uneven gaps around the doorset. This section brings together practical guidance for inspecting, measuring and understanding fire-door gap problems.
Door Gaps & Tolerances
How Do You Check Fire Door Threshold and Floor Clearance?
Published: October 11, 2026
Door Gaps & Tolerances
Why Does a Fire Door Gap Change from Top to Bottom?
Published: October 6, 2026
Door Gaps & Tolerances
How Should You Measure Fire Door Gaps for Fault Finding?
Published: October 6, 2026
Door Gaps & Tolerances
Why Does a Fire Door Gap Change When the Frame Is Loaded?
Published: October 6, 2026
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