[Wellboy]

When I was helping a friend with a small workshop conversion, we quickly realized the doorways were inconsistent and didn’t fit typical products. That raised the question of what actually counts as a standard fire door size, since every supplier seems to suggest something slightly different.

[Jacdino7]

In practice, the fire door standard size is more about ensuring uniformity for safety and ease of installation rather than fixing on one strict measurement. The idea is to have dimensions that are widely accepted so frames, hardware, and certification align smoothly. Even if buildings vary, choosing a recognized standard gives more reliability and avoids problems during inspections.

[Author]

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