Aha Trivia Stuff Everyone Should Know
Aha Trivia: Stuff Everyone Should Know · ahatrivia.com/mb-fire-safety-22ba49a3fa07

Why should fire doors never be propped open?

They stop fire and smoke from spreading.

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  1. They let in fresh air
  2. They make rooms brighter
  3. They stop fire and smoke from spreading ✔

Why: Fire doors block fire and smoke, so propping them open defeats their purpose.

Huh, didn't know that: Fire doors block fire and smoke, so propping them open defeats their purpose.

The dad joke
A propped door is an open invitation to trouble
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References

Answer: They stop fire and smoke from spreading. Fire doors block fire and smoke, so propping them open defeats their purpose.

  1. Fire safety en.wikipedia.org/wiki/Fire_safety
    avoid obvious mistakes, such as the propping open of fire doors
    Checked 2026-11-07.

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