Is a 20 minute label door a real fire door?

The 20 minute Fire Rating is a valid label and are commonly referred to as "Smoke and Draft control door assemblies". Depending on the local fire code and the openings's application, these doors can be specified as either with or without a hose stream test.

  1. 20 minute with hose stream: These are openings that have successfully passed a 20 minute fire test, the standard hose stream test and bare a label that specifically states "Twenty-Minute-Rating Fire Door".
  2. 20 minute without hose stream: These are openings that have successfully passed a 20 minute fire test but were not subjected to the hose stream test. These doors bare a label that specifically states 'Twenty-Minute-Rating tested Without Hose Stream'.
  3. 20 minute without locking/latching hardware: Some areas specify smoke and draft for air leakage only and do not require fire test nor self latching locks. Steelcraft does not offer/support this label/condition.

Gaskets: Smoke and Draft control door Assemblies must include the appropriate Fire/Smoke Rated Seals.

  1. Intumescent gaskets is not required for hollow metal doors installed in hollow metal frames.
  2. Door bottom gasket is not required unless required by the local authority having jurisdiction.

20 minute fire doors are installed into one-hour corridor walls where smoke and draft control is required.


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