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Rolling Steel Fire Door Drop Testing

A “Drop Test” is required to confirm that the fire door will close automatically during a fire emergency.

The automatic closing device on a rolling steel fire door must be tested at the time of install, & the door shall be inspected and tested not less than annually as required by NFPA 80. Day & Nite Door Service Inc. will perform the required visual inspection, prior to the drop test of the fire door, in order to reduce the risk of failure during the drop test.

Visual Inspection:

1. Mounting & assembly bolts are not missing or loose.
2. Welds & weld locations comply with installation method for fire door assemblies welded to steel jambs per manufacturer’s installation instructions.
3. Fusible links are located per manufacturer’s instructions.
4. Guide assemblies have the required fire expansion clearance per manufacture’s instructions.
5. Fusible links & sash chain/cable links are not painted or coated with dust or grease, cable is not kinked or pinched, chain is flexible & not twisted & raceways are not obstructed.
6. Smoke detectors/release devices function properly
7. Nothing that is not part of the fire door assembly is attached to any part of the fire door assembly.

Check for damaged or missing components:

1. Slats - bent; tears or holes; metal fatigue.
2. Endlocks – missing; broken; bent; loose.
3. Bottom Bar – bent angles; loose bolts.
4. Guide Assembly – bent angles or channels; loose bolts; curtain entry misalignment.
5. Hood (and Flame Baffle when required) or Fascia – bent; rubbing curtain; holes; loose fasteners; metal fatigue; missing intermediate supports.
6. Automatic Closing Mechanism – missing, broken parts; drop or release arms tied, blocked or wedged.
7. Operating Mechanism – worn, misaligned or poorly meshed gears; worn roller chains; misaligned or loose sprockets; loose bearings; broken parts; bent shafts.

Drop Test:

1. Door must be fully open before drop test.
2. The average closing speed must be 6” and 24” per second.
3. Test each automatic closing option for the fire door.;
4. Reset the door.
5. Open and close the door by normal operation.
6. Drop test the door a second time (to be sure the door reset properly) & reset again.

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