When you're ordering fire doors, safety is priority number one!

Fire emergencies are something that none of us like to think about, but they are very real. That’s why it’s absolutely crucial to make sure that all fire doors installed in office buildings are in compliance with all local building codes and the safety standards of the National Fire Protection Association (NFPA).

Our team at National Custom Hollow Metal is well known for being the top supplier of custom hollow metal doors, and we can build the custom fire rated doors that you need to your exact specifications, and ship them with a lightning fast lead time. We’re always a phone call away if you have any specific questions, but here are the answers to some of the most common questions that people have about fire doors:

How do fire doors work?

During a fire, the doors compartmentalize the affected area and isolate the smoke and flames, so that occupants will have the time that they need to evacuate.

What fire door labels will I need?

Fire door labeling refers to the length of time that a door can keep an area compartmentalized from the spread of fire and smoke, with 20, 45, 90, and 180 minute labeling available. Labeling requirements are determined by the door’s location in a building. For example, a door that connects two separate buildings will usually require a 180 minute label, stairwells and elevator shafts usually require 90 minute labels, and interior corridor doors will typically require 60, 45, or 20 minute labeling. Door hardware such as latches, hinges, closing devices, panic hardware, and hold open devices are also rated, and you’ll need hardware that at least equals the door’s labeling, and the door and hardware ratings must not exceed the rating of adjacent walls.

Who sets the labeling standards?

Warnock-Hershey and Underwriter’s Laboratories are independent agencies that test a variety of products for compliance with national safety standards. Their recommendations are used to set standards for building codes, and are voluntarily followed by manufacturers.

No one is more committed to fire safety than our engineers at NCHM, and you can always buy with confidence, because your satisfaction is guaranteed on all orders. To get a free estimate, contact us online, or at 800-334-3070.

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