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Understanding the Importance of Fire Doors

Fire Rated Doors

Fire doors are an important part of a building’s fire protection system because they allow for rapid egress during emergencies.

In other words, they are specialized doors with a fire-resistance rating used to reduce the speed of fire or smoke between certain areas of a building.
This article addresses some of the basic code requirements pertaining to fire doors so that you can be more informed when purchasing them for your premises.

Preventing The Spread Of Fire

The components unique to fire doors include fire/smoke seals, gaskets, and weather stripping. These aspects are extremely important in preventing the spread of fire.

We receive many phone calls with questions like: “What materials are fire doors made of?” and “What are their components?”

Fire doors are commonly made of a durable combination of materials including wood, steel, aluminum, gypsum, and glass.

Special Requests:

From time to time NYC Doors receives specific requests, for example, replacing an interior fire door with a fireproof Dutch door in a hospital. As you can see in the photos below, the old door was held open with a floor stopper. Now, the top part can be opened while the bottom part remains closed.

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Steel Door Hold Open With A Floor Stopper

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Dutch Steel Door – Dutch Fire-rated Door

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Other Side of Dutch Door with Shelf

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FAQ Fire Rated Doors

How can I find out more about an existing fire door?

Each fire door comes with a permanent label that must remain legible. The door and frame include information about the manufacturer, length of time the component is designed to resist fire, and whether the opening is to be equipped with fire exit hardware. This is vital because some fire doors are designed to be closed at all times. However, fire doors in high traffic locations such as schools, hospitals, offices and large public buildings are designed to stay open under normal circumstances.

For the convenience of building occupants, can fire doors be held open in a code-compliant manner?

Fire doors must be closed during a fire to block off parts of the building and prevent the spread of smoke and flames. The intent is to protect the means of egress and allow building occupants time to evacuate safely. If fire doors are physically blocked or wedged open, they will not be able to do their job and protect the building and its occupants. For this reason, many fire doors will be labeled with the statement: “KEEP CLOSED”.
As mentioned earlier, though, many fire doors are intended to remain open during normal building operations. How can this be accomplished? There are a few ways to do this. For example, using electromagnetic holders, or closer/holder combinations that contain integral smoke detectors. These doors work by detecting smoke themselves or being electronically connected to the fire alarms. Thus, when smoke is detected, the doors close.

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Repair & Maintenance Services

Through our extensive experience, we at NYC Doors and More know that periodic preventive maintenance inspections can reduce both downtime and major repair expenses while extending the operational efficiency of your commercial doors.

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Exit Fire Door

How do I know what fire resistance rating I need?

Your building’s code will mandate the required fire-resistance rating of a wall in a particular location. You can typically learn more about this by calling your building manager.

What are the requirements for hinges on a fire door?

The NFPA requires hinges and pivots to be steel base material, ball bearing type, and of a certain size, thickness, and quantity depending on the door size, thickness, and fire rating. One hinge is required for every 30 inches (762 mm) of door height or fraction thereof.
You may be tempted to use spring hinges instead of a door closer on fire doors for cost and aesthetic reasons. This is especially true if the location in question is a school, where the way the door looks is important for visitors. However, note that spring hinges do not control a door the way a door closer does. They are much less durable and may cause the fire door to either slam shut or fail to close and latch. Both of these scenarios should be avoided at all costs as they can cause bodily harm to people. Fire doors should have door closers installed on them as opposed to spring hinges for these reasons.

Fire-rated Glass Doors

Modern building designs are pushing the limits of what glass is capable of. Energy-efficient buildings require more natural light to be brought into the building. Not only does this enhance how environmentally-friendly a building is, but it also affords a more inviting aesthetic for occupants. How does this relate to fire-rated doors? Well, many years ago, wire glass was the most commonly used material to create windows in fire-rated doors. However, over time it was discovered that this material is not quite durable enough. These days, the International Building Code (IBC) mandates that all wire glass have a protective film in order to enhance effectiveness.

Inspections

The NFPA mandates that all fire doors and frames be inspected annually. NFPA 80 5.2.4 specifies the requirements to be verified.

At NYC Doors and More, we are committed to providing high-quality products and services to our customers throughout the five boroughs—Manhattan, Brooklyn, Queens, the Bronx, and Staten Island. Our professional staff is on hand 24 hours a day to assist you in choosing the best door for your store, business, or home.

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