Schlage Locks: Setting the Industry Standard

Residential and Commercial Security

Locks and Fire Doors

Nearly every commercial building and business has one or more fire doors on their premises.  They protect both human lives and property by containing fire in one part of a commercial building. They also prevent smoke and fumes from passing from the area of the fire to other parts of the building, while still making it possible for people to escape.


Fire doors are typically installed within fire walls.  Both fire doors and fire walls are made of materials which are not easily combustible.  They are usually mandated in all commercial buildings in North America.  Smaller commercial buildings may only have one or two fire doors/walls, while larger properties may have dozens or even hundreds of them.


Some of the most common places where fire doors/walls are located within commercial buildings are:


* Between units.  Commercial buildings with multiple units and lessees are often required by local building codes to have fire walls/doors separating each unit.  If fire breaks out in one unit, the fire wall keeps the fire from damaging other units in the same building.


* Doors leading to stairwells.  Multi-storied buildings are usually enclosed by fire walls. Entrance to and exit from stairwells takes place through fire doors.  This prevents fire and smoke from entering stairwells, allowing people to escape.  It also helps prevent fires from spreading between levels.


* Exterior walls.  Certain exterior walls on commercial buildings may be made fire-resistant.  Local building codes usually determine if and which exterior walls must be non-combustible.


Fire doors must pass a series of laboratory tests in order to be certified as such.  Once tested, they receive a rating based on their ability to prevent the spread of fire over a specified period of time at a particular temperature.  For example, a fire door may be rated for “three hours.” This means that the door has been tested by subjecting it to fire with a temperature of 1925 degrees Fahrenheit, and the door withstood combustion for three hours.


All individual components of the door, therefore, must also be able to withstand the same type of fire as the door itself.  This includes door hardware like closers, latches, thresholds, hinges and locks.  Doors which have been tested prior to sale are produced with components that meet the same standards as the rest of the door.


However, problems can arise when components need to be replaced after installation.  Business owners are sometimes unaware of where fire doors are located within their premises, or how their existing fire doors are rated.  This can lead to potential problems when it comes time to replace components like locks.


Business owners should familiarize themselves with the type(s) of door(s) which are installed on their properties. Three hour fire doors must be outfitted with three hour fire-rated locks.  Failure to do so will likely lead to fire breaches, resulting in property damage/loss and possible human injury or even death.


Schlage produces a full line of fire rated lock products.  They are UL (Underwriters Laboratories) approved, and provide the type of professional security that business owners have come to expect.  Products like the B-500 Series Deadbolt Locks meet both fire and security protocol, providing peace of mind to business owners and commercial property managers.


Find fire-rated locks and other high-quality Schlage Lock products here:



December 11, 2008 - Posted by | Commercial and Residential Security

1 Comment »

  1. […] listed for three hour fire […]

    Pingback by The A-Series: Schlage’s “Cornerstone” « Schlage Locks: Setting the Industry Standard | June 16, 2009 | Reply

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