Jamb-Mounted Door Closers: A Better Alternative to Concealed Devices in Fire Doors

Door closers are more than just a convenience for commercial building owners, lessees and their patrons.  They are required mechanisms in most every region in North America in order to preserve the fire integrity of commercial buildings.  Put simply: door closers may save lives.

Keeping doors closed and buildings secured is the perennial problem of commercial building owners everywhere.  With many doors seeing moderate to heavy foot traffic every day, 365 days per year, maintaining secure perimeters can be a challenge.  It’s also a challenge to make sure that dollars are being spent on important business items and not drifting out of open doors into the heat of summer or the cold of winter to vanish into the atmosphere.

Door closers solve a number of problems related to building security and maintaining indoor air quality and temperature.  Most businesses would likely employ their use even without a building code requirement.

The extra challenge comes when building/business owners want to preserve aesthetics without compromising fire safety and integrity (fire doors, by law, must remain closed at all times.)  Overhead, surface-mounted door closers may not fit with every interior design.  Concealed door closers provide one answer to the question of aesthetics.

However, when it comes to outfitting fire doors, concealed door closers aren’t always the best choice.  Concealed door closers have to be mounted inside the door itself.  This requires boring into and cutting away some of the door, which can lead to problems with fire integrity.  The less that fire doors are altered, the better they are at preventing the spread of fire from one part of a commercial building to another.

That’s why jamb-mounted door closers may be a more suitable alternative.  Jamb-mounted devices are attached to the inside of the door frame (jamb) and the inner edge of the door.  A pivoted arm attaches the two parts together and provide the torque which pulls the door shut after it has been opened.  There is no cutting of the door required for installation.  The device can be seen only when the door is open.  When the door is closed, it is completely invisible on both sides of the door, providing the sleek, modern look that many building owners and lessees desire.

~ by pixiejen on May 19, 2009.

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