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Fire doors are often held open improperly for the sake of convenience. These ﬁre doors are held open with magnetic holders that release
and allow closure upon ﬁre alarm activation, as the codes require. The doors are also equipped with less-bottom-rod (LBR) ﬁre exit hardware.
Everything you always wanted to know (but were afraid to ask)
by Lori Greene, CSI, AHC/CDC, CCPR, FDAI
Photos courtesy Ingersoll Rand Security Technologies
FIRE DOORS ARE AN IMPORTANT
PART OF A BUILDING’S PASSIVE FIRE
PROTECTION SYSTEM, AND DOORS
IN A MEANS OF EGRESS PROVIDE LIFE
SAFETY BY ALLOWING PEOPLE TO EXIT
QUICKLY WHEN NECESSARY. STILL, THE
REQUIREMENTS REMAIN A MYSTERY FOR
MANY ARCHITECTS AND SPECIFIERS.
Simply put, an opening protective in a ﬁre or smoke
barrier is required to be a ﬁre door assembly, which
includes the door, frame, hardware, and glazing.
These components are not typically required to
be supplied by the same manufacturer—in most
cases, they can be separate products which are
listed, labeled, or classiﬁed for use in a ﬁre door
assembly. Occasionally, an assembly will be made
of components that have been tested together and
must be used to maintain the rating.
This article addresses some of the basic code
requirements pertaining to ﬁre doors, in hopes of
making them a little less mysterious. The best
way to ﬁnd the answers is through asking the
70 the construction speciﬁer | october 2013
9/12/13 9:13:05 AM