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Questions to Ask When
Glazing in Doors
by Jeff Razwick
Photo © Joe Harrison, JH Photography Inc.
Fire-rated doors provide around-
the-clock protection to help
ensure people can safely exit a
building in the event of a fire. When
specified with fire-rated glazing,
they can also help preserve sight
lines and support aesthetic goals.
During a building fire, properly functioning fire-
rated door assemblies play a critical role in providing
occupants with safe means of egress. They allow
individuals to pass by, or through, them without
experiencing serious injury, and enable fire safety
personnel to enter a structure and help extinguish
flames and smoke.
Fire-rated door assemblies may service a building
for years without being called into such action. As a
result, it is important for them to support a building’s
daily functional and aesthetic needs. To ensure all
goals are met, an increasingly popular design solution
is to incorporate fire-rated glazing wihtin fire-rated
Fire-rated glazing may be clear and wireless, with
a surface quality comparable to ordinary window
glass. It is available with fire ratings ranging from 20
to 180 minutes, and advanced products can provide
74 the construction specifier | august 2016
www.constructionspecifier.com 2016-07-18 9:13 AM