fire-rated door

fire-door rating

A fire-endurance rating for doors, shutters, etc., established by the Underwriters’ Laboratories, Inc., or other recognized and approved laboratory: class A: 3 hr; for doorways or other openings through a wall separating buildings or dividing a single building into fire areas; class B: 1 or 1½ hr; for doorways or other openings in enclosures of vertical transportation through buildings (stairs, elevators, etc.); class C: 3/4 hr; doors in corridor and room partitions; class D: 1½ hr; doors and shutters in exterior walls which are subject to severe fire exposure from outside the building; classes E and F: 3/4 hr; doors, shutters, or windows in exterior walls which are subject to moderate or light fire exposure respectively from outside the building.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
Given the age of the house, am I required to install a fire-rated door?
In addition to removing the stair to the roof, the 2015 /-Codes also allows the removal of the fire-rated door and rated wall assembly between an interior exit stairwell and the exit passageway, provided there are no unprotected openings or penetrations in the exit passageway.
Earlier the company had launched its first locally designed fire-rated door system.
It was alleged he failed to secure floor joists, to install a damp proof course, sound insulation quilts, plasterboard and an appropriate fire-rated door, and to ensure that partially completed electrical works were made safe.
The Special-Lite, Inc., has introduced a new fire-rated door with a "sandstone texture" fiberglass reinforced polyester (FRP) face sheet.
To satisfy the fire-resistance requirements, some specifiers have actually used a second swinging fire-rated door assembly in the same opening, along with a horizontally sliding-door assembly.
The Swedish group expects the acquisitions to complement its existing fire-rated door product offering in China and to contribute to its EPS from the start, it said, without revealing the value of the transactions.
The acquired companies reportedly complement well with ASSA ABLOY's existing fire-rated door product offering in China, both geographically and commercially.
Assa Abloya[euro](tm)s executive vice president and head of its Asia Pacific division, Jonas Persson, said that Sanhe Metal will boost the firma[euro](tm)s existing fire-rated door product offering in China, both geographically and commercially.
The acquisition of Shantou Longhu Sanhe Metal Holdings Co Ltd in China's Guangdong province expands ASSA ABLOY's Asia Pacific division and complements the company's existing fire-rated door product offering in China, both geographically and commercially, according to Jonas Persson, EVP of ASSA ABLOY and head of its operations in the Asia Pacific region.
"Hormann fire-rated doors meet all the stipulated international, national and regional fire safety standards and are available with a honeycomb core as the standard infill material, with other options available.