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“
TIMES ON FIRE RATED DOORS
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RELATED FAQS
Question
Answer
Can a 3 hour A labeled Fire Door be prepped for multiple glass lights?
Resolution:
A fire rated door for 3 hours can have one glass light maximum: 100 square inches and must have an approved glass (Firelite type) Max glass size cannot exceed 12" in width or 33" in height. Wi...:
What is the maximum glass light size on a 90 min (1 1/2 hour) fire rated door?
Resolution:
Standard listed wire glass: one (1) light with 100 in2 per door leaf max.Firelite or other appropriately listed glass:• FM maintains one (1) light with 100 in2 per door leaf max.• UL &...:
What is the maximum glass light size on a 3 hour (180 minute) fire rated door?
Resolution:
Maximum glass light sizes for 3 hour fire doors is as follows: Wire glass - not approved for use in 3 hour fire doors. Ceramic glass: UL & ITS/WH allow one (1) light with 100 square inc...:
What is ASTM E-119?
Resolution:
ASTM E-119 is a test standard for walls, partitions and floor or roof systems: This test standard is also used for ceramic type glasses when used as window wall and/or borrowed light frames.As...:
What is the largest diameter hole that Steelcraft can provide for viewer preps?
Resolution:
Non fire rated doors can be furnished with a maximum 3" diameter hole for viewer preparations.Fire rated doors have a 3/4" maximum holes size unless otherwise listed by UL or ITS/WHI. Viewers must ...:
Can doors be prepared for raceways in the factory?
Resolution:
Raceway availability: Optional factory installed raceways are available in doors but are not available in frames. Preparation Info: Steelcraft installs a flexible 3/4" ID steel...:
What Steelcraft doors can be prepped for a Von Duprin InPact device?
Resolution:
Steelcraft L-Series and T-Series doors are available (as an option) factory prepared for the Von Duprin InPact exit device. :
Are astragals required on fire doors?
Resolution:
Astragals are required on: 3 hour fire rated pairs: Double doors - swinging in the same direction Double Egress - swinging in opposite directions Fire rated Dutch Doors Fire rated 1 3/4" t...:
Can decorative metal panels be installed over the entire surface of fire doors?
Resolution:
Decorative metal panels can only be attached if the panel manufacturer is UL listed in UL’s category GVUZ. All installation, sizes and hourly ratings are in accordance with that manufacturers” ...:
Can wood doors be used with with double egress frames?
Resolution:
Yes, wood doors can be used and installed in most hollow metal frame applications including FE-Series and DE-Series Double Egress frames. Caution - For fire rated applications the wood door manufa...:
Are Steelcraft doors and/or frames fire rated?
Resolution:
Yes, Steelcraft doors and/or frames are available and can carry a UL, WH or FM label. The type of fire label (UL, WH or FM) is dictated by the specifications and local building code. Doors ...:
Are FM fire rated door and frame products available?
Resolution:
FM Global is an independent underwriting agency with listing, in-plant inspection, and labeling capabilities.FM fire rated doors and frames are available, however there are a minimal amount of...:
What frame profile variations are available on fire rated transom sidelights and window?
Resolution:
Elevation frames are available in: F-Series (F16 or F14) FN-Series (FN16 or FN14) MU-Series (MU16, MU14) Additional parameters of the frame components: Perimeter (Head and Jambs) Frame: ...:
Why are frames grouted?
Resolution:
Grouting frames is: A process done in the field during hollow metal frame installation The internal cavity of the frame is fill with masonry or mortar It is intended to mainly provide ...:
What is the maximum size of a UL fire rated three (3) sided frame?
Resolution:
Fire Rated three (3) frames are available in the following maximum door opening sizes: F and FN-Series frame:4' 0" X 10' 0" single door opening8' 0" X 10' 0” double door openingMU-Series frame...:
Can a 1 3/4" thick panel be used in a fire rated transom frame with a transom bar?
Resolution:
Transom panels are available in the following constructions: 1 3/4" thick panels with interior construction similar to an L-Series door installed into a frame either Without a transom bar - r...:
What is the maximum size of a ITS/WHI fire rated three (3) sided frame?
Resolution:
ITS/WHI Fire Rated three (3) frames are available in the following maximum door opening sizes:F and FN-Series:4' 0" X 10' 0" single door8' 0" X 10' 0” double door or pairsMU-Series:4' 0" X 9' 0" si...:
Are intumescent seals or gaskets required on fire rated steel doors?
Resolution:
Intumescent seals or gaskets are not required on fire rated steel doors. Generally speaking, the requirement for intumescent seals or gaskets are a function of the individual manufacturers’ listi...:
What is the maximum door size for ITS/WHI fire rated doors?
Resolution:
ITS/WHI is "Warnoch Hersey". ITS/WHI is the formal designation for Intertek Testing Services / Warnock Hersey. ITS/WHI is an independent agency with testing, listing, in-plant inspection, and label...:
What is the maximum door size for UL fire rated doors?
Resolution:
Maximum UL Fire Rated door sizes are as follows:A-Series:4' 0" X 8' 0" single door8' 0" X 8' 0” double door or pairsB-Series4' 0" X 10' 0" single door8' 0" X 10' 0” double door or pairsCE-Series:3'...:
What are the different door cores available?
Resolution:
The five most common cores are honeycomb, polystyrene, polyurethane, steel stiffened, and temperature rise. Honeycomb core doors are used for interior and exterior openings where high thermal...:
Can Steelcraft doors be prepped for the 98/9949 Concealed Vertical Cable Exit Device?
Resolution:
Yes, as an option, Steelcraft doors are available with factory prepared for the 98/9949 Concealed Vertical Cable Exit Device.L, B, CE, T and CE-Series doors are available factory preparedDoor prepa...:
What is a U-Factor?
Resolution:
The U-Factor, R-Value and K-Thermal Rating are measurements of thermal transmission through building products. U-Factor: Overall co-efficient of heat transmission passage through a built-up panel...:
What is GrainTech?
Resolution:
GrainTech® is a Steelcraft door option which provides a wood grained pattern which is embossed into both face sheets of the door. GrainTech doors are factory stained and top coated with a cle...:
What is the max rating available on an full glass (FG) door?
Resolution:
A UL 20 minute fire rating is the maximum fire rating for a Full Glass (FG) door design. A14-Series door construction: Max fire rating is 20 minute. UL label only FG must use Over-Lapping Stee...:
What is the most common practice for running electric power from a frame to the door and hardware?
Resolution:
Electrical hinges or a power transfer units are the most commonly used practices to run electric power to locks and/or strikes. Electric Hinges: Most electric hinges will fit into...:
Is GrainTech available fire rated?
Resolution:
GrainTech® is available with very broad fire ratings.The option of GrainTech® does not affect the fire rating of the door.Fire ratings depend on the door series, hardware and applications.For all f...: