TIMES ON FIRE RATED DOORS

RELATED FAQS

Question
Answer
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...
Maximum glass light size for a 90 minute (1 1/2 hour) door depends on the type of glass being installed. Wire glass = 100 square inches is max exposed glass when wire glass is used. Note - ma...
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...
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. ...
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 mus...
Raceway availability: Optional factory installed raceways are available in doors but are not available in frames. Preparation Info: Steelcraft installs a flexible 1/2" ID steel conduit through the...
Steelcraft L-Series and T-Series doors are available (as an option) factory prepared for the Von Duprin InPact exit device. 
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...
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” ...
Dutch doors are available as Fire Rated door assemblies and have similar component requirements as a single leaf fire door. Exceptions are as follows: The Dutch Door assembly must have a lock...
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...
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 ...
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 ...
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: ...
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 ...
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 opening 8' 0" X 10' 0” double door opening MU-Ser...
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...
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 door 8' 0" X 10' 0” double door or pairs MU-Series: ...
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...
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...
Maximum UL Fire Rated door sizes are as follows: A-Series: 4' 0" X 8' 0" single door 8' 0" X 8' 0” double door or pairs B-Series 4' 0" X 10' 0" single door 8' 0" X 10' 0” double doo...
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...
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 prepared Door...
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...
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...
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...
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...
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. ...