clearance fire rated

RELATED FAQS

Question
Answer
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...
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...
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...
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 a standard 4 ...
Masonry T anchor are approved for fire rated frames up to 3 hours. T Anchors are shipped lose for field installation. Anchor construction: The T portion and the strap do have minimum dimensions th...
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...
Wallboard must penetrate a minimum of ½” into the hollow metal frame, based on NFPA Pamphlet 80, (page 80-2, figure A.4.6.3.1) .
NO - Louvers are not approved for installation in a fire rated transom / side panel frames.  NFPA Pamphlet 80 - paragraph # 6.3.4.4 states “Louvers shall not be installed in either transom or s...
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, 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 ...
An Astragal is an applied molding attached most commonly to the meeting edge of doors to: Protection against weather conditions Minimize the passage of light between the doors Retard the passa...
All 3 hour fire rated pairs of doors do require an astragal when used without a removable hardware mullion. Pairs of doors with removable hardware mullions are treated and listed as 2 single doors...
It is always recommended to point installers to the industry installation manuals which are very comprehensive and are ANSI documents. SDI (Steel Door Institute) installation manual can be found...
Types of astragal offered from Steelcraft are as follows: "Z" Astragal - For information on "Z" astragal types and attachment refer to the TD Manual page 3.3.17. Most commonly used on double ...
To determine Actual Door Size, the following values are subtracted from nominal door size (frame opening/order size) Actual Door Size: The largest measured width by height of the door leaf as m...
A Dutch Door is a door having two separate leaves, hung one over the other: Usually equipped so that both leaves can be operated Usually in single doors applications but sometimes specified ...
Fire labels (UL, ITS/WHI or FM) are located as follows: Butt Hinges and Pivots: On the doors the fire label is located on the hinge edge between the top and 2nd hinge preparation. On the fram...
Yes, a filler plate can be used to cover an EPT prep as long as it is made from the same material as the frame. This information can also be found in NFPA 80 under Chapter 5 for Field Modifications.
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: ...
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. ...
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...
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...
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...
DW-Series Fire Rated Borrowed Lights are available in the following sizes: 60 minute (1 hour) rating = 2721 square inches of visible glass. maximum frame rabbet to rabbet dimensions = 78 1/4...
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...
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 ...
You can only use one GBK Glass Bead Kit (1/4") per device on fire rated openings. Glass Bead Kit is for use on doors with raised glass beads.
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...
The 6111 electric strike can be used only on non rated openings less bottom rod with pullman top latch (use ES prefix when ordering device). Device back set will change to match the centerline of t...
Not for use in fire rated openings.
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...
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...
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...
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...
Yes, hospital stops are available on fire rated frames. Maximum approval = 3 hour Maximum sizes:  singles up to 4'0" x 8'0" pairs up to 8'0" x 8'0" Maximum hospital stop height 6" from bot...
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...
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...
F-Series frames are available without returns: Fire Rated frames must have welded corners. Frames must include weled in wood or steel stud anchors. Installation requirements: Frames must be...
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. ...
Steelcraft does offer Thermal Break Frameson the FT series. Thermal break frames are available as:3-sided frames onlyFrames are available in 16 or 14 gauge steelFT series frames meet the requi...
Additional information on Thermal Break Frames can be found on Tech Data Pages 224 thru 227 
Maximum nominal (overall) single door sizes are as follows: L-Series (Laminated Door) 20 Gage = 3’ 0” wide X  8’ 0” high 18 Gage = 4’ 0” wide X 10’ 0” high 16 Gage = 4’ 0” wide X 10...
Doors are available with cutouts only. This practice is used for field installation of aftermarket (non-Steelcraft) glass trim by either the distributor or end user. The following information must ...
All hardware options (available on standard door) are available on GrainTech® doors. Available hardware are covered in the Steelcraft Price Manual. GrainTech® doors can be prepped for the Von Dupr...
Communicating Frames are hollow metal frame fabricated such that a door is installed in each rabbet of a double rabbeted frame (2 doors total) to facilitate dual access and control of the opening, ...
Glass Light is a preparation in a door for view window, vision and/or glazing including glass stop and glazing bead and may also be refereed to as a lite. Doors are available with a wide variety o...
Maximum hourly rating for a transom and side light or panel frame is 1 1/2 hour (90 minutes). In masonry wall application the maximum is 13'6" x 12'2" In stud wall application the maximum is 13...
The 20 minute Fire Rating is a valid label and are commonly referred to as "Smoke and Draft control door assemblies". Depending on the local fire code and the openings's applica...
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” ...
Steelcraft L-Series and T-Series doors are available (as an option) factory prepared for the Von Duprin InPact exit device. 
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...
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: ...
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...
Yes, an additional jamb anchor can be used at the bottom of the frame in lieu of the typical (adjustable or weld-in) base anchor in fire rated frames. This is limited to the anchor designed for...
No. Fire rated double egress frames must be a stand alone 3 sided frame assembly. If transom lights and/or sidelights are required, they must be built and installed as separate Fire Window assemb...
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 ...
The following are quantities of EMA anchors (pierce and dimples) based on range of frame height:  Quantity  Nominal Frame Height     2     1'...
High Definition (High Def) door panel designs have deeper shadow lines than conventional CE-Series designs. CE-Series doors are available with optional High Definition (HD2 and HD2A) door panel de...