Fire Door ratings

RELATED FAQS

Question
Answer
The Von Duprin 5100 electric strike is not for fire rated applications.
There are several door manufacturers that have achieved a 90 minute UL Fire listing as shown. Von Duprin CVC with Marshfield Wood Door: Von Duprin is pleased to announce that Marshfield has s...
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...
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...
NON Fire Rated doors would use the 1609 strike applied to the inactive leaf with flushbolts.  This may NOT be used on Fire Rated openings.
Steelcraft L-Series and T-Series doors are available (as an option) factory prepared for the Von Duprin InPact exit device. 
Steelcraft doors and/or frames do not contain any asbestos. Steelcraft did use asbestos in the following products: Steelcraft S16-Series stile and rail door with flush panel and UL fire door l...
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...
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.
The SED/MED series closers where discontinued in 2000. The SE or ME series from LCN can be used as replacements to provide a hold open feature, but will not have the smoke detectors ...
The 6223-FSE electric strike is fire rated for pairs of wood doors, but check with wood door manufacturer to see if they have been approved for this application.
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 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...
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...
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...
There is no fire rating for butt hinges, but NFPA 80 says to use steel material and ball bearing hinges for fire rated openings.
All LCN closers have UL listings, and are Fire Rated for up to 3 hours.
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. ...
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...
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...
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, Steelcraft doors we are approved up to 48" in height or not to exceed a total 2304 square inches per face. Protective plates are usually flat sheets of metal or plastic applied to one or both...
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 Von Duprin 1609 cannot be used on a pair of fire rated doors. We recommend using the Von Duprin fire rated mortise exit device in lieu of the rim device such as the Von Duprin 5575-F,...
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” ...
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...
The Von Duprin Guard-X exit device is not fire rated because the deadbolt is not spring loaded. Therefore, there would be no positive latching as required on a fire rated opening. 
The 3130 Series closer is UL listed- Fire Rated (UL-10C) for up to 3 Hr.The Door and Frame Manufacturer needs to be contacted to verify their Door/Frame rating would not be compromised wh...
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...
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 ...
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 AD and CO locks both have a 3 hour fire door rating. Please see URL for more info.  UL Fire Rating List