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Customized Sizes 40/45/55 mm Galvanized Steel Fire Rated Emergency Exit Metal Doors

Minimum Order Quantity : 1 set Price : Negotiable
Packaging Details : Perlite Cotton + 4 Edge Proctects + Strong Carton Delivery Time : 30 days after reception of down payment
Payment Terms : Western Union, MoneyGram,Cash, L/C, T/T Supply Ability : 800 sets per day
Place of Origin: CHINA Brand Name: ZHONGWO
Certification: BS, WHI, UL, CCC Model Number: ZW-GM01(T)

Detail Information

Thickness: 45 Mm; 55 Mm Frame Depth: 120/160 Mm
Thickness Of Face Panel: 0.8/1.0 Mm Thickness Of Frame Panel: 1.2/1.5 Mm
Material: Galvanized Steel Filler: Fireproof Perlite Board
Finish: Wood Grain, Powder Coating Weight: About 30-35 Kg/m2
Frame Types: Knock-down Frame; Welded Frame MOQ: 5 Sets
High Light:

fire door insulation


fire rated interior doors

Product Description

Customized Sizes 40/45/55 mm Galvanized Steel Fire Rated Emergency Exit Metal Doors


Zhongwo UL Steel Fire Door


Zhongwo fire door is a manufacturer of fire rated doors, fire windows and fire resistant roller shuter. In subdirectory of fire rated doors there are also wooden fire doors and metal fire doors(By us it means steel fire doors).

Founded in 1995, Zhongwo has developed into leading company in fire door industry in Henan province. Nowdays she has more than 400 workers and introduced world advanced machines, thanks to all of the above she can finish more than 1000 sets steel fire doors.

Zhongwo steel fire doors are certified by different certifications companys. Our Bs certificate is awarded by Intertek, while UL certificate are issued by UL(China).


Zhongwo UL steel fire doors are directly tested in UL (China) according to NFPA252, UL10 (b), UL10 (c) and CAN / ULC S104 standards. In addition, the fire resistance evaluation of Zhongwo UL steel fire doors can be divided into 20 minutes, 30 minutes, 45 minutes, 60 minutes, 90 minutes and 120 minutes. It also handles 180 minute authentication.


Customized Sizes 40/45/55 mm Galvanized Steel Fire Rated Emergency Exit Metal Doors 0


Introduce of Steel Fire Doors


Zhongwo steel fire doors are all made of galvanized steel or 304 stainless steel.Face panel should be 0.8mm,1.0mm or 1.2mm thick. In contract, steel plate of frame should be each 1.2mm,1.5mm or 2.0mm. Decisions and choices of thickness of steel plates are all at yours. We can also provide you with consultant services, you just tell us the circumstances of the doors to be applied.

Door Size:The maximum size is 3 'width 7' height for one door (W915mm * H2134mm), and for double doors it should be 8 '' wide and 8 '' height (W2438mm * H2438mm).

Door Sash is generally (13/4’’) 45mm thick by us.

Frame Depth: 120mm

Two frames choices: Knock-down frame, Welded frame, both of them could be used in wood walls, masonry walls and concrete walls.

Infilling Material must be fireproof materials which are one key factor to decide the fire rated levels of one fire rated door. Zhongwo steel fire doors contain fireproof perlite board, Mgo Board,flamm-resistant treated honeycomb paper or mineral wool. All of the three infilling materials can help the door withstand in fire up to 2 hours.

Surface Treatment: Now we have two kinds of surface treatments, one is wood grain, the other powder coating. According to our own colors scheme,standard colors should be PBG1001(pure white), B1068(beige), PS2328(Gray White),PS2869-2(dark gray) and PS6018-5(matte orange). More options come as following:


Customized Sizes 40/45/55 mm Galvanized Steel Fire Rated Emergency Exit Metal Doors 1


Reinforcement: 3mm thick steel plate at inner side of hinges, closer and fire rated locks.


Door Implementation


Steel fire doors can be used in different places or conditions. But what degrees of fire and conditions match each other?

Well, for homes, flat rooms and hotel rooms, we usually recommend 30 minute fire doors. For factories, we install 45-minute or 60-minute steel fire doors in hospitals. For hospitals, we use 90-minute steel fire doors. For industrial installations, fire doors should be 90 or 120 minutes. The higher rated 180-minute fire doors are usually designed for high risk explosion conditions such as oil plant, oil storage room and so on.


Product Advantage


Item Zhongwo Steel Fire Rated Door
Top Quality and Eco-friendly& Healthy Infilling Material

All of our fireproof perlite board must reach level A1 of the combustion performance standard according to GB8624-2006 and level ZA2 of toxicity standard according to GB/T20285-2006.

Besides, the density of our fireproof perlite board is in top quality, originally it reaches 472.6kg/m3, by drying treatment it still remains457.3kg/m3, which are both great higher than the standard of 420kg/m3.

Top Appearance Quality Surface adopts technology without welding spots, so that to get smooth appearance.
Top Fire Insulation Performance Average temperature rise of unexposed surface reaches 94.2℃, highest temperature rise at single point reaches 148.6℃, both are far away lower than the standard of not beyond 140℃ and 180℃. And the highest temperature point on door frame reaches 140.8℃, also much lower than the standard of not beyond 360℃.


Hardware & Accessories


Standard hardware by us will be hinges, closers, fire locks and handles. In addition, we can also supply other fireproof ironmongery and accessories such as fireproof expand seals, panic bar, electric door holders etc..



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