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90mins GH/UL certification fire rated hollow metal steel door with glass


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90mins GH/UL certification fire rated hollow metal steel door with glass


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GH Steel Fire Door Features :

fire rated up to 3 hours with WHI  UL  FM label applied .

all of doors are designed and fabricated under SDI requirements.

1 3/4″ thickness (44.5mm),non-handed assemble with reversible hinge shim parts.


fire rated wire glass or louver option for vision lites .

all materials is  approved  in accordance with NFPA  ASTM and other standards .

steel stiffener, hardware preparations and reinforcement are conformed with ANSI standards .


GH Steel Fire Door Technical Data :


Golden House (GH)


UL 10(b),UL 10(c) /NFPA/ASTM /UBC7-2



Fire rated time

45min,90min,up to 180 min

Door Size (single)

 standard width up to 4’0″(1200mm ) Height  up to 8’0″(2440mm);

customized size is available .

Leaf thickness:1 3/4″ standard ( 44.5mm )

Frame jamb depth:100-300mm

Door size (Double)

Maximum size is 8’x8′(2440x2440mm)

Door leaf sheet

20Ga-18Ga (1.0/1.2mm).customized level is available

Door frame sheet

16Ga.(1.5mm) ,customized level is available


swing /inward or outward


2 panel/6 panel/flush panel/vision lite /louver

Material of leaf and frame

cold roll steel or Galvanized Steel or Galvannealed Steel

Filling material

Honeycomb,Polystyrene,Mineral Fire Board

Surface finish

factory Primer /finsih paint/power coated/wood grain finished


RAL color system or be customized as well


Suitable for building project,business,home decoration

(Office,hotle,church,home and so on )


in wooden case or steel pallet package



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Fire-Rated doors are required to be suited for the various type of walls as below :

Frame and Hardware must also carry the appropriate fire label


Door fire Rating Wall Rating Description and Use
3 Hour 4 Hour The openings are in wall that separating buildings or dividing a single building into designated fire areas.doors for this openning are required at 3 hours fire rating.
1-1/2 Hour 2 Hour Openings  are used in enclosures of vertical communication or egress through buildings. theste could be stairwells or elevator shafts. They also are in boiler rooms and in exterior walls that have the potential for severe fire exposure from the outside of the building.
3/4 Hour

(45 Minutes)

1 Hour For use on the  openings are in corridors and room partitions. A door with this rating may also be used in the exterior wall which are subject to moderate fire exposure from the outside of the building.
1/3 Hour

(20 Minutes)

1 Hour These openings are in corridors or interior partitions where this fire rating is required .



Frame used in masonry walls maybe used with a maximum 3-hour fire door while frame used in drywall stud walls are intended to be used with a maximum 1-1/2-hour fire door. consulting with your door frame manufacturers listings for fire door frames than can be used in drywall stud walls with a maximum 3-hour ratings.


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