Fire Door

20 Minute Fire Rated Door With Glass

Application: Fire rated door

Construction: Steel sheet

Door Thickness: 50mm

Door Size:2100x800mm

Glass Option:As your request

Surfaces Available:Melamine door

Fire Door Ratings and Classified Openings Fire door openings are classified by their locations in a building Loca
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Fire Door Ratings and Classified Openings.

Fire door openings are classified by their locations in a building. Location determines the length of exposure protection required, based on the potential fire hazard of that particular area. The opening classifications are shown below. 

Door Rating
Wall Rating
Description and Use
3 Hour (180 Minutes)
4 Hour
These openings are in wall that separate buildings or divide a single building into designated fire areas.
1-1/2 Hour (90 Minutes)
2 Hour
Openings of this type are used in enclosures of vertical communication or egress through buildings. Examples include stairwells and elevator shafts. They also occur in boiler rooms and in exterior walls that have the potential for severe fire exposure from the outside of the building.
1 Hour (60 Minutes)
1 Hour
These door and frame assemblies divide occupancies in a building.
3/4 Hour (45 Minutes)
1 Hour
For use where there are openings in corridors or room partitions. A door with this rating may also be located in the exterior wall of a building subject to moderate fire exposure from the outside of the building.
1/3 Hour (20 Minutes)
1 Hour
These openings are in corridors where smoke and draft control is required.

Note.

1.Most exterior doors do not require fire rating, unless there is the potential for fire exposure from the outside of the building.

2.Fire-Rated doors are required to be self closing and positive latching.

3.The wall, door frame, door and hardware must all be fire rated.


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