1 3 4 doors 4 1 2 hinges hinge location chart.
Hinge position on fire doors.
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In addition to the right hardware fire doors must be equipped with the correct and relevant signage on both sides of the door for example.
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Hinges made of aluminium will be of no use on a fire door it is crucial to check fire certification.
Figures 2 3 and 4 detail hinge positions for doors where the hinges are operating at the near the maximum load capacity or where door closers particularly back check closers are in use and the door is in a high frequency of use environment.
Table 6 4 3 1 specifies the hinge size and thickness depending on the door size thickness and fire rating and the hinge type.
The relevant grades given are based on 3 hinges being fitted to the door as illustrated in figure 1 of the hinge spacing code of practice.
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How to determine hinge spacing on a door.
Figure 1 shows a standard hinge arrangement.
For example for a 1 3 4 inch thick door with a rating of up to 3 hours and a door size up to 4 feet wide and 8 feet high table 6 4 3 1 allows a mortised or surface mounted steel hinge 4 1 2 inches high and 0 134.