1 3 4 doors 4 1 2 hinges hinge location chart.
Hinge position on fire doors.
How to determine hinge spacing on a door.
Fire door keep shut or fire door keep locked.
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Figure 1 shows a standard hinge arrangement.
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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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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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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.
When a door starts to sag and hang crooked it always does so from the top so the upper part of the doorknob side is where it will start to catch.
Table 6 4 3 1 specifies the hinge size and thickness depending on the door size thickness and fire rating and the hinge type.
Hinges made of aluminium will be of no use on a fire door it is crucial to check fire certification.