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Hinge position on fire doors.
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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.
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.
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.
How to determine hinge spacing on a door.
Hinges made of aluminium will be of no use on a fire door it is crucial to check fire certification.
Table 6 4 3 1 specifies the hinge size and thickness depending on the door size thickness and fire rating and the hinge type.
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1 16 of 945 results for fire door hinges dynasty hardware 4 x 4 mortise spring hinge with 5 8 radius corners satin nickel pack of 2 hinges.
Figure 1 shows a standard hinge arrangement.
Fire door keep shut or fire door keep locked.
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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