Asked by: Glenda Undianohome and garden home security
Should fire doors have 3 hinges?
Last Updated: 15th January, 2020
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Consequently, how many hinges should a door have?
As a general rule you will want to use 1 hinge per every 30 inches of door or fraction thereof. Referring to door height: 1. Doors up to 60 inches need 2 hinges.
One may also ask, what size hinges for fire doors? 75mm hinges are used on 35mm thick standard internal doors. 100mm hinges are usually found on external doors and internal fire doors that are 45mm thick. Please note that fire doors by regulation have to have three hinges per door.
In this way, should interior doors have 2 or 3 hinges?
Heavy doors need 3. You can get away with 2 on interior doors. If the interior door is heavier than usual just upgrade the hinge to a heavier size. Some have three, others two.
How do you fit a fire door hinge?
If the hinges squeak when the door closes they must be replaced. Fit the top hinge 200mm from the top of the door and the middle hinge 250mm further down from the centre point of the top hinge and the bottom hinge 200mm from the bottom of the door. Check that intumescent pads have been fitted in the correct material.