3 Hinge Position On Fire Doors

The top hinge need to be positioned approx.

3 hinge position on fire doors. With fire resisting doors becoming heavier there is a practice to fit two hinges at the top of the door with the third hinge at the bottom of the door. 170 180mm 6 inches from the top. They are all 44mm fire doors and a couple of them are 915mm wide so they are quite a heavy door. How to determine hinge spacing on a door.

For light weight internal doors two 3 butt hinges should be adequate. Bigger solid core doors require 3 or 4 or more hinges with ball bearings. This is accomplished through the use of a closer or spring hinge and a fire rated lockset or exit device. I have a few doors to hang shortly.

1 3 4 doors 4 1 2 hinges hinge location chart. 190 200mm 9inches from the bottom. The top hinge is a little closer to the top usually about 7 as it is always in tension with the forces applied. 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.

All fire doors have an additional safety feature they must be self closing and self latching. It s a standard moulded door 1980 x 601 mm. Hinges are generally spaced out equally to also keep the door straight. Is there a preferred position for the top and bottom hinges up the edge of the door.

I will have two doors one from the kitchen into the lobby the other from the lobby to the bathroom. It is unsafe to alter the as tested position of a hinge on a fire door without assessment from a suitably qualified authority. From what i understand it is best to have one hinge near the bottom and two hinges near the top of the door to take the weight rather than three hinges equally spaced. 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.

I have got the frames fixed in place and now need the hang the doors a first for me. For heavier doors i use two 4 butt hinges or for very heavy doors three 4 butt hinges. Light hollow core doors that are 6 8 only require 2 hinges with a cheap pin. This means that in the event of a fire all of these doors will close and latch without a person s help.