So to answer it concisely – no there isn’t one hinge bearing the weight and unless your hinges are floating in the cutout. And the weight is usually inconsequential. The top hinge however has the most chance to fail due to improper installation or abuse.

Should I put 2 or 3 hinges on a door?

If you want to be sure of how many hinges your door requires, here is a point of reference for you: If your door is approximately 60″ you will have to use two hinges. If your door measures between 60″ to 90″ you will need three hinges. If your door measures between 90″ to 120″, you will need to use four hinges.

Where should 3 hinges go on a door?





Determine the correct placement of the door hinges. The top hinge is typically located seven inches below the top of the door frame, and the second hinge is situated 11 inches from the door frame bottom. When a third hinge is needed to support a heavy door, it’s located directly in the middle of the first two.

How much weight will a door hinge hold?

How Much Weight Can I Hang on the Outside Doors?

Door Hinge Type Medium Frequency High Frequency
Residential duty hinge 400 pounds 200 pounds
Commercial Duty Hinge 600 pounds 400 pounds
Heavy duty hinge 1000 pounds 600 pounds
Cabinet Doors ~ 80 pounds ~ 80 pounds total

Why are there 3 hinges on a door?

The third(centre) hinge WILL take weight from the door. AND it will actually help PREVENT warping(one of the main reasons to have a third hinge). And three nice brass hinges don’t look at all bad.

Which hinge goes on door?





Left-hand hinges are installed on the left-hand side of the door if you want the door to open inward with the knob on the right side of the door. You can also install left-hand hinges on the right-hand side if you want the door to open outward with the knob on the left-hand side of the door instead.

How far down should a hinge be on a door?

If you intend to use new door hinge positions you will need to mark the door hinge positions on the frame and the door, exterior or interior doors should be hinged between 125-150mm (5-6 inches) from the top of the door and 175-230mm (7-9 inches) from the bottom of the door.

What is the strongest hinge?

If you’re looking for door hinges for a heavy or frequently used door, mortise hinges make a stronger and more reliable choice. Mortise hinges are more popular among exterior doors, as are mortise locks.

Which hinge takes the most weight?

The most important aspect of “hinge” weighting in residential doors is your top hinge with the jamb side being more important than the door side. A door’s weight is resting on the cutout grooves on jamb and door.

Should a fire door have 3 hinges?



All fire doors are required to have 3 hinges, which must be fire certified. All fire door hinges should be CE marked along with a fire identification stamp which are easily visible.

Why are there two hinges at the top of a door?

6 inches down from the top of the door and 9 inches up from the bottom! this is because of the optical illusion created by the eyesight of ‘Foreshortening’ when looking down at the bottom hinge. The middle hinge is always placed equally between the two.

Can a fire door have 2 hinges?

Because of the weight of a fire door and to prevent it warping, fire doors are usually fitted with three fire door hinges. The current BS EN standard does, however, allow two hinges in certain circumstances. There may be documentation that was supplied with a fire door giving you all the necessary information.

What grade should fire door hinges be?



It is recommended that the maximum in-service torque for a set of two, three or more hinges when installed on such doors should be 3 Nm for grades 1 to 7, 4 Nm for grades 8 to 11, and 5 Nm for grades 12 to 14. Hinges for such applications should be carefully selected.

What does grade 13 on a hinge mean?

Grade 13 Ball Bearing Hinge, Square (Max Load 120kg). The most popular type of door hinge on the market today. These are a perfect choice for when you have doors of 40mm or 44mm firecheck, internal or external. They have a CE mark and are Certifire tested. Suitable for industrial, commercial and domestic use.

What is a Grade 7 hinge?

Grade 7 Ball Bearing Hinge (Max Load 40kg). They have a CE mark and are Fire door rated. BS EN 1935 rated. Ball bearing hinges have always been very popular for their smooth operation, durability, long lasting design and ability to carry heavier loads than washered hinges.

What is a Grade 14 hinge?

Pair of high performance hinges with the highest grade (Grade 14) meaning hinges have been tested to 200,000 cycles and can support 160kg door weight.

Are Grade 13 hinges fire rated?



Grade 13 Fire Door Hinges available in a choice of Satin Stainless Steel, Polished Stainless Steel or Brass Plated Stainless Steel finishes. Security pinned caps, these high quality hinges are fire tested to BS EN1634-1: 2000 – FD60 timber and FD240 steel. Sold as pairs.

Are Grade 11 hinges fire rated?

The fire door hinges are Grade 11 rated under BS EN 1935, so have been to 200,000 cycles and can hold interior doors that weigh up to 80kg. This product has been fire-tested for an hour on timber doors.