How Many Hinges On An Internal Door

Light weight internal domestic doors may be fitted with only 2 hinges.

How many hinges on an internal door.

References stanley hardware. A pair of hinges is two complete sets of hinges as displayed below. Regular hollow core doors need only 2 hinges. Doors up to 60 inches need 2 hinges.

Fire door hinges are manufactured very well so they can do what they need to do in case of an emergency. Doors over 90 inches but not over 120 inches 4 hinges are recommended. As a general rule you will want to use 1 hinge per every 30 inches of door or fraction thereof. For doors over 2200mm tall then four hinges can be used to prevent warping.

Usually at least 3 hinges need to be fitted on a door. Doors with a security function need to have at least 3 hinges as this makes them more difficult to force. Most doors have three most hinges today are sold in pairs. The chart below will provide you with the number of hinges that are needed based on the height of your door.

A couple things to make a note of before purchasing your door hinges. However this changes when you come to doors like fire doors the hinge class that is needed will increase. But normally it depends on the weight of the door. Referring to door height.

Standard internal doors i advise 3 x 3 roller bearing hinges per door top hinge set 6 from the top of the door bottom hinge set 9 from the bottom of the door and finally the middle hinge set halfway between the top and bottom hinge. Standard 60 doors typically require three hinges but anything taller than that may require more. Size of door doesn t matter besides it would. Fire regulations require fire doors to be fitted with 3 hinges which must be 4 inch fire certified hinges.

Generally for normal internal doors you should only need between a 1 and 4 hinge class. Center hinge is equally spaced between top and bottom 3. To roughly between 5 to 8. Doors over 60 inches but not over 90 inches need to use 3 hinges.