The hinge squeaks or it pulls loose from the door.
Door swing stop repair.
A door swinging open on its own can be a nuisance.
If the hinges are out of alignment for any reason the law of gravity dictates that the door will fall open or closed swinging on its hinges to reach its lowest point.
In most cases a door that either won t stay shut or open is the result of the pins or the shims behind.
When a door is hung square and plumb its hinges are aligned and the door will stay in place when partially or fully opened.
Spring loaded car door mechanism which makes a click sound when opening the doors.
The special hardware on this type of door allows it to swing in both directions and to close automatically.
A swinging butler door has no doorknobs only a metal plate for pushing the door open.
Instead try this much simpler fix.
How to fix a door that opens by itself.
Occasionally a butler door develops problems with its double hinge hardware.
If you have a door that swings all the way open every time you leave it slightly ajar the door frame isn t plumb.
The mechanism may be damaged and may require immediate repair.