When a door is hung square and plumb its hinges are aligned and the door will stay in place when partially or fully opened.
Door swings by itself.
This causes the door to swing open or closed by itself.
How to fix a door that opens by itself.
The side door of my garage swings shut by itself.
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.
Remove the door casing decorative trim around door.
A typical situation is that i ll walk into my garage without putting the light on just to grab a tool on the other side.
Reinstall jamb and door so that it is plumb and level in both directions then.
Have to walk back to the door to turn on the light.
Before i can grab it the door closes and i m standing there in the dark.
The bent pin should keep the door from swinging open on its own.
Remove the door jamb by cutting the nails behind jamb with reciprocating saw or hacksaw blade.
There are two ways to fix this problem.