Help needed: uPVC Door hinge adjustment

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14 Feb 2026
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Hello there - I've a 4-hinge uPVC door that is catching the frame towards the top of the doorway and needs adjustment.

I'm after some advice on how the hinges actually adjust though - it's not obvious to me and I've searched this forum and the interwebs on general for similar, but cant seem to find any info on them.

Have attached a few pics of the hinge for reference. They seem to have a black pin running through them with a hollow bottom (not Allen key-shaped) and an indicator line at the top.

Can anyone help out? Cheers!
 

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Last edited:
Yeah those two threaded holes are a mystery. There are no grub screws in any of the hinges (or in another similar door) so not sure what their purpose is. Will need to call a man out to assess I think.
Thank you for the responses.
 
How old is the door, judging by the squared off style of the hinge and the lack of adjustment I'd say it's not a modern door hinge, from my experience that's a hinge I'd expect to see in a 30 year old door. Most modern hinges are adjustable in at least 2D, the better ones in 3D
 

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