The mechanism can also be to blame when it comes to your upvc door not locking.
Upvc door will not lock.
This will cause only further damage and make repairs harder and costlier.
This means that there are a few points of failure when it comes to diagnosing the issue.
Make sure adjust all of your upvc door s hinges otherwise it still won t close and lock properly.
If your upvc door won t lock even when still open this is usually because of the following reasons.
Upvc gearbox failure most common multipoint lock is damaged door alignment issue problem with lock cylinder door lubrication is required.
If you have any lock mechanism issues it s best to leave the repair.