If the latch doesn t spring out the springing mechanism may have failed and would need to be replaced.
Upvc patio door wont lock.
If the latch springs out it may be out of alignment or shifted slightly.
Each time you vacuum your floors use a small brush attachment or cordless vacuum to clean the sliding door tracks.
A door that doesn t close correctly.
Common problem with upvc door lock.
Open the door and press the latch with your finger.
If it isn t closing correctly you might notice that the hinges or the frame of your door has been damaged causing an obstruction that means your door can t close correctly.
Easy way to test door lock is to open door and try locking it in this position if it locks then that is fine so you will need to toe and heal it.
Hot warm weather upvc door lock won t lock or close.
The most common cause of a sticking patio door is debris in the lower track.
Cold weather upvc door lock won t lock or shut properly cold and freezing weather will cause a upvc door to not lock or close properly this is due to contraction of the upvc the shrinking can only be 1mm o r 2mm but is enough to stop your door from locking.
This upvc door shrinkage and expansion can make it difficult for you to lock your doors.
If you ve noticed your door isn t locking as it should this may be due to a problem with the locking mechanism or the handle itself.
What happens is that the locking points and keeps misalign making the door harder to open and close.
This channel easily becomes clogged with dirt and leaves because people and pets walk over it whenever they go in or out.
Faulty euro cylinder another very common issue is a faulty key cylinder.
You may want to call on a local installer to do this if you are unsure.
Giving an insight into what to do with a faulty upvc door.
The door drops or moves over time and ends up moving the locking points to the point the door doesn t lock anymore.
Giving an insight into what to do with a faulty upvc door.
In some cases we ve been unable to open a door because a door has dropped so much.
Answered 23rd oct 2013.
We see a lot of upvc doors dropping over time which is similar to a wooden door warping as the same issue applies to both doors.
Dropped door this is probably the most common reason why your upvc won t lock when closed.
As the last trade has said the door probably needs re packing.