I recently changed the key cylinder in the upvc front door.
My front door wont lock.
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Even usual wear and tear can contribute.
First you will need to work on removing the broken key pieces from within the keyway of your door lock.
Cold weather upvc door lock won t lock or shut properly.
How to fix a door that will not lock things you will need.
2 hold the knob on the other side of the door and turn the loose knob clockwise until it fits snugly.
A locksmith changed my front door key last year.
After that when i close the door door auto locks inside meaning i.
Damp weather or heat may be warping it.
Ground that has frozen under the door may also cause it to not close properly.
Front door has to be locked from inside.
Every door comes to a time when it will not latch correctly and there are various reasons why.
Check the draft.
Upvc front door auto lock from inside but opens without key from outside.
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 can be caused by settling of the house improper installation of the door or damage caused by slamming or excessive use of the door.
Test it with a spare key and make sure that.
A door that does not stay shut is usually improperly aligned at the hinges or at the strike plate and latch.
Once the key pieces have been extracted the door lock should be examined.
You can tighten a simple interior mortise lockset like the one shown at left as follows.
Warping if the door cannot physically lock due to the frame or door being warped an adjustment of the strike plate could rectify the problem without the need of a new lock.
Here are the basic steps on how to fix this problem.
Hot warm weather upvc door lock won t lock or close.
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1 loosen the setscrew on the knob s shank.
The complete lockset including the doorknob.
3 if this does not help remove the knob.
Key will not work if you ve had a new spare key cut recently it could be a poorly cut key causing the problem.