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.
Front door wont lock easily.
First you will need to work on removing the broken key pieces from within the keyway of your door lock.
Don t use a wet.
Flip the key and open the door.
If that is the problem it is easy to fix.
Slide the key in the lock and tap lightly on the key to lubricate the inside of the lock.
You can spray a little dry lubricant in the lock to free up the plug so you can open the door.
Spray the door key with a graphite based lubricant.
Spray lubricant in the keyway and insert the key a few times so the lubricant can get worked into the mechanism.
When you use your door a lot you will begin to notice a little bit of play in the door knob.
Test it with a spare key and make sure that.
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How to fix a door that will not lock things you will need.
Once the key pieces have been extracted the door lock should be examined.
The complete lockset including the doorknob.
If your doorknob mechanism fails internally you can t repair it.
If not do the lipstick test smear lipstick on the latch and stick masking tape to the strike plate.
3 if this does not help remove the knob.
As the last trade has said the door probably needs re packing.
This problem is easily fixed with a screwdriver.
Locate the two screws that hold the door knob together and tighten them.
Sometimes you can clearly see the misalignment.
Here are the basic steps on how to fix this problem.
Check the draft.
Cold weather upvc door lock won t lock or shut properly.
Answered 23rd oct 2013.
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.
You can tighten a simple interior mortise lockset like the one shown at left as follows.
1 loosen the setscrew on the knob s shank.
If your door is badly warped it may not seal properly even when you move the door jamb.
If a dry lubricant doesn t do the trick you can try wd 40.
When a door latch won t catch it s because the latch doesn t align with the hole in the strike plate.
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This will keep the door knob from moving around and secure to the door.