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