A door that doesn t close correctly.
My back door wont lock.
Don t use a wet.
The complete lockset including the doorknob.
Slide the key in the lock and tap lightly on the key to lubricate the inside of the lock.
How to fix a door that will not lock things you will need.
One common reason for a door lock jamming is the buildup of debris that clocks the internal mechanisms.
If your doorknob mechanism fails internally you can t repair it.
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.
Each of these door lock problems has different causes but the end point is usually the same.
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.
Flip the key and open the door.
As the last trade has said the door probably needs re packing.
Where the door closes against there is usually either a track or little bits of metal where the door locks to.
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.
The door has probably dropped a little so that it is no longer perfectly square at the corners.
If your door is badly warped it may not seal properly even when you move the door jamb.
Even upvc doors can drop.
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.
Http bit ly rexmetalfile16pc gox rotary tool kit 140pc also works great for grinding.
Spray the door key with a graphite based lubricant.
You may want to call on a local installer to do this if you are unsure.
Cold weather upvc door lock won t lock or shut properly.
Hot warm weather upvc door lock won t lock or close.
You need to replace the lock and or adjust the locking parts.
Check the draft.