My Back Door Wont Lock

The door has probably dropped a little so that it is no longer perfectly square at the corners.

My back door wont lock.

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Cold weather upvc door lock won t lock or shut properly. Even upvc doors can drop. Also if the latch or lock bolt is broken the door lock will be jammed. You may want to call on a local installer to do this if you are unsure.

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. As the last trade has said the door probably needs re packing. You need to replace the lock and or adjust the locking parts. 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.

Each of these door lock problems has different causes but the end point is usually the same. Don t use a wet. One common reason for a door lock jamming is the buildup of debris that clocks the internal mechanisms. A door that doesn t close correctly.

Slide the key in the lock and tap lightly on the key to lubricate the inside of the lock. Where the door closes against there is usually either a track or little bits of metal where the door locks to. Flip the key and open the door. If your doorknob mechanism fails internally you can t repair it.

Spray the door key with a graphite based lubricant. 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. Hot warm weather upvc door lock won t lock or close. Answered 23rd oct 2013.