The striker fails to penetrate into the door jamb because the door.
New door lock not latching.
If not do the lipstick test smear lipstick on the latch and stick masking tape to the strike plate.
Sometimes you can clearly see the misalignment.
Some exterior door locks are designed to automatically lock when the door closes.
It s a reflection of the durability of the internal door lock types not the amount of security they provide.
When a door latch won t catch it s because the latch doesn t align with the hole in the strike plate.
Slide the latch in and out to see if it moves smoothly and if not the door knob may be too tight.
When the doorknob doesn t latch completely and the door won t stay closed the fault usually isn t with the knob but with the strike plate.
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How to fix a door that will not lock.
Try applying wd 40 or a silicone lubricant if the latch is still catching in the door.
When your door doesn t latch the problem may not be with the latch itself.
If not there is more to look for.
Step 3 align.
One common problem that is associated with door knobs is that the latch will seem to be stuck or not move easily.
Locks that are grade 1 offer the highest level of strength and security.
How to adjust a doorknob so that it will stay shut.
There are 2 remedies for this that will help get the latch moving again.
How to fix a door that won t latch shut in 2 min click show more for all the links as a professional locksmith it s something that i do regularly so.
Latch does not move.
While it is possible it isn t functioning properly or is out of alignment it.
This can cause the latch to stay inside the door whenever the door knob is turned.