DIYHome Improvement

How to fix a Door Lock that won’t lock?

Are you annoyed by a door that won’t lock? It is a reasonably typical issue that results from a misalignment of the latch and striker plate.

After putting up with it, you have to fix a door lock that won’t lock. The door may stop latching entirely at a certain point. It’s usually caused by a loose hinge or frame, which causes the door to lean and prevents the bolt from engaging the strike plate as it should. You may have previously adjusted the hinges. But if they’re scraped or damaged, it will not work.

You can get the door to work correctly by attempting a few simple adjustments on the plus side. Don’t discard the lock components just yet. You can contact the Lockout service in Melrose Park if you have been locked out by a stuck door.

Steps to Fix a Door Lock that won’t Lock

Try to find the Problem.

The door may not close properly due to a latch that lowers the striking plate, a lifted strike plate, or loose hinges.

Shut the door and carefully observe how the latch latches into the striking plate to look for misalignment issues. You’ll need to change the height of the strike plate if it latches too low. You can also read this post to fix a door with latching problems.

Lower the Strike Plate.

  • A latch that rests too low on the strike plate is a frequent issue with door locks. If this is the issue with your lock, test if the latch aligns perfectly by lowering the plate.
  • While holding a long blade, lightly hit the bottom lip of the strike plate with a hammer downwards. It should lower the strike plate to make room for the latch.

Check the Hinges

  • The sinking of a door due to loose hinges might damage the door’s locking mechanism.
  • Adjust any loose screws on the hinges with a screwdriver. The screws should not be too tight, as this will impact the door’s movement.
  • If the door still doesn’t latch after tightening the screws, unscrew the hinge screws and swap it with a lengthier screw. It should draw the door jamb in on the hinge side. It enables the latch to lie securely in the strike plate.
  • Swap one screw at the top hinge to elevate the latch if the issue is a latch that rests below the hole. Replace one screw at the bottom hinge to reduce the height of the latch.

Increase the size of the strike plate hole.

If adjusting the hinges and lowering the strike plate does not fix the door lock. You’ll need to detach the strike plate from the lock jamb and change its hole size to fit the latch.

  • Remove the screws that secure the striking plate to the lock jamb with a screwdriver. 
  • Insert a metal file into the striking plate hole. Then, slide the file back and forth against the strike plate’s bottom lip.
  • Depending on the latch’s position, scrape as much metal as you need from the strike plate. 
  • The objective is to make sufficient room for the latch to fit between the strike plate and the latch.

Change the position of the Strike Plate.

  • If the door still doesn’t lock, try moving the strike plate to a different location. 
  • Remove the two screws that connect the strike plate to the lock jamb with a screwdriver.
  • Ideally, the plate should be repositioned so that the latch hole does not intersect the previous screw holes. To do so, place the plate lower than the former screw hole.
  • Using a pencil, indicate the new location where you wish to place the hardware while holding the strike plate against the jamb.
  • Outline the location of the new screw holes on the jamb using the screw holes on the plate as a template. It will come in handy later when drilling and installing the hardware.
  • Be sure to draw a line down the bottom lip of the strike plate in designating the appropriate screw hole location. It will aid in chiseling out the new location for the plate to be installed.

Replacing the Screw Holes

  • Apply a small filler in former screw holes with a knife. 
  • Next, insert the filler as deep as possible into the old screw holes. Fill the bottom screw hole using the same procedure.
  • After the filler attaches to the screw holes, using a knife, trim the filler’s hanging sides so that it is even with the last screw holes.
  • Create a minor hole in each of the placements you specified previously with a drill machine or a hammer and nail. It will aid in the drilling bit’s guidance.
  • Raise the extent of the holes where you will drill the next screw holes. Add a tiny drill bit to drill the new holes deeper by gently following the holes you drilled previously with the nail.
  • The idea is to gradually expand the screw holes until they can accommodate the screws while safeguarding the jamb from harm.

Put the Strike Plate in Place

  • Lightly trim along the specified line with a knife. The objective is to chip off the small bit of wood to make room for the strike plate. 
  • With the piece of wood out from the way, use the knife to carve a neat wedge for the bottom half of the strike plate to fit into.
  • Examine the striking plate’s fit in the new location.
  • Insert and fasten a screw into the new screw holes to secure the strike plate to the jamb.
  • Shut the door to check that the latch works properly.

Also Read: Understand Importance Of Trendy Packaging

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