How To: Install A Patio Door Lock

What you will need

  • Patio door lock
  • Power drill with suitable sized steel drill bits
  • Posidrive screwdriver
  • Measuring tape
  • Safety glasses
  • Pencil


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  • 1 Patio door locks are a great way to give you extra security in the home.
  • 2 Close the door and choose where you want to place the lock. When deciding on where to fix your lock, make sure you pick a spot that will clear the glass and the door rolling gear.
  • 3 Make sure the lock is unlocked and place it on the main frame of the door, 2.5mm from the face of the sliding frame. Mark and drill the holes for securing the lock to the door frame. Secure the lock in position with the screws provided.
  • 4 With the door closed, push the end of the bolt to mark the centre of the hole to be drilled in the sliding door frame.
  • 5 Once the position is marked on your door tale your drill bit (as per size in instructions) and carefully drill. Make sure you drill nice and slow as you don’t want to drill to the far side of the door. Fit the ferrule into the hole to complete the job. Top Tip: For extra security, fit a lock at the top and the bottom of the door.