How To Fit A Internal Door Lock

Using a square mark this centre line for approximately 4 100mm on the face of the door the pencil mark can be removed later with an eraser or damp cloth.

How to fit a internal door lock.

Begin by removing the screws from the door knob on the interior side of your door. This video is about how to fit a door latch and door handle in an interior door. Fit the wedge into the bottom of the door as close to the wall as possible. If the knob is to the right select a right handed door.

Turn the key so the locking bolt protrudes from the lock and hold the door against the door frame. First mark out the place where the strike plate has to be fitted. Remove the two screws from the latch plate on the edge of the door and remove the latch from the opening. Tools needed for this job.

If the doorknob is on the left you need a left handed door. Open the door and stand with your back to the hinges. Hold the door latch against the face of the door flush with the door edge and mark the spindle centre on your previously marked centre line see fig 1. Shake the door a bit to make sure it is secure.

Create a mortise and holes for your lock and door handle. Purchase a door stop or professional grade door wedge from a local hardware store or from an online retailer. This allows you to pull the door knobs off the door from both sides. In some cases door latch plate mortises might need to be cut or enlarged.

Mark out the strike plate on the door frame after you ve fitted the lock in the door you need to fit the strike plate to the door frame. Create a mortise for the plate around the latch on your door using the technique described above. If you re installing a pre hung door make sure you get the correct swing determined by the placement of the hinges and doorknob. Tape measure pencil flat drill bit for wo.