How To Install A Mortise Door Lock

Trade expert michael demonstrates how to quickly fit a 5 lever security mortise 5 lever mortise lock and handles in this easy diy video by studhawk.

How to install a mortise door lock.

Measure up from the finish floor 36 inches or the height of other knobs in the house and mark the door s edge. First you need to make sure the door stays steady. The brace is a u shaped steel hand tool that has a wood cap on one end and a bit chuck on the other. Measure up the side of the door from the bottom.

Step 1 steady door. In the early days the pocket was cut out using a brace and bit. Hang the door on the jamb. With a square extend this mark across the door s edge and 3 inches onto one face.

Step 2 mark lock position and outline. Using a router attachment remove the wood between the pencil lines drawn on the door edge to create a mortise for the. Draw a line centered through the tracing of the. Step by step instruction to install a mortise lock.

Fit the latch and faceplate into the door. Open the door halfway and tap two shims one from each side between the floor and the door bottom to hold it steady. A mortise lock is generally a bit more involved as you will need to cut out the mold in the door itself. Begin by determining the height of the lock on your door.

To install a mortise lock into a wood or composite door requires a pocket drilled into the edge of the door with the centerline of the door prep at 39 3 16 above the finished floor. Place the lock faceplate in line with the markings already made on the door edge to determine where. Of course if your door already has a mortise lock then upgrading to an electronic mortise lock is super straightforward you can just replace the existing one with an electric one of similar dimensions and there is no need to change anything else. Easy to follow instructional video on how to install a mortice lock in a timber door.

Use a bevel edge chisel and hammer to square the corners of the mortise if the faceplate has square corners. Hold the lock against the door with the. Make a mark on the side of the door at 36 inches. How to install a mortice lock step 1 mark position.