How To Install A Mortise Door Lock

Use a bevel edge chisel and hammer to square the corners of the mortise if the faceplate has square corners.

How to install a mortise door lock.

Hang the door on the jamb. Measure up the side of the door from the bottom. Measure up from the finish floor 36 inches or the height of other knobs in the house and mark the door s edge. How to install a mortise lockset and door knob 1.

Step 1 steady door. The brace is a u shaped steel hand tool that has a wood cap on one end and a bit chuck on the other. Make a mark on the side of the door at 36 inches. 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. With a square extend this mark across the door s edge and 3 inches onto one face. 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. Since you are going to do a lot of hammering and drilling ensuring.

Fit the latch and faceplate into the door. Begin by determining the height of the lock on your door. Tap a wedge under the door to steady it. 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.

Draw a line centered through the tracing of the. How to install a mortice lock step 1 mark position. Using a router attachment remove the wood between the pencil lines drawn on the door edge to create a mortise for the. Place the lock faceplate in line with the markings already made on the door edge to determine where.

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. Step 2 mark lock position and outline. Hold the lock against the door with the. In the early days the pocket was cut out using a brace and bit.