A mortise lock in a very strong special locking system fitted to the inside of a door.
How to fit a mortice lock to an external door.
Difference between rim locks and mortice locks the difference between a rim lock and a mortice lock is that a rim lock is fitted on the surface of the door whilst a mortice lock is fitted in the door edge.
The body of the lock can be used as a template which you should hold against the correct position on the door and mark with a pencil draw around it carefully always keeping it central to the mark that you made.
Chisel a recess for the faceplate.
Unless you fit a bs 3621 night latch will require an additional lock fitted to your door to improve security such as a mortice lock.
Fit the lock into the door and secure using screws.
This will be your guide when drilling.
To prepare the mortice slot for the lock start by marking the centre of the thickness of the door.
Step 1 measure where the lock will fit on the door.
The minimum door width is 45mm or 1 75 inches.
As a guide the height of your lock should be about 1 metre high step 2 using your measurement mark out both the top and bottom of the latch step 3 measure and mark out a vertical central line.
Here are six things you need to know about mortise locks for residential door security.
When the mortice lock space is chiselled out insert the lock and outline the faceplate with a marking knife.
Chisel away a small amount of wood at a time to open the drill holes into a clean rectangular hole to fit your lock.
Fit the lock and check the positions of the door handle spindle and key hole adjust these if necessary.
Then mark and drill screw holes to fix it in place.
1 the mortise lock defined.