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.
Fitting a front door lock.
Expert tip fitting a night latch that is british standard approved will improve the security of your door.
If you only fit one lock go for an automatically dead locking night latch made to bs3621.
As a rule the more levers pins or discs that a lock has the harder it will be to pick.
Fitting a front door rim lock fitting a rim lock the yale type lock on your front door is fairly straight forward.
For front doors it is best to fit two locks a mortice deadlock about halfway up and a night latch one third of the way down the door.
Take care with the marking out and drilling to ensure excellent results.
The key to success is getting the hole for the cylinder in the right position.
If you don t get this precise the lock may not fit properly.
To install this lock see section 4 below.
Interior doors are usually fitted with a mortise lock with a latch operated by the door handle or knob.
Position a mortice deadlock about halfway up the door and fit a night latch on your front door one third of the way down.