Five-lever mortice deadlock
With a five-lever mortice sashlock or deadlock, the locking mechanism is morticed into a slot in the door and the strike plate is fitted to the door frame.
Rim automatic deadlatch with key locking handles
A Rim automatic deadlatch with key-locking handle is mounted on the inside of the door.
Cylinder within the lock connects to the keyhole on the outside of the door.
Multi point locking system
This is a rim-locking system that bolts the door into the frame and offers a higher level of security.
A multi-point locking system has a minimum of three locking points that all lock simultaneously by the turn of a key.
These are most common on patio or French doors - typically uPVC doors - and less common for main entrance points.
Euro Lock Cylinder
This type of lock is extremely popular and found on many different types of door locks and security applications.
A euro cylinder forms an integral part of many types of locks including multi-point locks used on PVCu doors and some mortice locks used on timber doors.