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Herein, what is a multipoint lock?

Multipoint locking systems are found on most uPVC and composite doors. They are the long strip which bolts in to the side of the door. It locks at multiple points along the frame, hence the name multipoint lock.

Secondly, how does a multipoint lock work? A multipoint locking system is used mainly on uPVC doors and Composite doors. The system is operated by the door handle or key and in some cases both the handle and the key need to be operated to lock the system. The lock its self sits inside a gearbox and can be replaced separately from the multi point locking system.

In this way, are mortise locks more secure?

A mortise style lock is the most secure form of an entry set. The reason? A special cut in the door allows a longer and thicker mortise to slide into the pocket in the door itself, providing superior protection.

How do you lock a multipoint lock?

To engage the multipoint lock, close the door and lift up the handle. To lock the door so that it requires a key to unlock it from the outside, either turn the keylock on the exterior or turn the thumbturn lock on the inside with the handle raised. Test the door to make sure it is locked.