A surface-mounted multipoint lock enhances the security of a home or premises by reinforcing the locking of a door or window. Surface mounting facilitates its installation.
Surface-mounted multipoint locks have certain characteristics to be aware of.
- As the name suggests, they are designed for surface mounting. Therefore, the espagnolette and rods are visible.
- They are easier to install because their installation does not require any modifications to the edge of the door. This type of lock is therefore more suitable for renovation work.
This security device consists of various elements:
- a box installed on the door houses the espagnolette and the cylinder of the lock;
- two metal bars called rods slide along the length of the door;
- the bolts at the end of the rods fit into strike plates installed in the floor and in the door frame when the door is locked.
Different parameters need to be considered when choosing the device:
- some models are equipped with a cylinder integrating protections against picking, bumping, or drilling;
- the key can be flat, with points or notches, pump-style, or electric for optimal security;
- the number of locking points determines the level of security;
- some models feature a handle locking system, while others have a pull locking system.
The A2P standard classifies available models into 3 categories based on their resistance to picking, bumping, and drilling. This resistance to attempts of break-ins is evaluated in minutes:
5 minutes for A2P* models;
10 minutes for A2P** models;
15 minutes for A2P*** models.
Some useful tips help ensure proper installation of this security equipment.
- It is recommended to reinforce the door frame. Indeed, it would be a shame to install effective equipment only to find that burglars managed to enter because the door frame was not strong enough.
- It is advisable to check the insurer's requirements regarding the type of lock to be installed.
- Installing strips can hide the rods fixed on the edge of the door.
Ultimately, installing a surface-mounted multipoint lock is an option to optimize the security of a home, but the choice of equipment depends on the desired level of security (A2P standard) as well as the direction in which the door opens.
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