Roller Shutters & Security Doors Craigieburn

Door security is the use of physical or electronic devices to prevent unauthorised access to premises by intruders. These include locks, locksets, bolts and deadbolts. Door security consists of a wide range of measures designed to strengthen doors and protect premises from the extremes of weather, fire and crime. They include door threshold guards, door-open detectors, smoke alarms and burglar alarms. Door security is used in commercial and government buildings, as well as in residential settings.