The Guardian is fitted with a 3-wheel Keyless combination lock and a 11-lever Key lock. Both locks are protected by a glass relocker. The relockers are further protected by drill resistant hard plates.
An additional ‘Live’ relocker is fitted for further protection.
The door is secured by 3-way moving steel bolts with 32mm in diameter. A full length docking bolt secures the back edge of the door.
The Guardian is fire resistance tested in accordance to section 8.5 of the Japanese Industrial Standard JIS S1037-1987 for 90 minutes fire rating.