The armor of your door is a cheaper option than installing a new armored door. It consists of screwing inside one or two steel plates, getting reinforce it against possible frontal attacks. In addition, you can protect the entire fence of the door with several anti-lever anchors, to fix it to the partition, and even add anti-lever pivots in the hinge line. You can also install a new security lock, with several locking points or latches, aggression detection system, which automatically locks it, and a design resistant to attacks and opening attempts with false picks and keys.
To shield this door, a 1.5 mm steel sheet was placed, attached to a 4 mm wooden board. It was equipped with the Fisst Fortissime security lock, with four hook and two central latches, and automatic locking against attacks. Everything, including installation, 1.600 €;Fichet-Atocha Security.