The doors are protected from uninvited guest who can make our house a lot of harm. Due to the purchase should be thought out, especially when it comes to the front door, which is moving from the garage to the house, and those at the rear, which exploit only the residents of the house.
In addition to the well-chosen door are important and castles that are in them.
In the case of security doors, they both receive a certificate, and castles that are in them. In some models at the castle, at the bottom, the hinge may be less than twelve bolts and pins extra locking mechanism, which closes at the same time as the pins.
The task of a typical door lock is to hold the - a task that meets the flap, which moves the closing handle and using the valves, otherwise the lock, which is a key mechanism in motion.
Whether and how the castle is safe decides blot. This safe is fixed and can not move from the outside. Bolt at rest, immobilize a single valve or several valves. It was the type and total number of crucial importance to the safety lock and thus the door.
Locks should have certificates. Designation A, B, C, betray, as resistant to data thieves and locks the door (top C).
The two sides are locks fittings, in which the fit is the handle or knob. The choice we have two types of fittings. Sign, the first of them is a metal plate, whose edges are bent at right angles. From the top there is a handle or knob at the bottom of a hole for a lock. The second type of hardware-rosette - two elements-handle or knob is located on a circular or rectangular plate, where there is a hole for the lock or knob, such as the door to the bathroom
2.