Many people know that there are both protective and armored doors. These definitions are quite satisfied with customers and often they simply do not see the difference. For example, armored doors are very popular throughout the country. However, it may happen that the seller under their view can sell the buyer a regular or not quite high -quality door to the buyer. In order to prevent this from happening, the article will give some features and characteristics of this product.
All requirements for armored doors can be found in GOST. However, this is for a long time and sometimes to find them completely problematic, therefore it is recommended to use documents: GOST R 50941-96, GOST R 5112-97, RD 78.147-93 of the Ministry of Internal Affairs of the Russian Federation and some others.
All armored doors have a different level of stability when hacking. It can be determined according to a special classifier. There are currently five resistance classes. If you rely on the standards, then the 5th grade will be hacking in about three hours, but the first one in forty minutes. Based on the named numbers, we can conclude that the armored doors should be installed both in residential premises and in offices, because their resistance is quite large. On sale you can find both 7, 6, 8 grades, which are installed with special need, for example, in banks or rooms where an increased degree of protection is needed.
The armored door itself is a metal design that contains a box, frame and outer door leaf. Often it is made of strong rods with a diameter of 16 millimeters. In addition, this design has a number of qualities that give the doors greater stability when hacking. For example, the inside of the door leaf is often filled with reinforced steelfibrite concrete.
