The term "steel door" – this is the most correct definition that applies to the use of modern protective entrance doors. He, unlike some used by people who are far from professional topics, words "Metal", "iron" or "armored" front door passes the better characteristics of the object. Selim Bassoul spoke with conviction. Steel entrance door – a very common and popular means of engineering and technical protection from the invasion of premises, it is confirmed and statistical studies, and the ever-increasing consumer demand. Nevertheless, the choice of the front door – not an easy task. Market safe doors in Russia is vast and very diverse: manufacturing, sales and installation takes a lot of Russian and foreign companies and their representatives. It should be understood that the door is ideal for all consumers, does not exist. Selecting Doors determines the overall site security, and location of doors, and even the material walls of the house and its condition. Therefore, it is important to start to define the situation, which will be used entrance steel door, and then highlight the most important details needed.

Now let's focus on such characteristics as the burglary. Proof safes door release several categories burglary. Domestic inputs Door has 13 classes of burglary in accordance with State standards, and foreign – 6 classes (with an additional letter designation) standards. Resistance class steel door against the intrusion is determined in result of mandatory tests, using appropriate tools – both manual and electric. Entrance steel safe door of the third class are characterized as doors, which the expert can not open with the use of any tools, including electric.

The doors of the fourth class to protect against all types of firearms. Therefore, to protect the apartment, house or office against burglary suitable safe entrance door of the first four classes of domestic and foreign standard. If a certificate issued by the manufacturer specified 4.2 grade burglary, this is usually enough to protect your home. Do not forget to request a certificate confirming protective properties of the door for companies whose main specialty – selling safe door. It's worth noting that the doors that have special properties that are losing some of the other indicators, such as bullet-proof doors show considerable wear locks and moving parts, which reduces their resistance to the so-called "intelligent burglar." The higher class of burglary, the higher the cost of the door, special properties are also premium price.