Saturday, June 18, 2011

The Iron Guard of comfort and coziness

Vladimir Mikhailov Protection country house should be comprehensive. So that one day you do not have to return to the "beggar's nest, there should be an effective alarm system, CCTV. But do not forget about the means of mechanical protection. Without a solid door and equipped with a security lock, all electronic achievements of humanity may be futile. They are only after the fact tell you about the robbery. Incidentally, to acquire a good door should think and if you plan to insure your home. Yeah, yeah, do not be surprised. Strengthening the mechanical protection, you can save on insurance (or receive a significant discount). In addition, the robbery - a very unpleasant thing: the cost of lost property to you, of course, be reimbursed, but nobody spent the nerves do not compensate. Magic canvas Power armored doors can be made of separate welded together steel sheets or from a single metal sheet, bent into a complex profile. The latter option appears on the market today are increasingly and rightly is in high demand among consumers. Strengthening the mechanical protection of their own home, you can save on insurance, getting a big discount. The use of curved profile, made of steel sheet thickness 1,8-2 mm, lets make a door greater strength with minimal increase in its weight and, furthermore, to establish two contour seal around the perimeter of the door, which improves heat and sound insulation properties of the structure and integrity . In order to improve structural strength from the inside frame of the door leaf reinforcing ribs. They are usually also made of steel. The system of stiffeners can be longitudinal (vertical only), transverse (horizontal only) or combined (vertical plus horizontal or inclined). It is believed that the vertical ribs are best resist twisting loads, that is not allowed to bend the upper or lower corner of cloth in case of burglary, and horizontal - an attempt to squeeze out of the door frame or push the door. "Mixed" system has the advantages of both systems first and second types is optimal. Inner cavity leaf filled with heat and soundproof material which is fibrous, tough or monolithic (especially common mineral wool, polyurethane foam, Penoizol, etc.). In rare cases, as a filler, a special concrete, which improves the properties of anti-burglary doors, but, of course, increases its weight. However, no matter how quality may be filling the frame, for a complete thermal and sound insulation recommended to be laid along the perimeter of the door seal, it is better if it is still frost-resistant. Union with a box of door leaf is hung on the box - the profile (integral rolled pipe) or made of bent sheet in the form of two letters "P", inserted into each other. Increased reliability have doors with solid protivosemom. They have a closed edge of the cloth comes in a box entirely, making it a whole that can not open the door the most popular with Russian hackers tools: a crowbar, a sledgehammer or a grinder. In addition to excellent burglary characteristics, this design has a higher heat and sound insulation properties compared to conventional metal door. Good solution can also be considered to install a special metal wing, closing the gap between the frame and the doorway. For fastening cloth to the box using a loop. Past are open (outdoor), hidden and half hidden. Open loop virtually no limit door opening angle, but they have weak anti-burglary properties. System with concealed hinges, good defending home from burglars, do not allows to widely open the door (the principle of car doors). Semi-concealed hinges - a sort of middle ground. They do not interfere with opening-closing doors and at the same time will be "hard nut" to intruders. Very "advanced" solution are adjustable hinges. They make it easier to build structures and avoid sagging cloth during the operation. Another important element is a steel door - protivosemnye pins or, as they are called, fixed crossbars. In different models of them can be from two to five pieces, each dug into a box on 1-2,5 see these pins are not allowed to remove the door, even if they cut down the loop. It must be noted that the price of high quality door with a full range of "clever stuff" can reach several thousand dollars. And sometimes the cost increases already in the process of installation. For example, if you have to install additional protection mechanisms or seriously modifying the aperture. These costs have to be ready. Because at stake is your safety. However, residents are well protected cottage communities, perhaps we should not spend money on supervzlomostoykuyu door, one of its kind able to scare off any burglar. But beyond "a sheet of tin" is also not worth it. Living in such a door, you will find no psychological tranquility and comfort. Mounting on mind According to psychologists, the need for security is a basic for human beings. Do not believe me? Try to sleep in a city apartment with the unlocked front door. Mind you will understand that the robbers do not go to the entrances and not pushed all the doors in a row - suddenly someone forgot to close. But the subconscious is not likely to rest in peace. When you select a door should be tailored to suit the doorway. If the house is made of aerated concrete, powerful and hard to bend, weld, probably will not work - the gap may begin to disintegrate. Fortunately, this problem can be solved. So, you can order light from a thin steel door (but the protective properties of this design, of course, leave much to be desired) or increase the gap - for example, break down of the wall, which is expected to strengthen the door and put it again from the bricks. Some firms to enhance design uses so-called response frame (as a corner) attached by anchor bolts to the wall of the apartment. This frame is welded to the door frame, and eventually box and frame to compress as an opening on both sides, significantly increasing the stiffness of each other. Attaching the door to a brick wall also has its own peculiarities. In particular, the steel pins or bolts, by which the casing is attached to the brick doorway, as deepened into a wall. A welding pins to pass through the box. Alternatively, when they are designed as "antennae" is considered less reliable. It is desirable that the size of the door frame to closely match the size of the opening, taking into account gaps to install doors on a level. If you do not want to order a door, and going to buy a ready option - be prepared for problems. Most likely, after the installation will remain large gaps, which in future will have to plug the bricks or pieces of foam, after which the plaster. But the practice shows that from an aesthetic point of view, such a solution is not ideal. The ideal "closed" Choosing the front door, you need to first look at the quality of the castle. If it is low, you do not help either thick steel blade or protivosemnye pins, no additional reinforcement of the opening. It is no accident experts argue that the value of a good, secure lock can, in some cases exceed the cost of the door, on which it is installed. By construction, the secret part of all modern locks can be divided into mechanical and electromechanical. The most popular are the mechanical devices which, in turn, on a design are lever and cylinder. Lever locks consist of a set of plates (levers) that are being built under the influence of the key cogs in a well-defined positions, can open a lock. If you do not match at least one locking levers will not open. The more levers, the harder it is to open the lock. Additional protection for the lock mechanism allows the use of bronenakladok, protecting it from drilling. The disadvantages of lock lever type has traditionally been relatively low privacy (compared with cylinder locks), as well as some bulky keys. Unnecessary "bells and whistles" on the locks, that is complicating the construction of the castle system as inappropriate, as well as excessive savings. We strongly demand an explanation from the seller that, and what you need. In cylinder or pin tumbler locks function of the secret mechanism performs a series of movable pins, plates or discs, made in the secret parts - the cylinder. These pins should line up the key in strict order of height. The level of secrecy lock depends on the number of pins, their location within the cylinder, the number of possible combinations of height and precision of the individual elements. Cylinder locks are especially in demand because of the ease of use and replacement. For example, if you have lost your key, you do not have to replace the entire lock mechanism, but its secret part - cylinder (larva). Of course, these locks are not without drawbacks. So, the secret part, is virtually impossible to hack through the spikes, it is possible in the presence of certain criminal experience to knock out the door. Variety of cylinder locks - locks disc. In them the secret part is made of several plates, the angle which is defined grooves on the key. This design provides a sufficiently high degree of privacy (several millions of combinations!) And makes it virtually impossible to lock picking through the spikes. However, the disadvantages of disk locks are the same as in all cylinders - vulnerable to knocking, drilling and other security methods of exposure. Thus, to protect the full program, should be set at the front door two locks of different types: lever and cylinder. This is to ensure that a potential thief could not use the same approach in opening locks. As the main, tend to set locking lever type (especially in cases where there is the possibility of entering the cottage through a window). If the windows are protected from looters (for example, with shutters, which will be discussed in a subsequent publication), the main lock and cylinder can be made. However, it must be a power cylinder lock specially designed for installation in power armored doors. In fairness it should be noted that there are also combination locks. In the case of similar products at the same time two sets of lock mechanism - lever and cylinder. Lever provides mechanical resistance of the door and cylinder can not open the door to the method of selection keys or the use of master keys. But it is better to install two different locking devices. After all, in case of breakage of the combined mechanism of action will come at once both locks. Beauty is not forbidden is believed that the door is better to choose plain. "Iron Beauty attracts too much attention. Meanwhile, it should adopt a primarily owners of city apartments. They in fact can hide behind a modest door is very expensive apartment. The cottage complex. In size and external decoration at home, you can easily form an idea about the welfare of his host. Therefore, when choosing an entrance door to the cottage in particular should not be shy. Do you want an exclusive, elegant finished version - please. The main thing - do not forget about the technical characteristics of the structure. In any case, it is necessary that the door was strong and has excellent anti-burglar qualities.

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