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Doing major renovation of their home, many owners are thinking about installing a new front door. Almost everything entrance doors Now they are made of metal. Therefore, to choose quality construction to your apartment, you need to understand a little about the technical characteristics and installation process of iron doors. You can learn how to choose and install an iron door correctly from our article.

Steel door

The main purpose of the front door is to protect your home from illegal entry. Therefore, for greater security, you should opt for massive metal doors made of thick sheet steel, with secure locks already embedded. Pay special attention to the hinges; they must be protected from cutting.

Metal entrance doors made of sheet steel come in three types:

• DS 1 – with one protective sheet on three stiffeners. The disadvantage is the lack of noise and heat insulation, so you will need to install a second door. The price of products with class DS 1 is about 10,000 rubles.
• DS 2 – has two protective sheets on three stiffeners. It is also equipped with three special locks that will not allow it to be removed from the hinges, even if they are cut out. When attempting to access the deadbolt system, the door will be locked using an automatically closing beam. The price for such models is about 20,000 rubles.
• DS 3 – sheets are attached to four stiffening ribs and have crossbar protection systems on the sides and top. DS 3 also contains a lock drilling protection system. The most reliable degree of protection will cost approximately 35,000 rubles.

Metal doors are not subject to mandatory certification. But if the manufacturer is confident in the quality of its products, they must meet the requirements of GOST 31173-2003 “Steel door blocks. Specifications"and have the appropriate certificate.

Heat and sound insulation of a metal door

In addition to the strength of the door, another important factor is its heat and sound insulation. After all, if every sound from the entrance is clearly audible in the apartment, and in winter the cold blows from the door, then living in such conditions is at least not comfortable. Therefore, when buying an iron door, purchase models that are already insulated by the manufacturer and equipped with rubber seals. Consider the price factor; the cheaper the metal door, the less attention the manufacturer paid to its heat and sound insulation. Trying to save money at the expense of a low price, you can increase the costs of subsequent insulation.

Metal door design

The next thing you should pay attention to is the type of external and internal decoration of the door. The range of designs for iron doors is large, from ordinary powder paint to non-standard finishing options with patterns or laminate cladding.
Remember that a beautiful design is not always an indicator of quality, and sometimes on the contrary, for beautiful design Manufacturers try to hide the low technical characteristics of the door.
Some interesting options you can look at the photo:

Manufacturers of metal doors

Our market offers metal entrance doors of both domestic and foreign manufacturers:

• • Chinese doors- they are the cheapest, but when purchasing them you should pay increased attention to the quality of the material from which they are made. Among Chinese iron doors, it is quite possible to find models acceptable for use; the main thing is to take into account the thickness of the sheet iron and check the quality of the fittings.

• • Products from leading foreign manufacturers are not cheap, but the quality of their workmanship is excellent. Thick steel, high degree of protection, pleasant appearance and reliable fittings are worth the money. The most common iron doors are Italian brands “Fbs”, “Dierre”, “Di.Bi”, which rely on the design of their products. There are also Israeli doors under the brands “Pandoor” and “Mul-t-Lock”, which offer high-quality doors with reliable locks.

• Entrance doors are a good option Russian production premium class: “Senator”, “Pro-Tek”. We are pleased with the reliable locks and the ability to quickly warranty service, vandal-resistant coating and tailored design. If you look for cheaper door options, then in the segment from 12 to 25 thousand rubles. There are many domestic manufacturers. Among them, we will highlight such companies as: “Le Grand”, “Torex”, “Condor”, “Guardian”, “Guardian”. Due to high competition, quality of service Russian companies is constantly growing, so their products can become the golden mean between price and quality.

Standard sizes of metal doors

When purchasing an iron door, it is important to measure the doorway correctly. In old houses, doors are installed in wooden box, which needs to be removed, so the width of the opening will increase after dismantling.


It is better to entrust the measurements of the opening to an experienced person, since it is impossible to make a mistake in this matter. It is better to choose the largest possible size for your opening, so that there are no problems with large items.
There have been cases when entrance doors were installed only 70 cm wide! According to SNiP 01/21/97, this violates fire safety regulations, since the front door is an emergency exit.

Many people prefer to make a door to order because they want to increase the opening. Plus, custom-made products have better quality locks that can be changed, a wide variety of finishes, and good thick metal.

Below are the standard sizes of entrance doors for apartments and houses:

• 860x2030 mm;
• 880x2050 mm;
• 900x2100 mm;
• 950x2100 mm;
• 1000x2100 mm and above.

Metal door installation

Having purchased an iron door, it is important to install it correctly. If you do not have experience in this type of work, then it is better to turn to professionals. Moreover, many stores that supply doors provide this service as a bonus upon purchase. So that you can control the installation process, familiarize yourself with the main stages of door installation:

• Dismantling old door- at this stage, the old fabric is removed from the hinges, the trim and door frame are removed, and the doorway from the remains of the solution or installation change.
• Installation new door in the opening - the box is leveled, set in the correct position and temporarily secured with wooden wedges.
• Final fastening of the frame in the opening - depending on the door model, the frame can be attached to anchor bolts or metal pins. Some models have additional fastenings in the form of metal strips that are attached to the wall with dowels. Be sure to ensure that the installers secure the box to all available fasteners.
• Filling gaps with foam - at the end of installation, the space between the frame and the opening is filled polyurethane foam. The drying period of the foam can be from five hours to a day.
• Processing of slopes - after drying, excess foam is cut off with a knife and the doorway slopes are made.

To reinforce the information, watch the video below:

Types of locks for metal doors

There are times when owners are not satisfied with the locks installed on their doors and want to replace them with more reliable ones. In such cases, you need to buy a new lock, but before doing this, familiarize yourself with the main types of door locks for metal doors:

• • Level lock - the design of this type of lock is one of the first invented by man, despite this, level locks are considered one of the most reliable. The principle of operation of the lever lock is quite simple. Its mechanism consists of plates - levers, which, when opened, are arranged in a certain combination on the key. If the combination does not match, it is impossible to open such a lock. The following brands produce lever locks for metal doors: “Barrier”, “Guardian”, “Elbor”, “Kale”, “Cisa”, “Mottura”, “Mul-T-Lock”.

• • A combination lock is a combination of two or three types locks in one mechanism. Combination locks are expensive, but are worth the price due to their increased reliability. The following brands produce combination locks for metal doors: “Guardian”, “Barrier”, “Elbor”, “Kale”, “Cisa”, “Mottura”, “Mul-T-Lock”, “Vachette”, “Asix”, “Iseo” "

• Cylinder locks - the main advantage of cylinder locks is the ease of repair and replacement of the lock. It is enough to replace the central secret mechanism - the “larva” cylinder. The principle of operation of a cylinder lock is quite simple and consists in arranging the pins inside the cylinder in a certain combination. Such locks are produced for metal doors “Kale”, “Cisa”, “Mottura”, “Mul-T-Lock”, “Vachette”, “Asix” , "Iseo".

Remember that no matter what type of lock you choose, installing it on metal door, a matter that requires certain skills and special tools. Therefore, if you are not confident in your abilities, entrust the work to specialists.

Save on your purchase quality door It won’t work out, so it’s better to save up for a reliable option than to buy the cheapest one. It is important to take careful measurements and, if necessary, increase the size of the opening to the safety standard.

The theater begins with a coat rack, and the house begins with the front door. The TAM.BY team is launching a new special project “Door Reception”. In it we will tell you how entrance doors are made, tell you which models are highly durable and reliable, and explain how to properly care for certain types of doors.

We’ll start by figuring out how to choose a high-quality front door. Alexander Petrovich, deputy director for development of the Steel Line company, the No. 1 manufacturer of entrance metal doors*, helped us with this.

The first factor to consider when choosing an entrance structure is where it will be installed. Doors for apartments and houses differ significantly in technical characteristics. They are being charged different requirements and are produced using different technologies.

How to choose an entrance door for an apartment?

A high-quality apartment door should have the following characteristics:

— reliable sound insulation: you should not hear the elevator opening or neighbors talking in the entrance;

— burglary resistance: the door must be strong so that it cannot be opened;

— tightness: a tightly closing door will protect you from cold drafts, as well as odors from the entrance;

— durability: it is important that the locks work properly, the coating of the handles does not wear off, the finish is not damaged, and also that the door closes softly and quietly all the time while you are using it;

— modern design : the front door is one of the elements of the interior, so it should be harmoniously combined with the decoration, furniture, and interior doors.

Each of these parameters is influenced by various factors that must be taken into account when choosing an entrance door.

Noise insulation

The noise insulation index for an apartment door must be at least 32 dB. This indicator is influenced by the thickness of the MDF panels, the number of sealing contours, the accuracy of the construction and the type of filler.

Metal transmits sounds much better than MDF. Therefore, panels should be installed on both sides of the door. The minimum thickness of MDF that will provide good sound insulation, - 10 mm. But panels with a thickness of 16 mm cope even better with this task.

The more sealing contours there are on the input structure, the more reliably it protects against extraneous sounds. A quality door should have at least two of them. But even ten sealing contours will not provide adequate sound insulation if there are gaps between the door leaf and the frame. Therefore, be sure to pay attention to the accuracy of the construction.

As for the filler, the best option is mineral wool. Its thickness must be at least 50 mm. You need to remember one feature of this material: due to vibration, mineral wool settles over time and allows noise to pass through. To avoid this, the filler must be fixed along the entire height of the door leaf.

Burglary resistance

Burglar resistance determines the reliability of the entrance structure. She is influenced various characteristics door leaf, frame, locks.

The first step is to evaluate the thickness of the steel: the optimal value ranges from 1.0-1.5 mm. Structures assembled using the method spot welding, stronger than those made using manual electric arc. The seams in the latter turn out to be fragile and over time the door may become deformed. But the most reliable structures are made using bending technology. This means that the canvas and the box are made from a single sheet of steel, bending it using high-precision equipment. The more bends, the stronger the geometry of the structure. The principle of automobile crash tests applies here: the more stiffening ribs a car body has, the more reliable it is.

Resistance to burglary also depends on the precision of the entrance structure. If there are gaps in it, an attacker can use a crowbar to reach the edge of the canvas and bend it.

It is important that the door is equipped with anti-shear bars and steel plates in the lock area. You also need a mortise armor plate for the cylinder lock. Unlike the invoice, the mortise armor plate is installed in the body of the lock, so it cannot be knocked down.

Also pay attention to the burglary resistance class of the locks: it must be at least third. Fourth class locks are even more secure. Products from Russian, Turkish and Italian production have proven themselves best. It is worth buying locks from trusted brands that have been on the market for a long time.

Tightness

If the door is sealed, it will reliably protect against drafts and foreign odors from the entrance. The precision of manufacturing the entrance structure largely determines its tightness: the smaller the gaps, the better. You also need a durable seal that does not wrinkle over time and does not require complex maintenance.

Pay attention to the tight fit of the door leaf to the frame. It is best to purchase designs with a rebate regulator. Thanks to it, you will be able to adjust the tightness of the door leaf and be sure that the door closes hermetically throughout its entire service life.

It is important that the lever lock has a cover with spring-loaded curtains. When closed, they cover the hole for the lock and do not allow air to escape from the entrance, which cannot be said about curtains without springs.

Durability

The service life of the entrance structure largely depends on the quality of the hinges. If something happens to the locks or handle, they are easy to replace. But if the hinges fail, you will have to buy a new door.

To ensure that the hinges last as long as possible, they need to be lubricated periodically. It is inconvenient to remove a heavy door leaf every time, so it is better if the hinges have special holes for lubrication.

The design of the hinges is also important. Over time, the house shrinks, which can cause the geometry of the opening to change. In this case, the hinges on the support bearing work unevenly and quickly wear down. Hinges with a steel sphere at the base are considered much more reliable. They are self-centering and continue to work evenly in any position.

The door to the apartment should not rust. Quality is responsible for this polymer coating. Before purchasing, pay attention to whether there are inclusions, hairs, crumbs or other changes on the surface. If you find them, you have a short-lived coating. Most likely, the door was painted manually in violation of technology. The first signs of rust will appear on the canvas within a year.

How to choose an entrance door for your home?

The door of a house, unlike an apartment, goes directly onto the street, and not into the entrance. Therefore, the input structure must provide good thermal insulation. It should not freeze and let through cold air even at very low temperatures.

Another one important characteristic– weather resistance. The door of the house is used in different climatic conditions: it is exposed to sunlight, frost, rain and snow. Therefore, the entrance structure must be made of weather-resistant materials.

Steel door

The main advantage of a steel door is high level burglary resistance. Other characteristics vary depending on the quality of the input structure.

When choosing a steel door for your home, pay attention to the sealing system. Mineral wool is not suitable for outdoor structures, as it absorbs moisture and loses its heat-shielding properties. It is important that the door has a thermal break: this will protect it from freezing.

Before purchasing a door, check with the seller whether there is a layer of insulation between the door leaf stiffeners and interior decoration. If it is not there, then the canvas will freeze along the ribs. Ice dams form where the metal parts that protrude into the interior of the house (called moldings) come into contact with the outer sheet of steel.

Remember that no matter how good a door is in terms of thermal insulation, it will not perform its function if it is not installed correctly. For any street structure, “warm installation” must be performed.

To prevent the door from rusting in high humidity outside, it must undergo a special anti-corrosion treatment. The threshold and joints of the box elements are considered the most vulnerable areas: this is where corrosion begins. The first rusty stains can be seen already six months to a year after installing the door.

Choose doors whose vulnerable elements are treated with a zinc-containing solution. Even more reliable designs made of galvanized or stainless steel. They are not afraid of atmospheric influences.

Door panels must be made of heat and moisture resistant MDF. This coating has a greenish tint. It's processed special composition and resistant to moisture.

Aluminum doors

Photo stroy-podskazka.ru

Aluminum doors and galvanized steel doors are a durable and strong option for your home and office. Such structures are not afraid of changes in temperature and humidity, are fireproof, are not subject to corrosion and distortion, and provide a high level of sound insulation. Aluminum doors also retain heat well, but they must have a thermal break.

The advantages of aluminum door structures include the fact that they do not require complex maintenance. It is enough to lubricate locks, hinges and other moving elements with machine oil or grease once every six months.

Aluminum entrance doors have only one significant drawback - their high cost. In addition, they are inferior in burglary resistance to steel structures.

PVC doors

Photo sp-kazan.com

Plastic entrance structures are rarely installed in residential buildings. They are more suitable for office and industrial premises. Nevertheless, PVC entrance structures provide good heat and sound insulation. In addition, they are resistant to any weather conditions.

Plastic doors are characterized by low burglary resistance, so installing them in the house is not recommended. In addition, the small variety of finishes is unlikely to allow you to choose an option that fits perfectly into the interior.

Wooden doors

Photo md-eksperiment.org

Entrance doors made of natural wood are suitable for those who love classics and elegance. But this is far from the most practical option for home.

Wooden doors are environmentally friendly and beautiful. In addition, unlike metal, wood is not susceptible to corrosion. However, doors made of natural wood have a number of disadvantages. They have low fire-fighting properties. But the problem can be solved by treating the door leaf by special means. Another disadvantage of wooden doors is their instability to external influences.

Due to fluctuations in humidity and temperature, the door leaf may swell or, conversely, shrink. This means that the structure will not close well. In addition, temperature and humidity affect the coating of a wooden door: it can crack and wear out. If these defects are not corrected in time, moisture can get onto the wooden panel and cause it to rot.

Proper care of your wooden door will help you avoid many problems. Remember that wooden doors do not withstand changes in temperature and humidity, so you should not place heaters, humidifiers, or air conditioners next to them.

If the covering of a wooden door is very worn out or scratches appear on it, it should be completely renewed. But it is better to entrust this work to professionals.

“Steel Line” has been creating exit doors for more than 20 years. We are known in 14 countries around the world. We antagonize the high quality of our animals and put our heart and soul into the stage of creativity. We thank our buyers for the title of creators of the No. 1 fashionable metal animals in Belarus*.

*based on the “Choice of the Year” competition

Choosing an entrance door is a rather important moment, since the safety of all the property of the house or apartment, and sometimes the life of the owners, will depend on its design. Today, the assortment of specialized stores is formed by many manufacturers presenting their products, which have wide range prices - from the most modest to very high. Therefore, you can always choose a door that will fully meet the capabilities of the homeowners.

The purpose of the front door is not only to protect the home from intruders, as it should prevent the penetration of external noise and cold air masses. In addition, there are models that can create a reliable barrier even to intense flames during a fire. How to choose a metal entrance door - advice from a professional - they are necessarily given depending on where it will be installed: at the entrance to the apartment or in a private house, as well as taking into account many criteria that directly affect the performance of this design.

Criteria for choosing an entrance door

To clarify all the nuances, we turned to the Moscow manufacturer of entrance doors, the ProfMaster company, where more than 80% of orders are individual production "to order", because this is the only way to choose a door without compromising on quality.

There is a list of main points that you need to pay special attention to when purchasing an entrance door:

• Installation location. The door can be installed on the street in a private house or at the entrance to an apartment, that is, in an entrance area protected from direct external influence. The choice of insulation material and external cladding will depend on this.
• Level of protection. Several aspects can be attributed to this criterion:

- the thickness of the metal used to make the door;

— frame design;

— the number of metal layers in the door leaf;

— the number of stiffeners inside the canvas frame;

- number and design of locks and hinges;

— presence of an overview element.

• Insulation material. To prevent the door from letting in cold masses and extraneous noise, it is insulated with mineral wool, polystyrene foam, polyurethane foam or cardboard. Some cheap models may have no insulation at all.
• Number of seals. They can be installed on door leaf or box, in one, two or even three rows. For fire-resistant structures, sealing contours made of special materials are used.
• Door weight. Quality product should be heavy, as it has reliable stiffening ribs and is made of high-quality, fairly thick metal sheet.
• A design solution that will harmoniously fit the door into the overall design of the facade if the door is installed in a private house.
• Fireproof qualities of materials, if you plan to purchase a door that has protection against the spread of flame.
• Vandal-proof coating is especially necessary if there are animals in the house that can scratch the door lining, or in an apartment where there is no combination lock at the entrance to the entrance.
• The door must have a quality certificate or product passport, which will indicate all its characteristics.

Assessment of the main characteristics of doors

The price of such products is quite high, but you can be sure of the safety that they will fully provide. Therefore, recently more and more apartment residents and house owners prefer this particular door option.

So, the design of the entrance doors must fully meet all the criteria for safety and comfort when opening and closing them, as well as satisfy homeowners in terms of its design. Therefore, when making a choice, you need to make a list of requirements for yourself in advance. door design requirements, and if the model meets them, then this option is ideal for a specific entrance to a building or apartment.

Choosing an entrance door is a responsible task that must be approached with the utmost seriousness. The front door is the main protection of property from intruders, but in addition to this, noise suppression and thermal insulation depend on the quality of the front door. The article will discuss the choice of a metal entrance door, since the popularity of this material is due to necessity and high quality characteristics.

Criteria for choosing an entrance door

Before purchasing such an important element of your home interior, study the main criteria for choosing an entrance door that you need to pay attention to.

• When choosing a door, the installation location is important. The technical characteristics of a door opening into a common entrance or directly onto the street from the house will differ.
• The security level of your front door is determined by many aspects and elements, which I will discuss below.
• The presence of insulation on the door will provide protection from the cold from the street and retain heat inside the room. The choice of insulation is not important, its presence is important.
• A metal door without a seal will knock loudly, causing damage to the door itself and the door frame. In addition, the insulation is responsible for the tight fit of the canvas to the frame, eliminating the penetration of foreign odors into the apartment.

• A door coated with fire-retardant compounds will protect household members in an emergency.
• Another useful coating is vandal-proof. Suitable for placing the door in the entrance apartment building without security on the ground floor, as well as in the presence of animals and children in the family who can scratch the surface.
• The appearance of the front door is not the least important argument. The door should fit into the interior of the room, complement and complete it.

Technical characteristics of the entrance door

The quality of the door consists of the quality of the technically important elements of the entrance door.

• Entrance door frame. Door frame closed type is preferable to a U-shaped profile in terms of safety and strength.
• Entrance door leaf. Pay attention to the thickness of the metal sheet from which the door is made. A parameter below 3 mm is typical for economy class; such a door will not provide a 100% guarantee against burglary and deformation. In the absence of access to technical characteristics, press on the canvas: even minimal deflection is a reason to choose another door.

• Entrance door stiffeners. A large number of stiffening ribs located throughout the entire area in horizontal and vertical projections make the door a high-quality element of protection.
• Entrance door hinges. Door hinges There are overhead and hidden ones. When using open hinges, make sure there is an anti-removal bolt that will hold the door in place if the hinges are cut. Hidden loops cannot be cut off, but it is technically possible to close the loops, in which case even the owner of the apartment will not be able to get inside right away.

• Entrance door locks. Professionals recommend installing two door locks with different system discoveries. Do not skimp on the choice of locks; they are responsible not only for security, but also for the frequency of possible technical problems: lock jamming, breakdown, malfunction.
• Exterior decoration of the entrance door. If the finishing of the canvas inside an apartment or house only affects design solution in the interior, then external finishing affects the lifespan of the front door, especially if the door is installed in a private house and goes directly to the street. Choose a finishing option based on the location of the door: natural wood, MDF panels, laminating film or special powder coating that protects the canvas from mechanical and climatic influences.

Fire doors

Exists separate class doors, fire-resistant entrance doors, the main task of which is aimed at long-term retention of fire and combustion products from entering the apartment. This is achieved by creating a special design and using special materials that can not only resist combustion, but also contain fire. The cost of such doors is significantly higher than traditional ones, but the level of protection offered is the highest possible at the moment.

To ensure that the door meets safety standards and protects property and people in an unforeseen situation, choose and install the front door responsibly.