Which plastic windows are best to install in an apartment?

Vladislav Dobronravov

Leading technical specialist at Okna-Media company

The article was prepared specifically for the site https://azaoknom.ru “And Behind the Window”

Often, old window structures installed in an apartment become unusable, and it’s time to choose new ones. The modern market for such products is ready to offer the end buyer a variety of light-transmitting systems to choose from, differing from each other in both the material of manufacture and the characteristics, shape, color, and ease of use.

Currently, plastic windows are the most in demand; they occupy about 80% of the market supply , the rest is made up of wooden and aluminum structures. Let's focus on the most popular option - systems based on the material polyvinyl chloride (PVC).

Let's look at their design elements, characteristics, and decorative capabilities, decide which window is best to install in each room of the apartment, and briefly describe the advantages of the models of the most famous manufacturers of this type of product.

Selecting a plastic window profile

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The selection of a profile, which plays the role of a frame in a plastic window, must be approached very responsibly, because the correctness of its choice determines whether the light-transmitting system as a whole will effectively retain heat in the apartment.

The window profile inside is divided into compartments called chambers; the purpose of these compartments is to maximally delay the transfer of heat from the glazed room to the outside. Accordingly, the ability of a profile to retain heat in a room is directly proportional to the number of chambers into which it is divided.

A large number of chambers, in addition to the improved ability to retain heat, also has a positive effect on the possibility of sound insulation - with a multi-chamber profile, a window better prevents the penetration of extraneous sounds from outside into the apartment.

In window models installed in apartments and private houses, the number of cameras into which the profile is divided can vary from 4 to 7. Four-chamber systems are installed in homes located in the southern regions of the country, as well as in the middle zone. Windows with seven, six, five-chamber profiles - where cold weather lasts most of the year.

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To give the profile additional strength characteristics, manufacturers subject it to so-called reinforcement - placing a steel insert inside its cavity, either U-shaped or square, with improved characteristics.

Blitz survey: Which plastic windows are best to install in a room: living room, office, children's room, bedroom, kitchen? From our article you can learn about: Which PVC windows to install in rooms. Every room needs its own window!

Thanks to the presence of reinforcement, the period of trouble-free operation of the window is significantly increased - a rigid steel insert (at least 1.2 mm thick) prevents deformations that inevitably appear during thermal expansion, characteristic of heating apartment windows due to exposure to direct sunlight.

Main characteristics

Longitudinal air chambers play an important role in heat and sound insulation. Let's look at how to choose the right air chamber:

1. For good thermal insulation of heated rooms, there must be at least 3 air chambers.
2. The chambers prevent the formation of condensation, which can accumulate inside the cavity due to the difference in temperature in the heated room and outside. This is done thanks to special holes located on the surface of the front part. The absence of such holes indicates the low quality of the entire structure.
3. Models whose air chamber cavities are filled with expanded polystyrene have excellent thermal insulation characteristics.

The profile width, which is also called the installation depth, has a direct impact on the heat-insulating properties, the thickness of the glass unit and the ability to install good fittings.

What you should pay attention to when choosing a window profile :

1. For standard models, the width varies between 5-8 cm. With a width of up to 6 cm, only 3 air chambers can be installed; if the width is more than 7 cm, 4 or more.
2. The installation depth does not always indicate the number of cameras. On the modern market there are designs with a profile width of 80-90 mm, but with a small supply of air cavities. However, in terms of their thermal insulation characteristics, they are better than multi-chamber narrow profiles.
3. The thickness of the external walls and partitions of the profile must be at least 2.5 mm . A lower figure is only suitable for garages and other unheated premises.
4. An important component of the window structure is a U-shaped or square profile made of galvanized steel. It protects the plastic profile from deformation that occurs under the influence of cold or sun rays. Its absence will significantly worsen the sealing and negatively affect the opening of the valves.

Good light transmission and thermal insulation will be ensured by a correctly and successfully selected double-glazed window. How and which double-glazed windows are best to choose for residential premises:

1. When choosing a suitable option, you should pay attention to the seating depth of the glass unit, which should be at least 15-18 mm. With a smaller size, the glass will fog up and freeze faster.
2. Most manufacturers produce double-glazed windows with a thickness of 24, 26 or 32 mm. The thicker the glass unit, the better its sound insulation.
3. Single-chamber (SPO) and double-glazed windows (SPD) have become widespread. The more chambers, the better the thermal insulation and the higher the cost.
4. Glass comes in various types : transparent, tinted, self-cleaning, shockproof, frosted, with energy-saving coating and mirror. Which option to choose depends on financial capabilities, purpose and characteristics of the room where the window structure will be installed.
5. What double-glazed windows are the best thickness for apartments? For residential premises, a glass thickness of 4-5 mm is sufficient.
6. When choosing a double-glazed window, you should pay attention to the presence of markings.
7. There should be no defects on the surface of the glass, such as chips or cracks.
8. There should be no visible traces of liquid sealant on the spacer bar.

Prices for double glazed windows

How to choose a double-glazed window

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The double-glazed window in the window design is the largest element; it occupies about 90% of the area of ​​the light-transmitting system; its purpose is to protect the room from cold, heat, and excessive noise. Also, its task is to obstruct intruders trying to penetrate through it into the adjacent room.

The design of a double-glazed window has several components, the main one of which is glass, or, more precisely, several glasses, hermetically connected to each other at a certain distance. Two adjacent glasses form a chamber. Unlike a profile (which can have up to 7 cameras), a double-glazed window can have a maximum of 3 cameras, that is, four glasses.

Between each two glasses, closer to the base, there is a special bar, hollow inside, it is designed to keep the glass from moving. In addition, the bar in its cavity contains absorbent granules, the purpose of which is to absorb excess moisture.

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When choosing a double-glazed window for an apartment, you must adhere to the same rule as when selecting a profile - the more cameras there are, the better heat conservation is ensured. The most common products are those that have two chambers.

Expert commentary

Vladislav Dobronravov

Leading technical specialist at Okna-Media company

To increase the heat-saving characteristics of the product, manufacturers of good plastic windows, as a rule, pump inert gas into the interchamber space of a double-glazed window. It can be: argon, krypton, or xenon. At the same time, the ability to retain apartment heat increases only slightly: by only 5-10%.

It is worth noting that throughout the entire period of operation of the window

, the double-glazed window naturally loses the injected gas - it evaporates through microscopic pores in the substance sealing the end of the glass. Therefore, after 10 years, depending on the quality of the assembly of the structure installed in the apartment, a minimal amount of inert gas remains.

Design of a two-chamber double-glazed window
Economy versions of PVC structures are equipped with double-glazed windows, into the chambers of which, instead of a gaseous substance, dried air is pumped, which has even smaller capabilities compared to gas.

Before choosing the right double-glazed window that is optimally suitable for apartment windows, a potential buyer should be able to read the characteristics encrypted in its formula. The simplest formula 4-16-4 means the presence of two 4mm glasses with a distance between them of 16mm - a single-chamber double-glazed window is obtained. The formula is more complicated: 4-16-4-12-4 indicates the presence of three 4mm glasses (two-chamber) with different distances between them.

We study the basic requirements for plastic windows

Those who are renovating an apartment and decide to replace their old windows with new plastic ones should not purchase them at the first store they come across. First of all, it is necessary to study the basic requirements that plastic windows must meet in order to have an idea about them and decide which windows are best to install.

Basic requirements

1. The window profile must be made of PVC (polyvinyl chloride), which is a durable material that is resistant to mechanical stress, chemical attack and temperature changes. Windows made from this profile will last for decades.
2. A double-glazed window must consist of at least two chambers. Its total thickness must be at least thirty, and each glass must be at least four millimeters. The shape of the glass and the cleanliness of the surface should not distort the view from the window.
3. The design must have a metal insert that provides rigidity to the profile.
4. The profile of the sashes and windows must consist of at least five chambers and have rubber seals around the perimeter of the sashes. Then the design will provide the apartment with good thermal insulation.
5. It is best to choose European-made fittings. It's more reliable. With such fittings, closing and opening frames should not be difficult.

In addition to the above, you need to pay attention to other parameters:

• The correct choice of plastic structures is especially important for those who live in the northern regions. In this case, not the only solution for insulating an apartment is a multi-chamber double-glazed window and profile. Inert gas with low thermal conductivity can be used to fill the chambers of double-glazed windows, which are best installed in apartments in these areas.
• When choosing plastic structures, attention should be paid to the companies that manufacture them. First of all, these are trademarks of German profiles.
• The key to long and reliable service of windows is their correct measurements and installation. Otherwise, there may be distortions that cannot be corrected by simple adjustment. And as a result - a violation of tightness and rapid wear of seals and fittings.

Advantages and disadvantages

Before purchasing plastic windows, it would be a good idea to learn about their advantages and disadvantages.

The main advantages of plastic:

• The windows are completely sealed, which means they retain heat well and are able to protect the apartment from the penetration of odors, dust and sounds from the street.
• Caring for plastic is very easy. It is enough to wipe it with a damp cloth to achieve cleanliness. There is no need to paint it.
• Plastic, unlike wood, does not dry out and is not deformed under the influence of external influences.

• Plastic double-glazed windows collect dust.
• To prevent double-glazed windows from fogging up, they should be opened from time to time to ventilate the room.
• The entire structure will have to be changed in the event of mechanical damage to the window.
• If the assembly or installation is of poor quality, it is difficult to fix the problem on your own, since the plastic structure is quite complex.

Choosing the type of glass for a double-glazed window

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The type of glass installed in the double-glazed window will determine the capabilities of the plastic light-transmitting structure.

The following types of transparent fabrics are usually used in apartments:

1. Standard glasses . They do not have any distinctive properties.
2. Glass of special strength . These include two types of materials: tempered and triplex glass. The first is obtained after applying a special paint composition to the canvas, with a general subsequent heat treatment, while the second is created from two or more glasses combined into a single whole with a film laid between them, which has high strength characteristics.
3. Low-emissivity glass . They are distinguished by the presence of improved properties compared to conventional ones. There are glasses: k and i. The canvas marked “i” is considered the best. The purpose of low-e glass is to keep the apartment warm in winter and cool in summer.
4. Self-cleaning glass . The essence of the self-cleaning process of such canvases is the effect of sunlight on organic pollution, followed by its removal by rain. The use of windows equipped with self-cleaning glass is especially appropriate where access to them is difficult - on attic floors or in the attic.
5. Sun protection glasses . As the name suggests, the purpose of transparent sheets of this type is to limit the penetration of sunlight into the room. There are sunglasses: mirrored and tinted.

Additional options will make a significant contribution

The same set of options is installed on wooden and plastic windows:

• Additional sound insulation . To ensure comfort in rooms with windows facing busy highways or school yards, the level of noise insulation can be increased by 50–70%. For bedroom windows, this option is simply irreplaceable, because extraneous noise often interferes with falling asleep or staying asleep longer.
• Air valves: supply and automatic . Ventilation in the classical way (in the usual folding position of the sash) negates the effect of conventional and additional sound insulation of the window. This problem is easily solved by installing supply and automatic air valves. The devices provide a flow of fresh air and block out extraneous noise. The principle and price of installing such valves on wooden windows are no different from installing plastic structures.
• Micro-ventilation . If you do not want to install air valves, they can be replaced with a built-in micro-ventilation mechanism. It is an additional part of window fittings for fixing the window in the tilted position with a gap between the sealing rubber and the frame from 2 to 25 mm. For night ventilation, especially in winter, this function is indispensable.
• Mosquito net . Anti-dust nets are installed on windows facing busy streets to protect the room from dirt and pollen. This option is very popular among allergy sufferers. But if you have pets, they often choose an anti-cat mesh. The reinforced mesh is designed specifically to protect cats from falling out of the window if the mesh is damaged. Now you can take care of the safety of your whole family's pet.
• Energy saving glass . The bedroom should be the warmest room in the house. An energy-saving double-glazed window will prevent a drop in temperature and the formation of condensation during the cold season. This is especially important if your bed is next to a window.

Energy-saving double-glazed windows should be installed throughout the house to maintain a comfortable temperature and reduce heating costs.

• Window tinting , solar control glass , blinds or roller blinds . If your bedroom windows face the sunny side, tinted glass will allow you to sleep longer in the morning. This option can be replaced by installing horizontal blinds or roller blinds to prevent sunlight from penetrating into the holy of holies. If the bedroom gets very hot in the summer due to exposure to sunlight, then installing solar control glass on the window will help. It is transparent, but will not let in 68% of the sun's heat.

Constant air flow maintains a comfortable indoor microclimate

Possibilities for decorating a plastic window

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When deciding which windows are best to install in an apartment, you should take into account that the appearance of any model of light-transmitting structure can be transformed.

Today, three technologies for decorating plastic apartment windows are widely used.

1. Lamination . Lamination technology involves applying a film to a window profile using a special machine. This way the profile can be given almost any color. The most popular windows are those decorated with wood, especially since lamination options involve the use of imitation wood structure.
2. Decorative layout . It consists of plastic strips that are installed on glass, both inside the double-glazed window and on the outer part of the transparent sheet. The combination of these decorative elements forms a unique pattern. The planks can be of any color, although the gold layout in combination with brown plastic windows from the outside of the apartment is popular; it looks luxurious and expensive.
3. Stained glass . Instead of ordinary glass, canvases decorated with stained glass windows can be installed in a double-glazed window - colored designs that can be applied either in the form of a film or made by hand, for example, using the Tiffany technique.

Which plastic windows are better to install in an apartment?

Having received a sufficient amount of information, you should decide on a budget and make your choice.

• If you don’t want to overpay, then you can choose Russian-made windows. Veka, Salamander, Rehau, Trocal, KBE are companies that have successfully proven their products.
• If you have the opportunity to spend more, then it is better to choose a profile made in Germany. Its cost is much higher than Russian products.
• To insulate your balcony and give it an aesthetic appearance, you should choose the Spanish company Provedal.
• Don't forget about the parameters. In addition, you can order: climate valve, mosquito net, tilt and turn doors, locks (if there are small children). All this will increase the cost of the structure. But, since you have to use windows every day, you shouldn’t skimp on convenience and safety.

The window has been selected, now it’s time to install. It should be remembered that windows are not installed in winter. The temperature limit is minus ten degrees. Therefore, those who did not have time to purchase windows before the cold weather will have to wait for spring. Although, during the cold season, companies offer discounts and you can take advantage of this.

Ensuring ventilation in the apartment

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It’s no secret - modern plastic windows have a significant drawback, namely, high tightness, which does not allow sufficient fresh air to penetrate into the glazed room. To mitigate this design flaw, manufacturers of light-transmitting products have developed additions that allow the air in the apartment to be fully saturated with oxygen.

Let's list them:

1. Combs . The presence of combs that allow you to fix the sash at a certain distance from the frame will not surprise anyone - currently, all window models with an opening sash are equipped with them by default.
2. Micro-slit ventilation . Installed by turning the window handle either 45 or 135 degrees. In the first case, the sash moves away from the frame at a greater distance, thereby ensuring more intensive ventilation of the apartment; in the second, the sash is only slightly behind the frame, preventing excessive penetration of fresh air into the adjacent room. Micro-slit ventilation is also present in all models of modern windows.
3. Windows . There is nothing to add here - a window is a window in Africa, however, its presence on a plastic window directly affects its ability to transmit light: the illumination of a window equipped with a window is reduced due to the presence of additional frames that prevent the free penetration of light from the street.
4. Ventilation valves . They are devices installed from the inside on the top of the window frame. They work in both automatic and semi-automatic modes. Allows you to saturate the room space of the apartment with fresh air. Operation in automatic mode is carried out without human intervention - a sensor installed inside the valve is triggered when excess humidity is reached in the adjacent room, while operation in the semi-automatic version implies the need to manually open the valve valve, which starts the air flow from the street.

Selection of window fittings

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Many people, when choosing PVC windows for an apartment, pay attention only to the characteristics of the light-transmitting structure model of interest. But in vain. After all, the reliability and durability of the operation of the entire system as a whole is determined by its weakest link . This weak link could easily be low-quality (cheap) fittings.

Expert commentary

Vladislav Dobronravov

Leading technical specialist at Okna-Media company

The concept of “fittings” means a whole set of branched mechanisms located around the perimeter of the entire window; the handle is only its visible part.

The purpose of the fittings is to move the window sash in the apartment to the open/closed position and set it to micro-ventilation mode.

The variety of shapes and colors of handles that exist on the hardware market allows the buyer to choose exactly the option that suits his needs and financial capabilities.

Fitting mechanism

High-quality window fittings usually include products from the following brands: Maco, Roto, Aubi, Winkhaus, Siegenia . The listed companies incorporate an increased wear cycle into their products. For example, the guaranteed number of openings/closings for good fittings cannot be less than 20,000 , for cheap ones - only 10,000 (Chinese and Turkish manufacturers are guilty of this).

To ensure the security of the apartment, there are handles with an anti-burglary function, as well as with a built-in lock that prevents unauthorized opening of the door by children when set to the “closed” position.

Tips for choosing plastic windows for apartment rooms

Let's consider the most optimal options:

Window to the living room

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For the room in which both households and guests spend the most time - the living room - it is important to choose a window with optimal characteristics. Structures installed in such a room must reliably protect against the penetration of cold street air and suppress external noise. After all, the living room should be warm and cozy.

It is recommended to select systems equipped with 3-4 chambers, or install a double-glazed window of 2-3 chambers without gas, without the use of energy-saving glass.

Like the kitchen space, the living room serves as a place in the apartment to accommodate guests and visitors, so it is so important to properly arrange the space, emphasizing the uniform style of the interior with each element included in it. The creation of a harmonious atmosphere directly depends on the choice of window design.

Modern technologies make it possible to perform this task without much difficulty, by selecting only the desired shade of lamination of the material. One of the most popular options for laminated surfaces is an imitation of the structure and shade of natural wood . Depending on the activity of use, fittings of the proper quality are selected - if the opening/closing of the window in the apartment is carried out irregularly, it is enough to select structural elements in the middle price range.

The living room does not require maximum heat retention. The absence of such a need is explained by the fact that the room, as a rule, is well heated, with a sufficient number of radiators.

Window to the office

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When it comes to setting up a home office, there are other important parameters to consider.

In an apartment, the functional purpose of a home office is associated with working primarily at a desk. In this regard, different requirements are put forward for window construction than for arranging a living room, namely: excellent sound and heat insulation. To ensure efficient work, it is important that the office is warm and quiet.

The window structure in such a room can have 3 or 5 double-glazed windows.

The fittings chosen are of higher quality; it is best to entrust your choice to products from manufacturers known for their quality. This need is due to the small area of ​​the office, which requires regular and frequent ventilation. Active use of sashes requires equipping the structure with durable and reliable fittings.

If necessary, you can laminate the surface of the window frame in the office, but in this case the appearance does not play such a significant role when creating the design of a room that is used primarily for work.

Window to the children's room

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The room in which children spend most of their lives must meet the highest requirements for safety, environmental cleanliness, and a comfortable microclimate. Therefore, it is so important to choose the right window design for a child’s room that would protect against the cold, let in a sufficient amount of light, suppress street noise, and provide protection from glass breaking and injury to the child.

To implement such functionality, safety and harmlessness requirements are especially important.

For optimal heat retention for children's rooms, it is recommended to install 3-chamber double-glazed windows and a 5-chamber profile.

For such a room, you can use energy-saving glass and chambers with inert gas. These measures will improve energy-saving characteristics, creating an optimal temperature regime for children.

It is the parents' responsibility to ensure maximum safety in the room. From this point of view, it is necessary to take a number of measures to prevent children from opening the doors without permission. For this purpose, special mechanisms that block the operation of handles are included in the design of the structure. This mechanism is called a “child lock”. Parents are offered several modifications and options for closing the sashes, the purpose of which is to prevent the child from opening the window.

Laminating the surface of the structure will allow you to organically combine the window design with the overall interior of the room.

Window to the bedroom

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When equipping a bedroom with new windows, it is necessary to provide for the requirements that apply to this room. The design of the window should help create the most comfortable and cozy atmosphere. This is achieved by enhancing heat retention and noise reduction performance.

Peace in the room is ensured by a double-glazed window with 3 chambers and a profile consisting of 5 chambers.

Three chambers will be enough to prevent noise from the street from entering; five profile chambers will allow the heat to be retained at the proper level.

The shade of the windows can be classic white, or the color of the main design. It is recommended to select fittings from manufacturers known for their quality. The quality of the elements must be designed for the active use of the window for ventilation, because it must be done regularly and every day.

Window to the kitchen

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The window to the kitchen is selected taking into account the special microclimate of the room: humid environment and specific odors. In the kitchen, increased sound insulation and heat retention are not important. This allows you to use a different set in the kitchen - a double-glazed window with 2 chambers and a profile with 3 chambers will be quite enough.

The ventilation function should solve the need to normalize the level of humidity and get rid of excess odors that appear during the cooking process.

Regular opening of the doors will solve the issue of access to fresh air in the kitchen, ridding the room of unpleasant odors and excessively humid air.

The active use of handles for frequent opening and closing of sashes requires increased quality of fittings.

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It is especially recommended to equip the window with a ventilation valve located at the top. It is designed for manual or automatic ventilation mode. The principle of operation of the valve lies in the difference between the street and internal pressure in the room. The difference in pressure causes the shutter of the device to automatically close.

If the window package does not initially include this valve, it can be purchased and installed separately, after installing the structure in the opening.

Old wooden frames, inconvenient opening and closing, gaps between the sashes and the frame - these characteristics of old-style windows are completely absent in modern plastic structures. Convenient operation, as well as the ability to set the optimal position of the sash for ventilation, tightness and reliable thermal insulation provide comfortable living conditions.

The vast majority of designs in modern apartments have a white tint, which helps create a visual expansion of the space and also gives the room an elegant look. However, buyers can choose almost any shade of the design that matches the design of the overall interior, thanks to film lamination technology.

Colored plastic windows

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Like white, colored windows consist of PVC, on which a laminating film is applied. Any design project becomes feasible thanks to modern production technologies. Plastic windows in colored frames can be plain (for example, black, gray, turquoise) and textured (mahogany, oak, mahogany).

There are several manufacturing methods:

1. Color lamination of plastic windows.
   The most common option. A special film is glued to the standard frame. It can be stylized to look like natural wood or have any unusual color.
2. Coextrusion method.
   At the production stage, a coloring pigment is added to the composition from which the structure will be made.
3. Aluminum trims.
   Powder coated. Attached from the outside.

Painting with acrylic paints is also acceptable. If the paint is high-quality powder, the color will last for a long time. Painting is done by spraying. Choose paint that is resistant to fading, humidity and temperature changes. It is environmentally friendly and safe.

Initially, films were used to imitate natural wood . The goal was to give the PVC structure a visual resemblance to a wooden frame. Gradually the technology began to be used more widely. Laminating film recreates not only the color, but also the texture and characteristics of wood fibers. The colors of laminated plastic windows are very diverse.

The film contains several very thin layers. The shade depends on the acrylic substance. The top layer of polymers is transparent. Its tasks are to protect against moisture and impart a glossy shine. Total thickness – up to 0.2 mm.

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The film can be applied to any profile. Most often it is glued from the outside. However, if the owner wishes, lamination can be double-sided.

There are several lamination options: single-sided, double-sided, bulk.

With one-sided film, the film is applied to one side, usually the outer side. Double-sided involves covering both sides with films. Colors may be the same or different. The ends remain white.

Lamination in bulk allows you to achieve almost complete visual resemblance to the simulated surface. The film is applied to a brown profile.

How to choose the right windows for an apartment

The main criterion for choosing glazing is energy saving and thermal protection. According to these indicators, PVC profiles are many times superior to traditional wooden ones. In winter, they reliably insulate heat and protect from sunlight and street noise all year round. The level of sound insulation is affected by the thickness of the glass and the distance separating them. In glazing, the safety of the window system and its burglary protection are no less important. It is better to buy a profile that is highly resistant to hacking. The reliability and service life of new windows depends on the quality of the materials from which they are made. For convenience, profile systems should be equipped with mosquito nets.