Panoramic glazing and insulation. Instructions for self-insulating a plastic window for the winter How to insulate plastic windows for the winter

Perhaps the main reason for installing plastic windows is their ability to retain heat well in the room. However, for various reasons (improper installation, long service life, etc.), this property may disappear. In the summer, this is not so scary, but with the onset of cold weather, poor thermal insulation can bring big trouble. In order to correct this situation, you can carry out the insulation of plastic windows for the winter with your own hands.

The main reasons for the violation of thermal insulation

It may seem strange to some people that there are cracks and distortions in modern plastic windows. However, such a problem does exist and occurs quite often. She may have several reasons:

home shrinkage;
improper installation of windows;
loosening of the mechanism;
seal wear.

One of the reasons for the cold in the house is the old seal

Depending on the cause, it is necessary to carry out thermal insulation. It is advisable to start work on a dry day in the warm season. This will greatly simplify the process. However, the problems can often be too serious to delay. In this case, it is better to carry out warming immediately.

Identification of problem areas

Before proceeding with the insulation, it is necessary to find and identify all the places that need thermal insulation.. Particular attention should be paid to the joints, as well as the junction of the walls to the frame. You should also check the slopes and the window sill. To determine the areas where cold air enters, you can use a regular lighter. It should be carried out over all possible places of blowing.

Violation of thermal insulation can cause condensation on the glass

Condensation, frost or drafts can also indicate an area that needs insulation. Depending on what is the cause of the violation of thermal insulation, it is necessary to think about how to fix it.

Work progress

It should be noted right away that if you insulate plastic windows for the winter with your own hands, the guarantee for them will automatically disappear..

If the owner nevertheless decides to carry out the work on his own, it is necessary to find a place for a draft. Sometimes it happens that it occurs due to depressurization of double-glazed windows. Unfortunately, in this case, it will not be possible to carry out high-quality insulation on our own. In most other cases, this is quite real.

Slope insulation

If voids appear under the slope lining, this means that it is necessary to carry out its repair. Finding them is quite simple: this is done by tapping on the surface. Where the sound will be more sonorous, there is an empty space.

The old insulation under the slope lining must be replaced

In this case, it is necessary to remove the facing material. Under it will be a heater. In most cases, foam serves as a heater. If the problems are not too serious, it is enough to simply add material to the places where the voids form. When the insulation has already served its purpose, it must be replaced. The material can be the most diverse: basalt wool, polystyrene foam, foam, etc..

After replacing the insulation, it is necessary to check the facing material. If the sheet has cracks or other serious damage, it must be replaced. It is better to use PVC or a plastic panel as a cladding. Such materials not only look good, but also provide excellent thermal insulation.

Styrofoam can be chosen as a slope heat insulator

Insulation of street slopes is carried out in the same way. However, if the apartment is located above the second floor, you need to turn to professionals. It will not be possible to carry out work without special equipment.

Replacing seals

In plastic windows, one of the most quickly worn parts is a rubber seal. After several years of operation, it loses its properties and ceases to perform its functions. To increase the life of the seals, you can use a special silicone grease (this is done twice a year). However, if the material has already worn out, it must be replaced.

To replace it, you need to pry off the glazing bead that holds the double-glazed window. After that, it must be removed. Now the rubber is easily pulled out of its groove.

Replacing the sealing tape will increase the thermal insulation of the window

New material should be cut off (it is better to leave a margin of 5-6 cm and cut it to the desired length after installation). Before assembly, make sure that there is no dirt on the site. If necessary, the seal can be fixed with glue.

Pressure setting

In modern plastic windows, the window sash pressure can be adjusted. This is done by rotating the eccentrics (located at the end of the sash). A 4mm hex wrench is used for adjustment. On the eccentric itself there is a risk that helps determine the adjustment. If it is on the side of the street, then the pressure will be weaker.

Modern windows allow you to set the summer and winter mode of pressing the shutters

Setting the position of the sash relative to the frame

In the sash hinges there is another mechanism with which you can adjust the sash. Adjustment is carried out by tightening the screws.

Materials for insulation

For high-quality insulation, the use of additional materials may be required. Here are some of the most common heaters.

How to stick a heat-insulating film

The most common type of energy-saving film is shrink film. It needs to be heated to stick. The technology for applying such a material will be discussed below.

Energy-saving film significantly reduces heat loss in the room

Important! After sticking, it is extremely difficult to tear off the film. Therefore, before starting work, it is necessary to weigh all the pros and cons.

The main mistakes in the work

Many owners begin to carry out work on insulation in the cold season. Doing this is not worth it. And the reason is not only the inconvenience that such insulation will bring. Many formulations, the use of which may be required, require compliance with a special temperature regime. Therefore, take care of how to insulate plastic windows for the winter, it is better in spring or summer. If this did not work out, you need to choose a calm and dry day for work.

Quite often, the owners are somewhat negligent in the search for places where drafts occur. Under no circumstances should you do this. Even the smallest cracks and gaps can cause a large amount of heat loss. Therefore, all of them must be eliminated.

When working with polyurethane foam, it is necessary to strictly maintain the thickness of the layer.

As you can see, it is not so difficult to insulate any plastic windows for the winter with your own hands. However, before starting work, you need to seriously think about whether it is worth doing at all. The most common cause of drafts and high heat loss is poor-quality window installation. If so, then you need to contact the installer, who should correct the shortcomings.

Of course, first of all, you need to remember that the period of flawless operation can be extended if you carefully handle the windows and carry out the necessary maintenance.

Among other things, you need to remember that the rubber gasket around the perimeter of the window lasts much longer if it is periodically lubricated. Repairs should be carried out best early, when it becomes clear that it is necessary.

When using certain insulating compounds, a strictly defined temperature regime is necessary for high-quality solidification. Also, it will not be superfluous to choose a dry and calm day, if possible, for repairs.

Work on filling the gaps can be done independently. In the case of outdoor work, it is recommended to work only on the first two floors on your own.

If your apartment is located above, then you need to contact a specialist. It is also not recommended to act independently when adjusting windows or replacing their parts. Of course, with sufficient experience and relevant skills, it is quite possible to do it yourself, but a professional will do the job efficiently and with a guarantee.

Ways to work to improve thermal insulation

Immediately, we note that such works can be divided into two large groups:

Associated with the repair of plastic windows and the closing of existing gaps.
Various additional measures.

The second section may include the following types of work:

Wool blinds. If used, then their strips can be wrapped with a woolen cloth. This will go a long way in keeping you warm.
Thermal film. On the inside, a special film is attached using double-sided tape. We can talk about both a single sash and the entire window. Then, over the entire surface, the film is heated with warm air from a hair dryer. The film tightly envelops the entire structure, providing high-quality thermal insulation.
Use of an electric heater. This is a small square box that is mounted directly on the glass. Sometimes this is done during installation, and sometimes already during operation. We are talking about the use of a special electrical appliance, which is made specifically for this method of application.
The use of curtains.

It must be remembered that if there are problems with heat conservation, then it may be necessary to insulate the joints of the window and walls or window sills. The plastic window itself does not need to be sealed. It needs to be adjusted and as a result of this it is able to fully restore its heat-insulating properties.

Where to begin?

Seal the seams - the easiest way to prevent blowing

If it is felt that heat is being passed, then first of all, it is necessary to find out the cause. If we are talking about open slots, then the easiest way is to check if there is air movement.

One common way to do this is to use a lighter. The deflection of the flame will show where the air is moving. Also, for this, you can hold your hand to feel where the air is moving.

But the latter method is less sensitive. Further actions depend on what kind of leakage occurs.

Consider the various options available:

Crack under window sill. Sometimes, when, insufficient attention is paid to its junction with the wall from below. As a result, even a through gap may remain there. In this case, it must be sealed. Here another situation is possible. The gap may not be visible from the outside. In this case, holes are drilled between the frame and the window sill, through which the gap can be filled with insulating material. Then, the joint along the entire length is covered with a white opaque tape.
The gap between the window and the slopes. In this situation, similar methods apply. But when repairing slopes, aesthetic requirements are much higher than in the previous case.
Repair of external ebbs. If it is necessary to correct the situation on external ebbs, then special “warm mixtures” are used for this purpose. They are a special primer. Water-repellent paint is also used for this purpose.

After all seams have been foamed, the foams are removed and protected with various materials.

For the first two options, it is possible to use different placeholders:

Mounting foam. It is easy to use, it hardens well, but it is sensitive to temperature changes. The last feature can lead to the destruction of the filling.
Silicone sealant. It is relatively inexpensive and yet easy to use.
Mineral wool. It has good thermal insulation properties.
Use of Styrofoam represents the cheapest, but also the least durable and durable solution to the problem.

In these situations, the general order of work is very similar:

We clear the place where the filling will be done, from debris and remnants of the old polyurethane foam.
We wash the surface and, if possible, we degrease the working surface.
We fill the discovered gaps with the filler of our choice(mounting foam, silicone sealant, mineral wool or polystyrene).
Seal holes if necessary.(if any) with construction tape.

Additional adjustment and replacement of seals

The main reason for increased heat loss is the wear of rubber seals.

If no gaps were found, then it may make sense to adjust the windows. To do this, you need to check the quality of the rubber gaskets. If necessary, they must be replaced.

In some cases, gaskets may not be to blame. Plastic windows have special adjusting screws that allow for fine adjustment.

They are present in the frame from all four sides. Air leakage may be due to the fact that there has been a slight shift relative to the window frame. For this kind of work, it is best to invite a professional.

Also, accidental damage cannot be ruled out, which necessitates the replacement of certain parts of their delicate mechanism. Qualitatively, this can only be done by a professional.

One of the most common causes of plastic windows leaking is the need to replace both seals. One of them is on the glass block itself. The other one is on the frame.

Work is carried out in the following order:

The window is removed from the hinges. The old seal is removed.
The groove is wiped from dust and dirt and degrease.
Then carefully insert the new seal with the right edge prepared in advance.
Then perform similar operations for the seal which is located on the window frame.
Paste a previously removed window on loops.

It must be remembered that if the seal is constantly looked after, it will significantly extend its service life.

This is done as follows:

They are cleaned of dust and dirt and carefully washed.
Wipe dry.
Lubricate with special silicone putty (it is sold in car dealerships).

These procedures protect the seals from drying out in hot weather and from hardening in severe frosts.

Repair costs

Here are some approximate prices.

Calling a Window Inspection Technician, assessing the situation and drawing up estimates - approximately 500 rubles for each window.
Minimum possible cost of work- 2000 rubles.
Clamps adjustment- 400 rubles for each.
Seal replacement- 130 rubles per linear meter.
Window hardware maintenance(disassembly, lubrication, and so on) - 800 rubles.

For independent work, the prices are as follows:

The price of a sealant is 50-55 rubles per linear meter.
Silicone sealant 280 ml will cost 50-160 rubles, depending on the brand.
Mounting foam 500 ml can cost about 150 rubles.
340-550 rubles is a square meter of heat-saving film for plastic windows.

Insulation of plastic windows- quite a difficult task. By doing it yourself, you can save a lot on your costs. But for this you need to understand well how to do it. If you don’t want to waste your energy on this, then you should invest in a specialist who will do the job efficiently and reliably.

Insulation of plastic windows can become an urgent issue, if the room is not warm enough, it is necessary to improve its ability to keep warm air inside and not let cold air in. Usually, you should start with windows and insulation of targets that have formed during the operation of the premises. You can find information on how to do this in this material.

When is window insulation required?

Plastic structures are usually sealed in themselves and do not require any modifications, however, the problem may arise for the following reasons:

The window was installed incorrectly, as a result of which cracks formed, the frame could warp. If you notice this right away, you can contact the installer, but most often the defect is discovered after some time, and they no longer want to fix it for free. Special seals can help, but they are quite expensive. Knowing how to insulate plastic windows , you can do it yourself without spending extra money on the services of masters.
The plastic window was mechanically damaged. Most often, with this problem, it is impossible to do with improvised means, and the window has to be changed. Thermal insulation of the structure is a mandatory step in this procedure.

What time to choose for work?

Do-it-yourself warming can be done at any time convenient for you, however, it is most comfortable to carry out such work in spring or summer. The day should be dry and without wind: such weather contributes to better work, drying of consumables, and when the doors are opened, the living quarters will not freeze.

Advice: if you notice a draft or heat loss in autumn or winter, do not postpone work until spring. Insulation, repair of plastic windows can be carried out if necessary as early as possible.

In winter, it is necessary to identify all the places where windows are blown

In winter, insulation work is quite possible, the difference will only be in the complexity of their execution. For example, at sub-zero temperatures, you will not be able to use the sealant from the outside, as it simply will not dry out.

Advice: in case of urgent need to work in frost, a building hair dryer can help out, which will need to thoroughly warm up the applied sealant seams. You can get by with frost-resistant mounting foam, and when it gets warmer, cover the seams with a sealing compound.

When working, you will inevitably have to open the window, in winter this is due to inconvenience for the residents of the rooms, since the room will immediately become cold.

Using a building hair dryer

How to insulate a window yourself?

It is worth paying attention that, even knowing how to insulate with your own hands , you may not be able to carry out some types of work on your own: for example, if the plastic of the window is badly damaged or work at high altitude is required. In these cases, the wiser decision would be to invite a specialist who has the right equipment to carry out the work.

You can independently carry out the following types of work:

Insulate from the inside. Outside, this can only be done if the window can be reached from the ground using a ladder or you have a balcony, which faces a window that requires insulation. In other cases, the services of climbers will be required.
Please note that if you work on your own, you will lose the warranty if it applies to windows.

You need to start work with the frame contour insulation, then the internal and external slopes, the window sill and the ebbs are insulated.

How to determine which way it is blowing?

The ingress of cold air into the room is especially noticeable in winter, but it is not always easy to find where it comes from. The items listed below should be checked first:

Place for fastening the bead. He can move away and skip the cold.
Sealant connecting the frame and the double-glazed window.
Accessories.
Window sill, slopes, the point of contact between the frame and the wall.

In order to make sure that you have found the gap correctly, you can use a lighter. Bringing the flame to the gap, you will notice its fluctuation, which means that the air enters from the street into the room in this very place. You can also check this with your hand - bring your palm to the plastic structure: you can feel a draft on your skin.

How to choose a material?

Mounting foam

Insulation for plastic windows is produced in a variety of ways, so its selection should be taken carefully. Almost all heaters have approximately the same properties, the difference lies in price, ease of installation, strength, and some features. The following materials can be used as a heater:

Mounting foam. It is applied quite quickly and conveniently, reliably insulates cracks and joints, but has a drawback: it is afraid of exposure to the sun and moisture, which is why it needs additional protection, for example, it can be covered with siding.
well suited for warming slopes and window sills, soft enough, does not burn, but is afraid of moisture and requires protection of hands and respiratory tract when working with it.
Silicone sealant reliably isolates cracks, protects against moisture and does not require additional protection. It is useless if the gaps are very large.
The heat-saving film is applicable in conjunction with any insulation, suitable for all types of glass. Applied directly to glass and helps retain up to 80% of warm air.
- an inexpensive option with which it is convenient to work. Keeps its shape, does not let moisture through, but requires additional protection with siding, plaster, any solid materials, as it is easily destroyed by physical impact.
Window slopes can be protected with construction tape. It isolates the gaps well, but it looks unaesthetic.
For exterior and interior work, cement mortar or special mixtures based on it or from gypsum are often used. It is also desirable to cover them with a layer of plaster or water-repellent paint for additional protection and to create an aesthetically pleasing design.
Special mixtures for outdoor work, including substances that can repel moisture. They protect cracks well, blocking the access of cold air to the room, reliably isolate windows, repel moisture, so they do not need additional finishing.

Output: insulation of the window sill of plastic windows, slopes and elimination of cracks will help make the room warmer and save on heating. You can do the work yourself, but in the absence of experience and equipment, you can contact construction companies specializing in finishing window and door openings.

Now many people are replacing wooden windows with plastic ones. However, during operation, their tightness may be violated. People are faced with the question of how to insulate plastic windows so that both the violation of integrity is corrected and the air from the street enters the room less. It is important to understand what is the cause of the problem and solve it, and then make an isolation.

Why is it blowing from plastic windows

Before you begin to correct the current situation, you should find out why the blowing occurs, whether there is fogging. There are many reasons, but there are several main ones:

Marriage in production.
For the manufacture of windows, low-quality plastic was used.
Bad fittings were installed.
Mistakes were made during installation.
Poor quality seal material.
The slopes were not properly insulated.

How to determine the cause

First, let's make sure that it's definitely blowing from the window. To understand this, you can bring a lit candle or lighter to the junction of the sash and frame. If the flame fluctuates, it means that it is blowing from the window. Then the candle should be held around the entire perimeter. The problem often occurs at the junction of the window frame and the slope. This indicates poor installation, so you need to contact the company and demand to fix the work (if the warranty period has not expired).

The reason may lie in the incorrect adjustment of the fittings or in the lack of installation for winter mode. To do this, try to open the window and look at the lock. Not everyone can independently determine the problem and make settings, so it’s better to call the wizard. Sometimes the reason is in violation of the window geometry. In this case, there is a poor clamping of the sashes, due to such an abutment, drafts occur. Will need a complete re-installation of the double-glazed window.

Another way to diagnose is to check the condition of the seal. It probably causes moisture to blow or leak (condensate forms) if it is of poor quality or heavily soiled (remove all dust). Under the influence of low temperature, it loses its elasticity. You should touch it with your hands, checking for elasticity. If the reason is the wear of the insulation, then it needs to be replaced.

The next step is to pay attention to the quality of the plastic. Unfortunately, an ordinary person will not be able to visually distinguish high-quality plastic from bad, this requires a specialist. However, if all of the above diagnostic methods did not reveal the cause, then most likely you bought windows from poor material. We'll have to dismantle and install a new metal-plastic structure.

When is the best time to insulate?

The problem of blowing windows occurs during the cold season. In the summer, people either do not notice this, and with the onset of cold weather, the air from the street becomes noticeable. It is best to do thermal insulation in spring or summer in calm weather.. The sealing composition requires a special temperature, it can not be used in winter weather. There is a plus of warming in the cold season: it is clear which place to insulate and whether the chosen method is effective.

How to insulate plastic windows

It is extremely important to understand how to insulate plastic windows. There are many ways of thermal insulation, so each person can choose the most convenient for himself. Insulation for plastic windows is as follows:

Polyurethane foam is a fast and affordable method. However, the foam is short-lived, it is adversely affected by temperature changes, ultraviolet radiation, air.
Mineral wool is a safe and fire-resistant modern material.
Window film is good to use as insulation for the glass itself.
Silicone sealant is reliable, while inexpensive.
Styrofoam is used to eliminate gaps in window slopes.
Warm mixtures are applied outside.
Glue construction tape over the sealant, which will improve the effect.
Facade paint has a high weather resistance. It is easy to apply to any surface.
The primer dries quickly and is easy to apply. She is frost-resistant, she is not afraid of moisture.

When You Can't Do Without a Master

A professional is needed when there are obvious defects, and work to eliminate them requires compliance with safety regulations. To carry out repairs, it is worth calling the master, because:

insulation of slopes and ebbs from the outside can be dangerous, especially if the window is higher than the second floor (you can fall and break);
in order to properly insulate, it is important to know the entire installation process;
the window is still under warranty.

Do-it-yourself insulation of plastic windows for the winter

How to seal plastic windows for the winter, a professional will advise. However, there are simple and easy ways by which you can make repairs yourself. A simple example is the thermal insulation of a window using foam or sealant:

Remove old foam from all openings around the window. To do this, use a hard brush, sticks and brushes.
Thoroughly rinse and wipe the surface of the window sill and slopes with a cleaner to degrease and eliminate dust.
Cover the resulting cracks with putty and plaster, then fill with mounting foam.
If a sealant is used instead of mounting foam, then after it is introduced into the gap, it should be sealed with construction tape from above. To carry out work, a knife and scissors should be at hand.
Install heat-saving film. The window box is cleaned of dust and pasted over with double-sided tape. The film is measured to the size of the window, then carefully applied and smoothed. To avoid bumps and bubbles, you need to blow it with a hairdryer.

Outside

It is possible to make insulation from the side of the street in different ways, facade paint, primer, silicone sealant are suitable. It is best to use foam plastic for thermal insulation of slopes from the outside:

Styrofoam of the required size must be glued to the slopes, and all visible cracks must be closed with glue.
A special mesh should be placed on top of the foam, and then plastered.
Align the plaster with a water-repellent layer, apply a primer.
Paint the resulting slopes, which will create an additional energy-saving protective layer from the wind.

Inside

Insulation of plastic windows inside must be done as carefully as possible, using different methods for this. Thermal insulation will contain the following steps:

Insulate the slopes of plastic windows inside. To do this, apply mounting foam.
Put plastic on top of the foamed slopes.
Adjust fittings. This is done with the help of an eccentric by means of rotation.
Replace seal. This element must be changed every 5 years. During this period, it loses elasticity and begins to pass air.

How to insulate the window sill of a plastic window

You can often feel the movement of cold air under the windowsill. If the crack is visible, then it needs to be foamed. It will be good if you attach a piece of plastic under it, and fill the void inside with polyurethane foam or foam. Stages of window sill insulation:

Remove window sill.
The wall on which it was located should be well cleaned of dirt and dust, after which all cracks and problem areas will be visible.
Cracks can be closed with mounting foam.
When the foam hardens, cut off the excess with a knife.
Prime the entire surface.
Apply sealant to all joints and corners.
Plaster.
Install the window sill.

Video

Why insulate plastic windows? This reasonable question arises, for sure, among all owners of modern hermetic structures, because manufacturers sold us a perfect product with perfect thermal insulation. Installation errors, improper operation, house shrinkage and time can play a cruel joke even with the highest quality windows. Do not rush to change the entire structure - you can try to insulate plastic windows with your own hands. It's easy and short. We deal with the weak points of modern windows and learn how to eliminate them.

No. 1. Why plastic windows need insulation?

Qualitatively made and installed plastic windows in the first years will certainly be a reliable barrier to cold air, drafts and noise. Over the years, of course, problems can appear, and often the user himself is to blame. With dishonest installation, various defects can make themselves felt in the first season.

The most common reasons for additional thermal insulation of plastic windows:

installation performed in violation of technology;
shrinkage of the building, which is especially typical for;
wear of rubber insulation. Responsible manufacturers and installers inform the user about the rules for caring for a rubber seal, but few people follow the rules and regularly inspect the condition of this structural element. Lack of proper care leads to an accelerated process of thinning and drying of the rubber, the appearance of microcracks in its structure, the result is a decrease in the fit to the frame and deterioration of thermal insulation;
incorrectly installed slopes.

A window of poor quality or with technical characteristics inappropriate for climatic conditions will also not be able to provide normal thermal insulation, which is why it is so important to be able to correctly and immediately determine the right one.

No. 2. We identify weaknesses

To carry out effective insulation of plastic windows, you must first figure out in which places the tightness is broken. Immediately, only the frame can be deleted from the list of suspects: multi-chamber plastic is a good heat insulator, it does not dry out, unlike.

Cold air can penetrate through such structural elements:

A double-glazed window rarely causes a violation of thermal insulation (an exception is its depressurization), but it can also be additionally insulated. "Extra" heat in winter does not hurt.

Detect leaky items window simple - just run your palm along and across the entire structure, and you will feel that in some places it is blowing decently. Some advise using a lighter for this purpose. If you light a flame and run it around the perimeter of the window, maintaining a safe distance, it will tilt in those places where there is even a small draft. Be extremely careful with this method!

As a rule, work on the insulation of a plastic window can be done by hand. The exception is when it is necessary to insulate from the outside, and the apartment is located above the second floor. You must be prepared that complex insulation may be needed if several zones of warm air leakage are found, but first things first.

No. 3. Debugging the clamping mechanism

Shrinkage of the house and weather factors can lead to a slight distortion of the window sashes and slight deformation of the sealing gum. This leads to a deterioration in thermal insulation, but in this case, returning to its former tightness is a matter of a couple of minutes, however, knowledge of the design of the plastic window and skills in working with tools will be needed.

Presser adjustment can be carried out with the help of special eccentrics located along the perimeter of the wings. To make the sash fit tighter, the eccentric must be turned clockwise using a 4 mm hex wrench. Focus on the serif located on each such element. When it is directed towards the street, the clamp is loosened, towards the seal it is strengthened. Everything is well shown in the video.

Sometimes a simple window helps to insulate a plastic window. loop regulation, which also have their own mechanism responsible for the pressure density. Here the regulation is carried out using a hexagon. You should be guided by a simple rule: if the tongue is strongly advanced, then the sash fits well. To pull it out, you need to turn the hexagon counterclockwise if the hinges are on the left, and clockwise if on the right.

Things are even easier with glazing bead. It is enough to pry off the old departed glazing bead with a thin spatula, and install a new one in its place, which can be bought from the same company that sold and installed the windows for you.

After adjustment, check whether the tightness of the structure has improved, with the palm of your hand or with a lighter. If everything is done correctly, and the draft is still walking, then you will most likely have to change the seal.

No. 4. Seal replacement

Ideally, a rubber seal can last a long time, but certain conditions must be met for this. According to the rules for the operation of plastic windows, the seal must be regularly lubricated with special substances, but which of us does this? So it turns out that after 5 years the rubber dries out and begins to let in a cold breeze from the street. The problem may be in the seal, which is located under the glass, or in what is located along the contour of the sash. Replacing the seal in a plastic window is not as difficult as it is responsible. If you doubt your skills, it is better to call a specialist.

Procedure for replacing the glass seal:

May need to be replaced sealant, which is located along the contour of the sash. In this case, it is better to remove the sash. First, the decorative trims are dismantled from the hinges, and then with the help of the mounting handle or the pin is pulled out of the hinge. It remains to carefully remove the sash, and only then it is very easy to remove the old seal from it. It is better to start installing a new seal from the top of the sash, gently pressing it, but not stretching it. It is better to fix the beginning and end of the sealing tape with glue. Everything! It remains only to hang the sash back: the pin can be installed with bare hands, and then the decorative trim can be returned to its place. The video is very well shown and described.

No. 5. window sill insulation

The installation of a plastic window is often associated with decent destruction, they are especially significant in the area between the wall and. Some installers fill the gaps with cement and construction debris. There are no comments here. It is better, of course, when the space under the windowsill is flooded, but this option is not ideal either. Foam can shrink or even dry out over time, decent gaps are formed through which cold air enters the house.

To insulate a plastic window, you will have to get rid of the old foam and fill in a new one. Keep in mind that it tends to expand when solidified. After complete solidification, the excess is cut off; some builders recommend additionally filling small cracks with silicone sealant. This is followed by plastering work and applying a decorative coating.

If possible, the window sill area can be additionally insulated from the outside. For this, mounting foam is also used, but sometimes it is also used. From above, everything is on the grid and gets off.

No. 6. Slope insulation

Today, often when installing plastic windows, slopes are additionally installed, even, beautiful, made of dense plastic. It often happens that there is a large crack between the decorative strip and the wall, which perfectly conducts cold and wind into the apartment, therefore, to improve the thermal insulation of plastic windows, it is recommended to insulate the slopes from the inside or outside.

The procedure is as follows:

dismantling of unnecessary parts of the mounting foam;
if the surface is very uneven, you can plaster it;
slope treatment with a primer, antibacterial compounds can be used to prevent the development of mold;
a fragment corresponding to the slope is cut out of the foam plastic. To make it better stick to the surface, it can be slightly scratched on the reverse side. It remains to apply mounting glue and press firmly against the surface of the slope; for a guarantee, several dowels can be installed;
it remains to mount the corner, putty the surface and fix the trim.

No. 7. What else can be done to insulate a plastic window?

The above methods will allow you to reliably insulate plastic windows and get rid of all the cracks, but it is possible to make the structure even warmer - it will not only not let the cold into the apartment, but will also prevent warm air from leaving the apartment. This is not magic, but reality, which is achieved through the use of:

heat-saving film;
window heating;
woolen blinds and curtains.

Heat-saving film- a thin transparent material that does not change the optical properties of the glass, but reflects the thermal energy back into the apartment. The effect is achieved due to the presence of a thin metal layer. Of course, when it comes to plastic windows, it is better to use a special heat-saving double-glazed window - its efficiency is many times higher than any film, but if a regular double-glazed window is installed in existing windows, then additional insulation will not be superfluous.

You can easily handle the installation of the film with your own hands:

the surface of the glass and frame are thoroughly cleaned;
double-sided tape is glued around the perimeter of the box;
the necessary fragment is cut off from the film roll, it is better to cut with a margin;
the film is glued to the previously attached double-sided tape, its surface is blown with warm air from a hair dryer. It is necessary to act slowly so that the result is neat, there are no distortions and bubbles. A properly glued film is almost invisible.

Glass heating it is already more difficult to equip, it is better to do this at the stage of window installation, but most window companies can install such a system already on an installed window. Heating is carried out at the expense of the electric heating spiral which is built in glass.

Well, and finally, the most banal, simple and versatile ways to make the window a little warmer. This thick curtains and woolen blinds. The latter can be done by wrapping ordinary blinds with a woolen cloth.

It is better to carry out work on the insulation of plastic windows on a warm, dry day, since it is no longer possible to work with many materials at temperatures below +5 ... +10 0 C, and you can let the cold into the apartment. In order to face the problem of insulating a modern window as late as possible, it is worth taking the choice of a window manufacturer as seriously as possible, paying attention to the selection of optimal technical characteristics, focusing on the climate of the region. It is also important to choose a responsible installer and remember to properly maintain the window.

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