Among the main factors causing drafts are:

1. Presence of manufacturing defects in products. Most often, the use of low-quality raw materials in production plastic system can provoke deformation of the entire structure, and with sudden temperature changes, it will even burst. In addition, improper storage of finished windows can also have negative impact for goods. Eg, if metal and plastic profiles are kept for a long time in rooms unprotected from external influences, in the cold, this will also provoke deformation. Ultimately, the quality of the installation will deteriorate, and along with it, the tightness of the structure will be compromised.
2. Low quality fittings and plastic. Considering the importance of fittings for the entire plastic block (responsible for the tight fit of the sashes when closing), there is clearly no point in saving on this. When choosing such mechanisms, it is recommended to give preference to more expensive, high-quality products. It is also worth paying attention to the correct adjustment, as one of the reasons for the appearance of drafts. As for the airtightness, if its quality is low or it is heavily soiled, you can forget about the tightness of the structure: small gaps appear that allow a cold air flow to pass through.
3. Installation without complying with basic standards. Even if the window is made of quality material, and the fittings are from the best manufacturers, if installed incorrectly, the plastic structure will not be able to provide adequate comfort in the room. The work must be carried out experienced craftsmen.Another factor in the occurrence of drafts is considered to be improper window finishing on the inside: installation work with violations, unscrupulous insulation of slopes, incorrect installation of the window sill. As a result, there are gaps that allow cold air.

How to determine the place of blowing

Before you start removing cold air from the window opening, it is more advisable to find problem area, and also understand the real reason for its appearance.
At an external temperature of -20 degrees, a plastic structure with a low heat transfer rate tends to cool greatly, therefore, the air from this window will also be cold. When such air circulates in the room, a feeling of draft is created.

To be sure to determine the location of the blowing, you can use the following method:

1. Light a candle or use a lighter.
2. Pass it around the entire perimeter of the window.
3. In those places where the candle flame will fluctuate greatly and is a problem area.

Slight fluctuations in the flame indicate normal air circulation along the glass.

It is also recommended to check the connection points of the plastic system with internal slopes, since it can blow from the gaps in the slopes or from below from under the window sill. If there is a valid warranty for plastic product and its service must be contacted by a specific company.

Fixing the problem:

1. Blows from the hinges

1. Cause: incomplete filling of mounting holes. Solution: Carrying out a thorough inspection of the valves and closing them tightly.
2. Cause: technological gaps for fixing mosquito net, external openings. Solution: V winter period There is no need to use additional holes; it is better to close them temporarily.
3. Cause: poorly installed fittings or low quality. Solution: completely replace or adjust correctly.

2. Blows from the handle

Cause: The handle of the plastic window has failed, as a result of which the sash is not tightly pressed to the surface (even if only a small gap is formed).
Solution: either adjust or tighten all fasteners, or replace with a new one.

For this:

1. Remove the decorative strip that hides the place where the handle is fixed to window design(turn the bar 90 degrees and unscrew the fastening screws located under it).
2. Disconnect the old handle and install the new one using the same fasteners. Cover with a decorative plate.
3. Make sure the handle is working (if necessary, adjust).

3. Blowing from under the glazing bead

1. Cause: The seal does not meet the requirements. Solution: replacement with a silicone seal, its performance characteristics are high in terms of thermal insulation. For this:
   • Remove the previous rubber gasket;
   • Clean the profile thoroughly from dirt;
   • Apply the required seal.
2. Cause: the presence of manufacturing defects on the glazing beads or loose pressing to window block. Solution: replace with a better quality one, additionally seal the gaps between plastic construction and double-glazed windows using silicone.

4. Blows between the windowsill and the window

Cause: installation of a window unit with obvious violations, in particular, insufficient amount of polyurethane foam.

Solution:

1. Remove the window sill from outside(from the street).
2. Clean off old polyurethane foam, if any.
3. Fill the space completely polyurethane foam.
4. Replace the ebb.

If you feel a slight blow in this area, you can seal the seam with silicone sealant.

5. Blowing from under the windowsill

1. Cause: incorrect installation of the window unit. Solution: calling a specialist from the company that installed the plastic block.
2. Cause: The seal has become unusable, errors were made when installing the window sill. Solution: the resulting gap must be sealed with sealant, polyurethane foam (if large sizes cracks) and reinstall the window sill. Replace the failed seal with a new one using special glue.

If the situation has not changed after all the above steps, the window must be reinstalled.

6. Blows from slopes

Cause: The polyurethane foam has expired, it has completely collapsed and allows cold air to pass through.

Solution:

1. Dismantle the slopes.
2. Foam the existing seams along the entire perimeter of the block.
3. Install slopes.

The most common cause of drafts in a room is considered to be improperly adjusted mechanisms of the plastic structure.

Setting rules:

1. Clamp. Its adjustment is carried out from the end part of the window, where three eccentrics, the so-called trunnions, are located. Using a hexagon, the trunnions are rotated with moderate movements depending on the situation: to tighten the pressure - to the left, and to loosen it - to the right.
2. Accessories. Here all attention is focused on the window lock; if there is an AUBI inscription, then the sash is mounted in a vertical position. This means that the metal bar with the spring needs to be pressed and the handle must be turned to the correct position.

With the inscriptions GO and ROTO, the metal tongue is adjusted under the handle. To do this, you need to press on the tongue and point it parallel to the seal.

1. Don't neglect preparatory work for insulating windows in winter.
2. First of all, the entire plastic block must be thoroughly cleaned of dirt and the drainage channels cleaned.
3. Periodically inspect hinges, mechanisms, and sash strips.
4. When identifying cracks, it is recommended to use high-quality silicone, and moving fittings should be lubricated with grease, this way you can extend their service life.
5. Special attention You need to pay attention to the seals; if moisture accumulates on the rubber elements, replace them.
6. To increase thermal insulation, you can use heat-saving film. To attach it to inside frame will need double-sided tape.
7. If problems are detected and corrected in a timely manner, comfort in the room is guaranteed.

Every person understands how important it is to keep their home warm when cold weather sets in. Heating today is an expensive pleasure, so it is extremely unwise to waste heat left and right. As you know, the main heat loss in a house occurs through windows and doors. For now we are only interested in windows. Of course, it will not be possible to completely avoid heat loss, but you can reduce it. In addition, if it is also blowing from the window, then by eliminating this problem, you can significantly save on heating.

Why does the windows blow at all? The popularity of this problem grows exponentially with the onset of winter. People often come to us with this kind of trouble. But we know what needs to be done with all this. Do you also want to be in the know? In this case, start studying this issue right now. However, we still recommend that you first contact a Teplo Doma specialist.

Blows out plastic windows: reasons

Before you sound the alarm, you need to understand everything. Is not it PVC windows is it blowing? Maybe it’s just too cold outside, and the frame and glass unit are too thin? If this is so, then there is little good here. The installers made a mistake and installed plastic windows that were inappropriate for the temperature conditions. This is precisely why it is better to immediately contact proven and reliable companies.

If it really blows through plastic windows, then here are the main reasons:

• Defective window design. The window should be returned to the manufacturer, of course, if it is under warranty.
• Installation errors. Unscrupulous installers quite often make mistakes during installation. plastic windows. Subsequently, these mistakes cost the owner a pretty penny. If it blows from the slopes or from under the window sill, then this is definitely an installation error. You should contact the company that performed the work and ask them to redo everything.
• Incorrect adjustment. If the window blows from the hinge side, this is most likely due to incorrect or untimely adjustment. The window sash needs to be adjusted 2 times a year. If this is not done, then over time it will not close tightly. As a result, questions arise as to why plastic windows are blown out. Also, the windows may not be adjusted correctly to begin with. In this case, it is blowing from the window from the first day of installation, but it only becomes noticeable with the onset of cold weather.
• Violation of window geometry. This is more related to improper installation.
• Accessories. To prevent wind from blowing from the window, the window structure should be regularly maintained: adjustment, lubrication. If the fittings jam, it will be impossible to close the window tightly, and as a result, the owners will face the problem of ventilation.

• Sealant. If plastic window hinges are blown out, then the fault may be a poor-quality seal. Also sealing rubber may become unusable over time. If this element has lost its properties, it should be replaced, otherwise blowing cannot be avoided.
• Violation of the integrity of the frames. Window frames modern windows, as a rule, are made of plastic. However, this plastic is not always of the highest quality. Plastic can melt from the scorching summer sun, and then become extremely fragile with the first frost. If on the frame there will be a crack, then it will definitely start blowing from the window.

In fact, we could talk more about the reasons. There are a lot of, sometimes even extremely ridiculous situations in which owners find themselves because of their trust in unscrupulous craftsmen.

You need to order the installation and repair of plastic windows only from a reliable company, which has been tested not only by time, but also by people.

The window is blowing: what to do?

So, you are faced with a blowing problem. What's next? The easiest way is to call us. This is really the most the best option. We will send a specialist who will assess the situation and quickly fix everything. Why do you need extra hassle?

Do you firmly believe that you can cope on your own? In this case, you will have to first determine the cause of the blowing and then eliminate it.

The most harmless case is when it is blowing from the windows, because they are not converted to . You probably have never heard that plastic windows have winter and summer modes. So, if all the trunnions at the end of the sash are turned to the desired position, the window will begin to press against the frame much more tightly. As a result, the draft will disappear.

If the window is blowing from below, then you should take a closer look at the window sill, or more precisely at how it is installed. Correctly, the cavity under the window sill should be filled with polyurethane foam, and plaster should be applied on top. You can try to eliminate the draft from under the window using sealant. If this does not work, the window sill will have to be reinstalled.

If a plastic window is blowing from the hinge side, then, as already mentioned, good adjustment will be required.

Windows in a new building are blown out at the junction of the frame and the impost; this is most likely a manufacturer’s defect. You should call the company that did the installation and ask to replace the windows.

If the cause of the blowing is a dried out seal, then it should be lubricated with artificial petroleum jelly. Did not help? .

Blowing between the window sill and the adjacent frame will be more difficult to cure. In most cases, dismantling of the structure will be required.

When air leaks were detected between the wall and the frame, this was again due to poor-quality installation. How to fix it? You can try to seal the seams, however best result can only be achieved if the window structure is reinstalled.

The specialists of our company have made an excellent material for you - “plastic windows blow out: what to do, video.” After watching this video, you will know exactly why it is blowing from the window.

Often, after installing a plastic window, it starts to blow. Such a nuisance can appear not only with a new window, but also with a structure that has already been installed a long time ago and has been used for many years. There are many reasons for this problem and each case needs its own solution to the problem. Often, you can eliminate the blowing with your own hands, but sometimes you need to call in professionals.

It can blow from any part of the window:

1. At the top of the sash.
2. Bottom of the sash.
3. Under the seal.
4. From the slopes.
5. Under the windowsill.

Manufacturers of window structures promise minimal heat loss, reliability and complete tightness, but there are many reasons for this problem. First of all, you need to find out why cold air flows near the window.

Perhaps this is an air convention due to the large temperature difference? A simple candle will help you figure this out - it is lit and drawn along the edges of the sash - the deflection of the flame will show in which area of ​​the window there is light through.

Carefully examine the joints of the slopes and the window frame- if their installation is carried out incorrectly or the insulation is poor, then perhaps cooled air comes from the cracks (both on the slopes and from under the window sill).

If a plastic window has just been installed and the warranty on it has not passed, then it is better to call a specialist to eliminate the defect; if the warranty has already expired, then you can try to solve the problem yourself.

Causes of drafts

There are 3 types of reasons for windows blowing:

1. Installation errors.
2. The window structure is assembled from low quality fittings or plastic.
3. A defect occurred during the assembly of the window structure.

The reason for blowing can be found more broadly:

1. If the fittings are adjusted poorly, the sash will not fit well.
2. Due to installation errors, the geometry of the window structure was damaged.
3. Low quality fittings were used (it is not advisable to save money here).
4. The seal is dirty or its quality is poor.
5. Violation of the integrity of the frame - plastic purchased on the cheap may become brittle from low temperatures or cannot withstand heating in the summer.
6. Poor quality thermal insulation of slopes, their installation with errors.
7. The window sill was installed incorrectly and as a result, gaps formed under it.

Why do blows form in the window structure:

How to liquidate?

Other problems

Whatever the cause of the draft, if it is difficult to eliminate the shortcomings, the best way The solution to many troubles will be to call an experienced professional.

If the window structure has been in use for a long time, but drafts have only appeared now, then it is possible:

1. Sagging of the sash. Over time window sashes They may sag under their own weight, and as a result, they will not fit tightly to the frame. Only adjusting the fittings of the structure can help here.
2. Rubber seals. These elements must be looked after during their entire service life - they need to be updated with silicone-based lubricant at least 2 times a year, otherwise they will dry out. But proper maintenance does not guarantee the safety of the seal after some time, especially if a cheap and low-quality seal was installed during its manufacture. If the fault for the appearance of blowing lies on the seal, then this defect can only be eliminated by replacing the sealing gum.
3. Assembly seam. The installation of the window structure could be done with flaws and the mounting foam in this case will come out from the outside of the wall, collapsing from sunlight and under the influence of moisture. The seam, without high-quality protection from external influences, collapses in a short time, the foam, turning into sand, pours out of the seam, resulting in voids. As a result, drafts appear and even freezing of the slopes, the window itself and the window sill is possible.

There are other reasons why drafts may form, for example, poor functioning of the strikers that serve to tightly press the window sash, but in this case, only an experienced specialist should look for the cause of the defect and solve it.

Often, convection (air circulation) is considered a draft. In winter, a flow of cooled air descends over the surface of the glass, creating a feeling of airflow.

If it blows from plastic windows, what should you do? Many people face a similar problem. They begin to feel the cold air currents coming from the plastic windows. Although it is believed that PVC windows are characterized by their tightness and should not allow air to pass through, such a problem exists. This becomes especially noticeable in the cold season, when the temperature regime in the apartment is of particular importance, since it becomes cold outside and warmth inside the room is necessary.

What to do?

If it blows from plastic windows, what should you do? If the windows were installed a short time ago, you should contact the organization that provided installation services. As a rule, companies that provide such services provide guarantees to their clients. Therefore, if the warranty period has not yet expired, it is recommended to contact the company that installed the windows. Then its employees must eliminate the shortcomings in their work.

If there is no warranty for the windows or it has expired, you can find out the reason for the blowing from the plastic windows yourself. Or contact a specialized company that repairs window systems.

In order to decide whether to repair windows yourself or contact a company, you should understand the reason. If it is insignificant, then you can get rid of the problem of blowing through window systems yourself.

Where does the air leak?

Before talking about the reasons why it can blow from plastic windows, it is worth determining where the windows allow air to pass through. To do this, you will need tools such as a candle or a regular lighter. Using these items, you should determine from which places the air passes through the window.

There are certain safety rules that must be followed when working with fire. Firstly, you don't need to bring a candle or lighter close to the plastic. This is due to the fact that the plastic may begin to deform when exposed to fire. Secondly, a person must ensure his safety when working with fire. Namely, avoid contact of flame and skin. When testing the passage of air through plastic windows, you need to run your hand along the frame and feel the air flow. Particular attention should be paid to the joints of the frame with the slopes and the window sill. In addition, you need to check whether air is passing through where the window fasteners and hinges are located.

Causes

Why does it blow from plastic windows? What to do? Note that there are several main reasons for the problem. We will list them below. So, why does it blow through plastic windows (you will soon find out what to do)?

1. The window may not be adjusted correctly. In this case, air enters the room through the sash. As a rule, there are two types of window adjustments: summer and winter options. If the window is adjusted in summer version, then in frosty weather cold air will enter the apartment or house, thereby causing discomfort to the residents of the house or apartment.
2. Marriage. If it blows from the slopes of plastic windows, what should you do? Another reason may be a defect that was made in production. This includes a poorly manufactured profile, namely a violation in the reinforcement process. In addition, there may be damage to the glass unit. The plastic itself may be of poor quality. That is, the material does not match required standards. In this case, the plastic may not withstand the drop temperature regime in regions with harsh climates.
3. The cause of air leakage may be poor fittings. Therefore, it is recommended to choose high-quality fittings in order to avoid problems with windows in the future. The quality of use is also affected by the insulation; you should not skimp on it either.
4. Window installation is of particular importance. Installation must be carried out by professional specialists with experience. Since a violation of the structure can lead to blowing from the windows.
5. The number of double-glazed windows affects the quality of the window. It is determined by the climatic characteristics of the region. The colder the climate, the more double-glazed windows should be installed.

You should know that the complete absence of air passage through plastic windows is also not very good. Since in this case a greenhouse effect may occur. Air circulation must be present. If it is not there, the windows will begin to leak. Therefore, professional window adjustment is required. We will talk about it further.

How to adjust plastic windows?

As mentioned above, there are two modes for adjusting plastic windows, namely summer and winter options. The first option assumes the presence of a micro-ventilation mode in the adjustment. This is necessary to ensure that the room has a favorable microclimate. Winter option involves a tight fit of the window sash to the frame. This reduces the air flow into the room.

If it is determined that air enters the room along the entire perimeter of the sash, this means that the mode should be changed from winter to summer. In order to implement this process independently, you should understand how the window structure is made. There are clamps around the entire perimeter of the window. They ensure that the sash fits tightly to the window frame.

Switching between modes

In order to ensure a tighter fit of the sash to the frame in winter, you should turn the internal clamping mechanism as far as possible to the right clockwise.

For summer mode This procedure should be carried out in the opposite direction. An important point is that all internal clamping mechanisms are adjusted equally. If such action is violated, then it is possible window frame will break. It should be said that if there are doubts about the correctness of carrying out these actions on your own, then it is better to turn to professionals.

You should also know that there is an automatic window transition from summer to winter mode and vice versa. In this case, the mode is introduced by the manufacturers into the fittings. Thus, switching the window to the desired mode will not be difficult.

Loop area

If it blows from plastic windows, what should you do when it comes from the hinge area? If it is found that cold air is coming from the loop area, then it should be examined this mechanism. The fact is that there are several elements located there that can cause this problem.

So what should you do if it blows from the hinges of plastic windows? What to do in this case? The most common reason for air passing through this area is the presence of outside mosquito net fastening elements. In this case, a sealing process should be carried out. Then cold air will stop flowing into the room.

Also, the reason for the entry of cold air into the room is fittings that do not meet quality standards. Or the window installation was carried out poorly. If the reason for the penetration of cold air into the room is due to unscrupulous installation, then you should call a specialist. He will adjust the fittings and eliminate the source of cold air entering the room.

If the fittings do not meet quality standards, they must be replaced. It is better not to save on this parameter initially, but to buy a window with fittings High Quality.

Blowing from under the windowsill

We figured out why it is blowing from under the plastic windows. What to do if it blows from the window sill area? If during the inspection it was revealed that cold air flows are coming from below, from the area where the window sill is located, this may mean that there is no sealing. When installing a window, the distance between the lower frame and the window sill is filled with foam. If air is blowing, then there are holes.

What to do if it is blowing from below a plastic window, what should you do? It is recommended to putty the foam to avoid impact on it. external environment. You can fix poor-quality installation yourself using a sealant. If it does not give the desired results, you should remove the window sill and correct the defects from the inside.

Finally

Now you know why it blows from plastic windows and what to do in this case. We hope that this information was useful to you.

Metal-plastic windows differ from products made of similar materials reliability and . But even new structures can have a common defect - lack of complete tightness. The first sign of such a problem is that it starts to blow from the plastic windows. What should a common man do in this case? You can try to fix the defect yourself.

Adjusting fittings

After installing the plastic window, the initial adjustment of the fittings system is performed. The same procedure is done after 2-3 months, when the structure finally takes its position in the opening. The frequency of adjustment in the future is every six months.

If this is not done, the sash will change its position relative to the frame. The consequence is that the overlap will decrease and microcracks will appear. They are the main reason why there is draft from the windows. It is recommended to invite a specialist to make adjustments or try to do it yourself. To do this you will need a 4mm hexagon.

The amount of overlap is 8 mm. Adjustments can be made in the following ways:

• Bottom (top loop) and swing-out scissors. These elements have hexagonal holes. They allow you to change the position of the sash in vertical plane or in height. The exact adjustment instructions depend on the type of fittings.
• Using trunnions. They provide tight pressure on the sash. In some systems, the trunnions are shaped like an irregular cylinder. By turning them on the pin, you can improve the pressure of the transom.

After these steps, it is necessary to check the tightness of the closure. This will require thin sheet paper It is inserted between the sash and the frame, the first one is closed. The paper must be pulled out with force.

Insulation of slopes

Another source of drafts is poor-quality slopes. Their final arrangement is carried out after 3-5 days from the installation of plastic windows. If sufficient tightness is not ensured, the slopes will cause heat losses.

Obvious signs are the appearance of mold and dampness on the wall. To solve this problem you need to take the following actions:

1. Dismantle the slopes down to the polyurethane foam.
2. Treat the wall with antifungal agents.
3. Install butyl rubber tape to prevent moisture.
4. Install a protective and decorative layer as the base: plaster, sandwich or similar materials.

After this the problem should be resolved. If it continues to blow from the side of the window, there are other sources of draft.

Replacing the seal

To ensure tightness, seals are installed in special grooves at the ends of the sashes and frames. Their average service life is 3 years. After this, the material begins to lose its properties - its ductility decreases, and after pressing it does not regain its previous shape. The latter is the cause of drafts.

The solution is to install a new seal loop. But you need to take into account the following nuances:

• For each type of profile, a special type of seal is used. The difference is the cross-sectional configuration. It is recommended to consult with the company that installed the plastic windows.
• In some types of profile, the sealing contour is soldered into the profile. Its replacement is impossible or requires the use of complex technologies.
• For self-installation The sealing contour will require a special roller. With its help, the rubber is fixed in the groove.

It is important that the new seal contour does not interfere with the normal closing of the sash. Additionally, you can adjust the fittings - the pressure of the transom.

We identify manufacturing defects and installation errors

The most difficult case is non-compliance with the manufacturing technology of plastic windows or mistakes made during their installation. This is determined in the first days after installation. But obvious signs appear with the onset of cold weather, when the difference between the temperature outside and indoors increases.

List of common defects in window construction caused by the fault of the manufacturer or installers:

• Poor quality seam between profiles. Microcracks can blow.
• The glass unit does not fit tightly to the rubber seal.
• Lack of sealant layer between the Mauerlat and the frame.
• Slots in the joining profile connecting two structures.

Such defects must be corrected under warranty. If it has expired, you can isolate the place of penetration of street air using special sealants. If the volume is large, redo the window or order a new one. About, .

The video explains in detail what to do to self-adjustment sash windows and eliminating drafts: