The plastic window doesn't close well. How to fix and adjust. What to do if the handle of the plastic window does not turn? Plastic window sash handle won't close

Quite often, happy owners of plastic windows complain about them.

A properly installed and glazed window usually does not need to be adjusted, although sometimes adjustment and adjustment is still necessary.

Either it does not close, then the handle falls off, then it fogs up a lot, then you need to press on it when closing, etc. In fact, there are quite a few nuances in their operation. So what do you do if plastic window won't close or doesn't close well? The most important thing, of course, is not to panic. Well, repairing a plastic window to a person who does not have the slightest idea about their device is also not worth it. Since this can lead not only to the complete failure of the fittings, but also to its falling out of the opening both on the street and inside the apartment.

The most common reason for sashes not closing is their age. The older, the worse the situation. Most likely, the age of the window is more than eight years. At the time when it was installed, there was simply no proven high-quality fittings yet. And if some firms had it, then the specialists installing it did not have enough experience for its high-quality installation.

Only a specialist can determine the exact cause of the breakdown during the inspection. Let's take a look at three of the most common causes breakdowns:

1) The first reason is the sagging of the sash

This is manifested by the fact that the sash begins to close poorly and constantly cling to the side or bottom of the window frame. To close the sash, it must be slightly raised. And every time it becomes more and more difficult to do it.

The reason for the sagging is the fact that the sashes have never been adjusted before.

The reason for the sagging is the fact that the sashes have never been adjusted before. The frames themselves are very heavy. Their weight plus their frequent opening and closing leads to the problem of sagging. But this defect is easy to fix. The most important thing is not to over tighten. You need to remove the decorative plastic overlay from the hinges and look at the end at the bottom and top. There is an adjustment element. As a rule, this hole is an asterisk, a hexagon or a hole for the most ordinary screwdriver. The tool you need to do this job depends on the type of hole. There are fittings where there are special adjusting elements on the hinges on top.

You need to carefully tighten all the elements. After that, try to open and close the sash. If everything is done correctly, then this should not cause you any effort. After checking, you need to put back the decorative lining.

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2) The second reason is the case when the sash hangs on one hinge from below and does not close

On the sash there is such an element, which is called a blocker from erroneous opening. Its function is that it does not allow the window to open in the tilt position. Some windows do not have this element. Therefore, if it is not opened correctly, then a dangling sash appears on one hinge from below. Inside the room, its upper part collapses. With a strong gust of wind, it can tear the loop from below and fall inside or outside.

The reason for this failure is the lack of a blocking element on the double-glazed window. If it is not there, then the window, when you open and close it, must be held. You can try to correct this situation if, by turning the handle to the reclining position and pressing the sash with your shoulder, press it against the frame with force. In this position, you need to try to turn the handle again to the rotary position. If this technique does not help, you need to call a repair specialist. Since frequent attempts to repeat such a technique can lead to the fact that the fittings will fail entirely.

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3) The third reason is that the handle is in a tilted position and does not turn

If there is a blocker in the fittings, but it often jams, then the handle will sooner or later stop moving to the swivel position from the folding one.

If there is a blocker in the fittings, but it often jams, then the handle will sooner or later stop moving to the swivel position from the folding one. When you try to turn it, it will feel like the handle rested on something. Turning it with force is not worth it, as you will simply break all the fittings. Cause similar situation is that an element such as scissors, which are located at the top of the sash, simply flew out of their grooves. To correct this situation, first of all, it is necessary to remove the sash. To do this, a decorative overlay is removed from the hinges and pressed on the hinge pin from above. Using pliers or pliers, you will need to pull out the succumbing pin. After that, you will need to carefully remove the sash from the hinges and, placing it on the floor, try to turn the window handle to the folding position. If this does not work, then you will need to tighten the opening blocker by mistake. It looks like a spring bar next to the handle on the side of the sash.

For high-quality sealing of the room, exclusion of drafts, maximum reduction noise level in apartments and private houses, the owners install plastic windows. High-quality, properly adjusted, fittings support correct work constructions, provides sufficient pressure of the frame to the sash. The handle controls the position of the flaps.

Sometimes problems arise: the plastic window does not close completely, there is a loose fit of the sash to the frame. Possible options: the handle is loose, the element is jammed, it is impossible to return the part to its end position. There are more difficult situations: the sash opened for both plowing and ventilation, it is not clear how to fix the situation without damaging the structure. Professionals give advice, presented in an accessible language for non-specialists, on troubleshooting common problems.

Why plastic windows do not close

The main causes of breakdowns, violations of operational characteristics:

low-quality fittings, fake under famous brands;
the plastic window was installed many years ago, the elements are worn out;
improper operation of the structure, sudden movements during the change of modes, frequent exposure of heavy balcony blocks for ventilation;
the purchase of a design with significant discounts, which should give rise to the idea of a possible low quality of fasteners, seals, and small parts;
not quality installation window blocks, window sills, fittings;
poor maintenance of plastic windows: lack of periodic lubrication of metal elements;
the owners sharply, with pressure, open and close the sashes, do not hold the opening balcony part when moving to the “ventilation” position;
the window system is worn out not only from time to time, but also from improper operation;
plastic windows are operated in extreme weather conditions, temperature fluctuations often occur;
the owners independently adjust the fastening zones, change the fittings, which can lead to inaccurate installation of parts, problems with opening and closing parts of the plastic window.

The window does not fit well to the frame: what to do

The main causes of the problem:

the adjustment of the clamping eccentrics located at the end of the sash is broken;
seals dried out, lost elasticity.

What to do:

timely adjust the clamping eccentrics depending on the season of the year, the need for air access and the degree of compaction. In the warm season, a less dense clamp is needed. To switch to the "Winter" mode, turn to do it with a hexagon, an asterisk key or pliers for a tighter connection. If the rules are violated, frosty air seeps through the thinnest cracks, which worsens;
if the reason lies in a cracked seal, then you will have to replace the elastic part. The service life of elements without loss of elasticity is up to 6 years, regardless of the manufacturer. You will have to replace the failed seals with new ones. The operation is simple: remove problematic seals, carefully clean the grooves from crumbled material, fix new silicone or rubber elements.

On a note! Always be careful about the condition plastic structures and window blocks. Every 12-24 months it is obligatory to carry out preventive lubrication of fasteners.

Handle sticking in the "Closed" position

The main reason is the untimely operation of a part called a sash blocker. In this case, the handle stops in the buried or open position and does not turn further.

What to do:

press the blocker in the direction of the rubber seal, carefully move the handle to correct position;
only after this operation will it be possible to close the plastic window without problems.

Another common problem is that the blocker does not contact the stop, the parts do not clutch. Negative factor- expansion of materials under the influence of temperature.

What to do:

carefully unscrew the stop from the window frame, find the gasket, put it on for the best grip;
then fix the element in place.

Sagging sash: what to do

A serious problem faced by owners who have plastic windows installed many years ago. Over time, the sash sags, when opening / closing it clings to the side or bottom of the window frame. The more the sash lowers, the more difficult it is to properly operate the window.

If the owners never adjusted the structure, did not call the masters at the first sign of friction on the frame, then over time the part sags much more. Despite the apparent seriousness of the defect, it is not difficult to eliminate the defect.

What to do:

the first stage is to remove the plastic lining that covers the hinges, inspect the lower and upper ends, find the adjusting part. In this zone there are holes for placing a key or a hexagon. Given the variety of the adjusting element, you need to choose the same tool to carry out the correction;
some types of fittings have the possibility of lateral adjustment. It is important to know: the adjusting elements perform a specific function: shift left-right, forward and backward, tilt and others;
it remains to adjust every detail, check whether the sash has recovered to its original place, whether the sagging has disappeared. It is necessary to adjust until a smooth sliding of the bases of the "hook" of the sash appears;
it remains to return the decorative plastic lining to its original place, and continue to use the window;
with the correct correction, the sashes will not sag for another five to six years.

The sash hangs on the bottom hinge, the window does not close

The cause of the problem is not in the design important detail- erroneous opening blocker. This detail prevents the plastic window from opening in the "Ventilation" position. If the structure is opened incorrectly from this position, a situation arises when top part falls inward, and gusts of wind can tear important element fastenings - the lower loop.

What to do:

put the handle in a folding position, press the sash well with your shoulder against window frame. The next step is to carefully but surely try to return the handle to the correct turning position. You can’t rush, make sudden movements, so as not to spoil the fittings, to prevent damage to the structure;
not always the owners manage to correct the problem on their own. If there is no result when repeating the proposed actions, you need to call a specialist in the repair of plastic windows. If you act incorrectly, swing the sash, you can break the structure, violate the integrity of the fittings.

If you have problems opening and closing plastic windows, you can try to fix the situation yourself, using the instructions suggested above. If the first time it was not possible to return the handle or sash to the correct position, then you need to contact the company that installs plastic windows. Professionals will quickly correct the situation, suggest preventive measures. To reduce the occurrence of risk listed problems carry out regular care for structures: it is important to know how often to change the seal and lubricate the fasteners. Quality windows with modern fittings they serve for a long time and reliably, the question rarely arises why the plastic window does not close.

What to do if the sash of a plastic window does not close? Helpful Hints in the next video:

Plastic windows can now be seen in almost every building. The first windows were installed 10 years ago. They are practical, but, despite the considerable cost, quite often fail. Some breakdowns can be easily repaired on your own. How to do this, let's figure it out in this article.

The main reasons why the window does not close

There are dozens of reasons for such a malfunction. Sometimes the first problems begin to appear after 5-10 years of operation. At the same time, there are cases when the window stops closing after a few days.

It is possible to finally understand what exactly caused the breakdown only with a thorough examination of the idle mechanism. The point may not be at all in poor-quality fittings, perhaps the window was incorrectly installed or incorrectly adjusted. In addition, we often sin on the quality of the mechanism, despite the fact that we ourselves open the window incorrectly.

A plastic window consists of a frame, a double-glazed window and the opening mechanism itself. Accordingly, if the window is installed correctly and it does not close, then first of all it is necessary to try to adjust the fittings. The layout mechanism for all windows is the same, so all types of breakdowns are characteristic of one or another part.

Important! If the window does not close properly, it may need to be replaced. rubber seals, or clamps not adjusted.

The situation is more serious when the window does not close at all. Most often this happens for the following reasons:

The sash hung on its hinges.
The handle lock has been activated.
The scissors flew out of the slots.
The sash clings to the frame.

You can deal with the listed malfunctions on your own without the need to call a specialist at home.

What to do

Do not overestimate your efforts, if you are not particularly versed in repair issues, then it is advisable to immediately call a specialist. Each breakdown is individual, each case requires a special approach.

Even the most simple operations require a serious approach. The weight of a double-glazed window can vary from 20 to 100 kg. If the structure is incorrectly adjusted or the mechanism is broken, the sash may fall in or out, and then it will be necessary to do complex replacement all fittings.

In the case when the sash does not close or the mechanism jams, you should not try to return the handle to its original position by force, this will only lead to the fact that the fittings will be completely broken.

Important! If this metal-plastic construction is under warranty, then you need to contact service center. Warranty repair should be free of charge.

What to do if the handle is jammed

Most windows are equipped with special erroneous opening blockers. This blocker is used to prevent the sash from opening in the tilt position. When a low-quality blocker is installed, jamming occurs, so the handle stops turning from the top folding position to the side.

Important! If a rotary mechanism jammed, then in no case should you try to turn it by force.

Most often, the reason is that when the lateral position is opened, the sash does not fit snugly against the window, and the mechanism does not have time to close completely after the tilt position. Thus, the handle is blocked, and the section hangs on one bottom loop. For repair, it is not necessary to remove the sash itself, it is enough to adjust the blocker mechanism.

You need to find the blocker (it is located at the bottom of the closing block itself), then, by pressing this spring, you need to move the handle to top position. After, also pressing the blocker, you need to press the upper left corner of the window to the frame and move the handle down. After the window is closed, you need to try to open it in any position, if the mechanism worked, then the blocker is working. In the event that the blocker is out of order and the handle does not turn, it is necessary to call a specialist.

When the handle closes badly or sticks all the time, there is a high chance that the pivot mechanism needs lubrication or the clamping mechanism is clamped too tightly. It is not difficult to loosen the seal, since they are located along the perimeter of the sash; in order to lubricate the handle mechanism, it is necessary to remove the sash and disassemble it.

Similar problems most often occur with windows with wide massive sections. The reason for the sagging is the incorrect installation of the structure and the lack of timely adjustment of the windows.

The sashes are hinged, so due to constant opening, they can sag over time. This results in poor closing.
To eliminate sagging, you need to adjust the hinges. To do this, you must first remove the decorative plastic lining from the hinges. There must be special gaps on the hinges above and below, they are different for different manufacturers, a regular or Phillips screwdriver can fit the hole, possibly a hexagon. You need to twist every loop and every hole. Usually it is enough to scroll up to 1 mm. If everything is done correctly, closing should occur freely, without sagging of the section.

When there is no blocker, very often there are cases that, with inaccurate movement, the window opens in two positions at once: folding and horizontal. Thus, it turns out that the sash hangs on one loop. It will have to be removed from the hinges, for this you need to remove the plastic lining and use tools to press on the hinge pin. Next, you need to carefully pull out the pin and remove the window section from the hinges.

After removing it, you need to try to turn the handle up, if it is jammed, then you need to press the blocker and repeat the maneuver again. If the handle does not turn, then you need to insert the scissors into the special grooves. The scissors are located at the top hinges of the window section. In the normal position, the scissors should be pressed against the seal. Pressing the blocker, you need to turn the handle and follow the course of movement of the scissors, adjusting them so that they smoothly enter the special grooves. Finding where the grooves are located is easy. After you need to check if the handle works without a lock. If everything is in order, then the sash can be put in place.

What to do if the sash clings to the frame

This is usually due to sagging. It occurs when adjustment of the loops is necessary. The hinges are adjusted as described above.

If the section clings to the frame after adjustment, then the frame or sash may be deformed, in which case you need to call a specialist. If the frame is deformed, then a factory defect is possible, and the closing mechanism will not work normally. Such a problem may lead to the fact that the structure will have to be replaced completely.

A situation may arise when, on the whole, everything is in perfect order, the window layout mechanism works like clockwork, but when put back in place, the section still does not close. It can be blocked by a drainage strip, which is installed on the outer part of the window, it must be located symmetrically. If the bar has moved, then it is easy to return it to its original position, and it will not interfere with closing.

We have listed the most basic types of hardware malfunctions that may prevent the sashes from closing. There are more complex problems with components, but for repairs you need to have the appropriate knowledge and skills. Otherwise, you will have to pay for a replacement. window mechanism fully.

To protect yourself from possible problems with the operation of the window mechanism, it is advisable to purchase products from trusted manufacturers. Practice shows that what better product, the longer the guarantee is provided.

A video on this topic would be very helpful.

If the handle of the plastic window is jammed, this can be caused by several reasons.

Poor quality or defective hardware. It is better to order accessories from well-known manufacturers and thereby reduce the risk of problems.
Window offset relative to the frame. Thus, it begins to close worse and the handle almost completely stops turning into its place. This may be caused high humidity, frequent precipitation or poor-quality material.
Accumulation of dust in the mechanism itself. This leads to clogging of the space between the window and the frame, and therefore the handle begins to stick.
The grease between the bolts has dried up. In this case, jamming occurs when opening and a characteristic creaking occurs at the same time.
A sharp turn of the window handle, which leads to its loosening and the state when it opens from two sides.

Window handle won't close all the way

How to open a plastic window if the plastic window handle does not close completely? First you need to try to close it without turning the handle of the plastic window. One of the reasons why the handle does not turn to the end may be a defective clamp on the side where there are loops.

The adjustment is as follows: you need to move the clamp down half a centimeter, without removing the adjusted element from this position. If this does not help, then perhaps the problem is in the window hardware itself.

In another case, the cause of deformation may be the sagging of the sash, which means that the eccentric - the adjusting screw - cannot control its position.

Also good decision for this problem, a handle with a lock made of PVC profile. The advantage of such a handle is that it is fixed in its position. The adjustment of its stable state is ensured by the fact that the handle with a key allows you to tightly adjust the plastic windows relative to the frame and open the structure only when necessary.

Handle does not turn up or down

If the handle cannot be turned vertically, it is worth asking the question: how to remove the handle from the plastic window?

This is necessary in order to, depending on the problem, change the handle on the plastic window, and then move it to a new position. To repair the mechanism with your own hands, you will need a hex key.

Then the handle can be adjusted:

Horizontal - This uses the top scissors and the bolt on the side of the bottom hinge.
Vertically - the upper bolts interact.
Back and forth - there is an adjustment of the lower and upper loops.

What to do if the handle turns

If the handle scrolls silently and there are no obvious problems, then the reason is that the built-in rod has completely fallen out of it, and in this case, the window should not be operated in the future due to the threat of damaging its mechanism even more. In this case, it is worth purchasing a new rod and installing it step by step.

However, if this is not the problem, the adjustment should be made as follows: you need to remove the handle from its usual position, prying the larva at its base, and find a metal rod. If it is not damaged, you need to put the part in place, while the handle must be strictly turned down.

Loosening of the handle if jammed

If the window handle is loosened, this prevents the normal functioning of the entire structure. How to open a plastic window in this case, so as not to damage the entire mechanism?

In this situation, the following adjustment is used:

Turn the decorative trim parallel to the window sill, but do not use sharp objects when doing this.
Tighten the mounting screws with a screwdriver until each one is tight and firmly in place.
Return the handle back to the same position and check the result.

List of possible faults

It is worthwhile to figure out what problems that require the installation of handles for plastic windows generally exist.

The handle attached to the plastic window is constantly loosened.
A jamming element that leads to jamming of the window handle.
The handle doesn't turn at all.
Turning the handle relative to its normal position.

How to replace the handle

If none of specified instructions does not lead to a solution to the problem, it is worth leaving the window without a handle. For this you need:

Rotate the decorative soft cover horizontally so as not to damage it.
Loosen the top and bottom screws.
Remove the rotating carrier rod from the handle.
Install the new handle in reverse order.

Device

The handle itself consists of a supporting metal rod, which is responsible for how to adjust the position of the structure. A protective plastic layer several millimeters thick flows around it from above.

Some window handles have a safety mechanism: in this case it is used with a lock. A closed lock protects the window from unexpected opening, protects against the entry of thieves into the house, as it blocks all ways of getting in from the outside.

A properly functioning plastic window is necessary to seal the room. With normal adjustment, the fittings press the sashes against the frame, and they are controlled by the handle. But it happens that the window does not close. It is important to determine the cause of this phenomenon, and then fix the problem. More about this in the article.

Sash tilt

Due to skew, a gap may appear between the sash and the frame, into which air from the street will enter. This defect does not allow the sash to fall into place. It will cling to the side and lower ledge of the frame.

If the plastic window does not close, it is necessary to change the angle of the sash, move it in a vertical or horizontal plane. To do this, there are adjusting screws located on the hinges of the sash. From them it is necessary to remove the protective pads, under which there will be holes for a hexagon or an asterisk key. During the rotation of the screws, it is necessary to obtain a normal closing of the sash and the elimination of the gap. The lower loop is adjusted in 2 planes, and the upper loop can be without adjustment or shifted to the right and left.

Poor fit to the frame

The window does not close when the seal loses elasticity, and also due to a failure to adjust the pressure eccentrics:

Seals must be cleaned and sanitized periodically. silicone grease. If this is not done, they lose their elasticity after 5-6 years. Then they crack and let air into the room. If this happens, then you should buy and replace the seals. To do this, remove the old products, clean the grooves, and then install a new gasket.
The eccentrics, which are located at the ends of the open doors, can be fixed in 2 positions: "Summer" and "Winter". In the first case, the clamp is not very tight, and this may not be very convenient in winter. To set the eccentrics to the desired position, you need to turn them by 90 ° using pliers, an asterisk or a hexagon (the choice of tool depends on the type of fittings). This allows you to get a tight clamp. When the cold is over, you need to put the eccentrics in their original position.

Faulty window in tilt position

If the window handle does not close after ventilation, possible cause the exit from the grooves of the fittings, which are called "scissors", is considered. This element is used to open the sash in ventilation mode. The handle will be locked. With the simultaneous tilting and opening of the window, there is a risk of breaking out the lower hinge, since the weight only affects it. You should not throw the sash in this form, it must be covered. If the handle does not turn well, do not apply much force, otherwise it may lead to more damage.

How to fix this defect if the window does not close? Work is performed according to the following instructions:

The sash must be removed from the frame. To do this, remove the trim from the upper hinge, pull the hinge pin down with a knife or screwdriver. Then it is pulled out by hand or with pliers.
Then you need to remove the sash from the bottom hinge. To do this, you should slightly lift it up.
The sash must be placed on the floor with the bottom.
You should find the grooves that the "scissors" can enter and install them. To do this, press on the end of the sash on the handle rotation lock.
Then it is important to check how the pen works. It should turn easily.
The sash should be put in place.

In some cases, the flown "scissors" are installed without removing the sash, if there is a place at the top. If the handle does not turn and the plastic window does not close, it is necessary to troubleshoot carefully so as not to aggravate the situation.

Simultaneous opening of the sash for plowing and ventilation

The window does not close often because the handle is set to the “Open” position, and it is moved up during the ventilation mode. It turns out that the sash will recline and swing open. The handle is locked. This does not mean that the window has broken. It's just that the sash is in a position where it can't be closed.

The problem is fixed in the following way:

The handle is located in vertical position. It is necessary to press the sash to the frame in the upper corner. It will be installed in its place.
Then press the lock on the sash.
Move the handle to the open position.
At the end, the sash must be closed.

Malfunction in the "Closed" mode

If the window handle does not fully close in the closed or open form, then this may be due to an untimely actuated sash blocker. It is necessary to press it with your hand, and then put the handle in the usual position. This will allow the window to close normally.

It also happens when the blocker misses the stop with which it should engage. This is due to the thermal expansion of materials. You should unscrew the stop from the frame, and then put a gasket under it. Then everything is screwed into place. If there is a displacement of the sash, it is necessary to carry out the displacement of the stop in a vertical position.

Handle not working

If the handle does not turn, the window does not close, then the reason for this is usually the drying of the lubricant on the fittings. If the design works for several years, then this problem will be natural. In this case, it is necessary to lubricate the fittings using special holes located on the top and sides of the sash.

Any lubricant or oil is suitable. But it is advisable to use a silicone agent. After that, it is necessary to twist the handle so that the lubricant is evenly distributed. Usually helps if the reason was this.

Repairs can complicate the situation, during which the doors become clogged with dust and debris. In this case, lubrication will not be the solution. It is necessary to completely disassemble and wash the fittings. For this, it is better to call the masters. It is important to check if the handle functions with the sash open. If in this case the plastic window does not close well, then the reason is related to the breakdown of the fittings. You will need to call a specialist. If the window is functioning, then it is necessary to check whether the eccentric of the sash end rests against the clamping part on the frame. Usually this serves as a hindrance to closing. Need to move the site or sash up or down.

Handle breakage

If the window does not close completely, then the breakage of the handle may also be the cause. Or it could just be loose. You need to tighten the handlebars. To do this, the decorative cap located at the base is rotated 90 degrees. There are 2 screws that need to be tightened with a screwdriver. Then the plug is installed in its place.

If the handle breaks, unscrew the retaining screws, and then remove the old handle from its place. Installing a new part is easy. It must be placed in the hole, and then tightened with screws. You will also have to change the fittings if you want to install a handle with a lock.

Prevention

To avoid any problems with the window, you need to follow simple recommendations:

Quality glass installation is essential. This means that both corners must be at the same level. If there is a misalignment, then due to the high pressure, the frame will bend, causing breakdowns and looping.
During installation, the product must not be subjected to mechanical damage.
It is desirable to install the window on mineral glass wool.
It must be remembered that the width of the window sill should be such that it does not block the passage of heat from the battery.

Proper operation

It is also necessary to adhere to the rules for using windows. A few simple tips will help with this:

Do not apply much force during closing, as this may damage the handle.
It is forbidden to hang any weights on the handle.
During opening, do not press hard on the slopes.
When on the street strong wind, the window must be closed.
Damage must not be allowed.
There should be no unnecessary objects between the frame and the sash.
The sash must not be open.
Humidity control is important - no more than 50%.
Every day, the sash must be opened for ventilation.

Care

No less important is the care of plastic windows. It is as follows:

In double-glazed windows there are channels for removal excess moisture. They are located at the bottom of the frame. It is important to monitor the status of these channels. They should be regularly cleaned of dust and dirt.
Hardware should only be cleaned by special means that won't be harmful anti-corrosion coatings. Do not choose alcohol solutions, dish liquids, nail polish removers or gasoline.
To increase the shelf life of the product will allow the lubrication of fittings (2 times a year). In addition to silicone oil, you can use machine oil.
It is important to control the quality of fixing the fittings to the frame, as this determines the smooth functioning of the window and its serviceability. To do this, it is necessary to check the strength of the screws in the plastic. If they are weakened, they are tightened.

Thus, the plastic window may not close for various reasons. Many problems can be fixed on your own. If it is difficult to deal with this problem, then you need to call a specialist.

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