A double-glazed window burst: reasons, what to do? A glass unit cracked: reasons, what to do? The glass on the window is cracked, what should I do?

Technological progress does not stand still. Wooden windows have been replaced by new and modern ones, different high quality. Plastic windows have gained immense popularity among the population. They have excellent sound insulation, tightness, and are easy to maintain. Plastic windows serve as decoration for an apartment or any other room. you will forever get rid of drafts and street noise. The windows of your apartment will always be clean and transparent. But what to do if you notice that the glass in a double-glazed unit has cracked?

Plastic windows these days are a very common phenomenon, about which articles are written in magazines, newspapers, and on the Internet.

You can call professionals and they will quickly repair your window. But you can try to get rid of the crack in the glass unit yourself. To repair it yourself plastic window, you must first find out how they are produced, what their design is and why a crack may appear on the double-glazed window.

Double-glazed window design

If the handle of a plastic window has become unusable, cracked or broken, it must be replaced.

Structurally, a double-glazed window looks like this: two or more glasses and a spacer frame with a desiccant, all of this is held together with internal and external sealant.

Any glass can be used for double-glazed windows. The window to which they are presented special requirements, equipped with special glasses. Now windows are made by pre-order, and you can order a window from any glass.

Don't skimp on double-glazed windows. A cheap one may be susceptible to fogging, both outside and inside, and this will lead to freezing and possibly breakage. The thicker the glass, the stronger the window will be.

For the manufacture of spacer frames, galvanized steel, aluminum and sometimes plastics are mainly used. The frame is made hollow inside and filled with a desiccant that prevents fogging. There are small diffusion holes on the spacer frame.

It conducts heat well, which means that a cold bridge is formed inside the glass unit and freezing of the glass is excluded.

Dehumidifiers are used to prevent fogging and freezing during the cold season.

The most popular desiccants are silica gel and molecular sieve. Very often they are used together.

To improve heat and sound insulation, the space between the glass is filled with inert gases. The denser the inert gas, the better the sound and heat insulation of the glass unit.

The most popular gases for filling interglass spaces are krypton and argon. Sometimes a mixture of these gases is used for filling.

A single-chamber double-glazed window consists of two glasses, a double-chamber one - of three, a three-chamber one - of four, and so on.

Causes of cracks

If you find a crack in a double-glazed window, you should seal it with transparent tape and immediately contact a specialist.

The most common cause of cracks in plastic windows is mechanical stress on the glass:

1. Hitting a heavy flower pot or flowerpot, which is often placed on windowsills.
2. Ingress of debris during strong winds and other natural disasters.
3. Excessive force when closing/opening.
4. As a result of internal damage to the glass.

Violation of the tightness leads to leakage of gas, which is responsible for thermal insulation. Besides, it's just not pretty. Therefore, if a plastic window is cracked, it must be urgently replaced or repaired.

But there are times when you see that the glass is cracked without visible reasons. In fact, they are.

A glass unit can burst due to the following reasons:

1. Intentional blow or pressure.
2. Unintentional pressure or impact during closing or opening.
3. Failure to assemble the glass unit by the manufacturer.
4. Inaccurate measurement or incorrect installation, which led to a violation of its geometry.
5. Changes in pressure and temperature of the external environment.

Everything should be clear to you about the first reasons. Let's take a closer look at the latter.

The space between the glass is filled with inert gases or air. This structure is completely sealed. The glass unit is subject to atmospheric loads: pressure and temperature, and this leads to mechanical stress in the glass and the occurrence of lens formation.

If your double glazed window is made of thin glass and low quality plastic was used, then it is not surprising that your glass cracked. During lens formation, the glasses can even touch each other in the center of the glass unit.

Typically, such cracks are crescent-shaped and located in the center of the glass. This occurs if the manufacturer stores finished products in unheated rooms.

Repair

If the glass on your plastic window is cracked and you need to replace it, you don’t have to resort to the services of professionals. you can fix it yourself.

Remove and measure the glass that is cracked and buy a new one.

To repair a double-glazed window, you will need a minimum set of tools and equipment.

1. Chisel.
2. Hammer.
3. Gloves.
4. Stationery knife.

Wear gloves to avoid cutting your hands. Insert the chisel between the window and the bead, tapping the chisel lightly with a hammer. Remove the bead and remove the cracked glass.

Carefully place the removed glass unit on the table, stationery knife cut the sealant at the junction of the glass and the aluminum partition. This must be done very carefully. We cut the sealant around the entire perimeter, and then carefully remove the cracked glass.

We coat the aluminum partition with black sealant and leave it to dry for 10 hours. After the sealant has dried, we insert a new one in place of the damaged glass. Then the glazing beads should be installed. The short ones are installed first, then the long ones.

The repair time, if the sealant does not dry out, is three hours.

There are two ways to correctly measure damaged glass:

1. The first is to dismantle the cracked glass and take measurements from it.
2. The second is to dismantle the glass and place it on the workpiece and trace the outline, and then cut out the glass.

If you have problems with the operation of a plastic window, be sure to make repairs. Otherwise it may cause damage.

If the sash has difficulty entering the opening and touches its lower part, then this malfunction will be removed by lubricating the fittings located around the perimeter of the sash.

Broken hardware parts must be replaced with new ones. A new part can be purchased at a store that sells accessories.

1. Small cracks in the glass unit can be sealed with transparent tape.
2. If the window begins to leak, this defect can be eliminated by adjusting the sash pressure elements, as well as installing a new seal.
3. If the locks are installed incorrectly and this leads to a violation of the tightness, you just need to change and install the locks correctly.
4. To ensure that situations arise in which you cannot do without repairs as rarely as possible, try to operate it correctly. Open and close the window smoothly and evenly and try not to use physical force.

You can’t foresee everything, but if a situation arises that requires repairs, then take it seriously. Any breakdown can be corrected with your own hands, if it is not a manufacturing defect or incorrect installation.

Correct operation and maintenance, timely minor repairs will provide long years operating the window.

Your apartment has brand new plastic windows, which delight you with reliable thermal protection, functionality and attractiveness. But suddenly an annoying crack may appear in the glass. Why did the glass unit burst? Let's try to figure this out.

Double-glazed windows are manufactured in production conditions. At the moment of sealing, the values ​​of atmospheric pressure and the pressure of the gas enclosed between the glasses are equal. But atmospheric pressure tends to change. When a significant difference in external and internal parameters occurs, mechanical stresses arise in the glass and they persist as long as the difference in internal and external pressures remains. Mechanical stresses lead to glass deflection. Both glasses can bend outward or bend inward. The direction of deflection depends on which side has the highest air load. The edges of the glass are fixed with sealant, which prevents the stabilization of atmospheric load. The bending of glass increases and reaches critical...

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You've installed new PVC windows and can't get enough of their attractive look. appearance And comfortable temperature in the apartment. However, to your great chagrin, you discover a crack in the glass. Why can glass in double-glazed plastic windows crack? There may be several reasons.

How can temperature fluctuations cause harm?

Unstable temperature conditions can negatively affect the condition of windows. IN clear weather The glass unit heats up when exposed to direct sunlight. The air in its inner part also becomes hot, its pressure increases, so it begins to put pressure on the glass from the inside. If the temperature outside the window has dropped sharply, quite the opposite happens. That is, the glass bends inward or outward. Temperature fluctuations sometimes compensate for each other, but often only aggravate the situation and overlap each other. For example, at low atmospheric pressure on hot days (that is, during summer cyclones) and at high pressure...

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Technological progress does not stand still. Wooden windows have been replaced by new and modern windows of high quality. Plastic windows have gained immense popularity among the population. They have excellent sound insulation, tightness, and are easy to maintain. Plastic windows serve as decoration for an apartment or any other room. you will forever get rid of drafts and street noise. The windows of your apartment will always be clean and transparent. But what to do if you notice that the glass in a double-glazed unit has cracked?

Plastic windows these days are a very common phenomenon, about which articles are written in magazines, newspapers, and on the Internet.

You can call professionals and they will quickly repair your window. But you can try to get rid of the crack in the glass unit yourself. In order to repair a plastic window yourself, you must first find out how they are made, what their design is and why a crack may appear on the glass unit.

Design...

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Cracked, and even more so broken, window glass sometimes causes a strong shock. After all, many questions inevitably arise: why did this happen, how much will the replacement cost, where to look for a new double-glazed window, who will rearrange it?

Causes of cracks
Glass can be damaged as a result of mechanical impact from the outside or due to processes occurring inside the window chambers. For example, as a result of being hit by a heavy object or exposed to natural disasters.

In the second, the reason for the violation of the integrity of the glass lies in changes in internal voltage, especially in winter time when on the street negative temperature, and indoors with a “plus” sign.

Window replacement is required not only from an aesthetic point of view, but also from a practical one, because cracks in the glass contribute to heat loss.

One glass or the entire glass unit

Unfortunately, replacing only one glass does not make sense. The fact is that the design of a plastic window implies the presence...

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Glass shouldn't burst, of course, but it happens. If your glass breaks immediately after installation, and a lot of it, then this is a consequence of improper installation. The first main reason for this is that the frame is installed crookedly, with blockages (screws) or the frame itself is bent. The support pads may have been installed incorrectly or not installed at all. Fasteners may stick out and get in the way. Maybe there is some kind of screw or foreign object left on the frame and interfering with the glass. Perhaps they were simply not careful when handling the double-glazed windows and caused chips on the edges of the glass. Perhaps the glass cutting was of poor quality and there were microcracks on the glass and now they have shown themselves. If the glass unit is in balcony door, unsavvy installers sometimes use screws that are too long when screwing balcony handle. A possible cause of a broken glass unit could be the condition of “sticky glass”. This is when the air pressure inside the glass unit is much less than atmospheric pressure and at the same time increases...

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kamapw (22.1.2011, 15:21) wrote:

It’s a pity that it’s impossible to indicate the name of this installation company, which is located in the center of Moscow; it seems that it specifically concludes contracts on behalf of fly-by-night companies, so that there will be no complaints later!

Gentlemen, customers! Why are you so angry and irresponsible?

Here is my personal example from the life of an ordinary window manufacturer, for whom his own company makes and installs windows...
I, too, once had a double-glazed window burst... early on a winter Sunday morning, when I was still stretching in my crib... just like that, cotton... I come up - that’s right, in the “grouse” there’s a crack all over the glass from the corner ...
Here you just need to change an ordinary double-glazed window... but I have (or rather, I had, I now live in another apartment) double-glazed windows with external triplex and with TOP "gold" on the inner glass... and the best thing is that those glasses with TOP “gold” were sprayed in Novosibirsk, and after two years (at that time) they no longer experiment with such a coating... Here...

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Cracks in a plastic window - how to deal with them

Plastic windows are indispensable where they want to create coziness, silence, and comfort. But any thing has its own service life. And plastic windows are no exception. Ideally, they can last up to 50 years. In practice, a rare design will last given period without repair. When certain defects in plastic windows arise, the question arises: can it be repaired, or does it need to be replaced completely? Many problems with plastic windows can be fixed yourself.

One of the common defects of plastic windows is cracked frames. Cracks most often appear due to violations of production and installation technology. The window brought for installation must be carefully inspected for cracks, chips and scratches. However, not every defect can be detected immediately; sometimes cracks may appear only some time after installation.

Cracks in a plastic window

Possible reasons for the appearance...

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What to do if the glass in a double glazing unit cracks/broken/burst? It is necessary to replace the glass in the double-glazed window (or, which is simpler, simply replace the double-glazed window). We will tell you how to properly replace the glass in a double-glazed unit if it breaks.

Double-glazed window design

A double-glazed window consists of several glasses attached hermetically to each other. The space between them contains inert gas or dried air. This protects the glass unit from condensation and fogging. For better moisture absorption, silica gel is also filled inside the glass unit. Therefore, it is recommended that if cracks occur on one of the glasses, replace the entire glass unit. Otherwise, when the glass unit depressurizes, the silica gel begins to take moisture from the air, and when the glass is glued together, it releases it, forming water droplets.

What is needed to replace glass?

So, you will need to purchase the following:

New double-glazed window chisel or spatula rubber hammer or in other words...

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The photo is too small to understand anything.

Double-glazed windows in blind parts and in sashes are installed differently (as gofra already said), I am attaching a diagram.
If the glass unit in the sash is fixed differently, then its geometry will suffer (the rectangle will turn into a trapezoid) and the glass unit will become load-bearing element. Here you go possible reason.
Reason #2:
Are you saying the frame is bent? This is an installation defect. If the frame is screwed, then the sash, pressing against it, also bends - the glass twists and it bursts. Here's another possible reason.
P.S. Heating has nothing to do with it, unless, of course, you aimed the gun directly at the glass from half a meter away.
P.P.S. You can try loosening or removing the fasteners from the hinge side. Let it sit “on the foam” for some time, and then, if it doesn’t crack, fix it again.

__________________
* The letter “е” is not used in the text solely in connection with the requirements of the ESKD.

Last edited by CaMoCAD...

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It is worth immediately clarifying that replacing broken glass in a plastic window most often comes down to replacing the double-glazed window. The problem is that all glass sheets are connected using sealants, so replacing one glass and at the same time ensuring the required level of sealing of the glass unit is only possible in the factory. And in the end it won’t be much cheaper, but it will take a lot of time.

Therefore, even if one glass is broken, you can do it without dismantling the old glass pane. order a new one from the same company. The main thing is to correctly take the dimensions and determine the type of new double-glazed window.

The fact is that replacing broken glass in a plastic window can even be beneficial for the consumer. Why not use this unpleasant situation to increase the level of thermal protection of the window? For example, if the width of the profile allows, then two-chamber double-glazed windows can be replaced with three-chamber ones.

Another option is to replace double-glazed windows with ordinary glass to energy-saving ones, which will reduce heat loss...

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Why do double-glazed windows burst? Causes and methods of prevention

Today installed in window opening apartments with double-glazed windows will not surprise anyone. This product, due to the presence of glass in it, is the most fragile element of the window structure. It’s rare, but it still happens that a double-glazed window becomes unusable. Its glass becomes cracked or, even worse, bursts.
Why does this happen, what actions need to be taken if installed double glazed window, which was pleasing to the eye for a long time, burst, we will describe it in this article.

The main causes of cracks.

Short-term mechanical impact on glass. Simply put, a blow. Abrupt closing of the window sash, which caused a change in its geometry. Errors when installing double glazed windows. As you know, all windows are installed in accordance with GOST, so any deviation from building codes can become a decisive factor, which is why the double-glazed window may burst. The influence of weather...

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On window glass A crack has appeared, but replacing the glass is not yet in your plans? Don’t despair, anyone can seal a crack in a window glass.

Preparatory work

You should start by thoroughly washing both surfaces of the glass; fortunately, there are more than enough all kinds of detergents on sale. Just be sure to wear rubber protective gloves, as detergent– the thing is quite aggressive. And since the cleaning solution is prepared, wash the glass in the remaining windows at the same time. When dirt and dust have been removed from the surface of the glass, all that remains is to wipe its surface dry.

It is very important that not an ounce of moisture remains in the crack, otherwise all the work on sealing the crack will be in vain. Allow the water to evaporate naturally, or use a hair dryer on low power to dry the cracks. You can speed up the drying of moisture by directing a stream of air from the household fan.

Degrease the surface

Now the place...

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A glass unit on a plastic window cracked. Who is to blame and what to do?

If a crack in a double-glazed window started from the edge of the double-glazed window from the glazing bead or the inner glass in the double-glazed window cracked, then this could happen for two reasons:
1. Glazing was not done correctly

2. During installation of the window, the geometry of the window was violated. Either the anchors were too tight, or there was too much mounting foam, which squeezed out the frame.

Either way, it's the window company's fault. The law establishes a minimum warranty period for windows of 3 years. If this period has not passed or the warranty period under the contract is longer and has not yet expired, then contact the window company that installed your double-glazed windows...

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Author Topic: Cracked glass unit (Read 44325 times)

Hello! You should check the plane of the plastic window frame, whether the corners correspond normally, and whether they are skewed inward or outward. Since the glazing beads on a PVC window are tightly pressed to the glass, the double-glazed window can “stretch” behind the frame. If the glass of a plastic window is even slightly deformed, a crack is inevitable. Recorded by

Same story! Just yesterday we installed PVC windows. After installing the balcony block in triple glazing With outside The outer glass of the door broke. There is a crack in the PVC window running from the handle to the width of the door and another crack that is shorter. The most interesting thing is that even PVC installation the windows were not finished. I wrote on the coupon: a double-glazed window burst during installation, they promised to replace everything, so I’m waiting... A good double-glazed window cannot burst!!!

Recorded by

Georg

Newbie Offline Posts: 8 ...

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The glass in the double glazed unit has broken

If a double-glazed window has burst, it can only be replaced. Unfortunately, it is impossible to glue broken glass.

If a double-glazed window is cracked, the reason for this may be either a manufacturing defect or any external influences.

If the glass in a double-glazed unit is cracked due to the fact that the window was poorly assembled at the factory, this will appear in the very first days of operation. As a rule, at this time the warranty is still valid and the double-glazed window will be replaced free of charge without any problems.

If a double-glazed window breaks because someone broke it, then it will have to be replaced at your own expense. What to do if a double-glazed window is cracked is briefly described below.

If the glass in a double-glazed unit is cracked, there are three ways to proceed:

When a double-glazed window breaks, you can go buy it yourself and also replace it yourself. There is nothing complicated here, the main thing is to measure it correctly and not break the window during dismantling.

You can also order double-glazed windows from our company...

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Answer

Hello,

There may be several reasons that a double-glazed window may crack:
1. Most likely, when fastening the bead, the nail came out, touching the edge of the glass. In this case, after installing the window, a crack sometimes forms.
2. The glass was defective, there was a chip at the end when installing a double-glazed window, after some time, as a result of external influences, a crack appeared from it.
3. The glass unit is installed incorrectly, see GOST 24700-99, clause 5.5. Requirements for components and their installation, and GOST 30674-99, clause 5.6. Requirements for glazing, panels door leaves and sealing gaskets, Figure 5
4. Check the plane of the frame and whether one of the corners is pulled in or out. The beads usually press the glass unit tightly, and it can take the shape of the frame. In this case, the slightest deformation inside the glass is enough and a crack will form.
5. External influence on glass - impact (including acoustic), temperature impact (both high and very low...

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What to do if the glass on a plastic window is cracked?

If the glass on a plastic window is cracked, you must replace it yourself, or contact the company that carried out the installation. A completely different question is why it cracked, and who will pay for the installation of a new double-glazed window in the future?

Cracked glass on a plastic window

We identify the reasons

If the glass cracked due to your negligence, then the answer is simple: call a specialist and pay to install a new one. But there are times when you discovered this defect without your obvious intervention.

There are several reasons why it is not you, but the installer company, who pays the cost of the glass.

The installation was done incorrectly. In other words, violations were made during the installation of windows, either due to the negligence of the craftsmen, or due to a lack of knowledge. Glass can crack even if you add more foam than required or tighten the anchors too much; Possibly marriage...

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“Suddenly it happened to me...” Guarantee for plastic windows in Tula

The manufacturer provides a warranty period for windows - 5 years, during which the window company "WINDOWS IN TIME" provides the full range of warranty services in Tula and the region for windows purchased and installed by our specialists (Installation warranty - 3 years).

Here is a list of some warranty and non-warranty cases:

Cracked glass unit on a plastic window

This problem happens extremely rarely; out of hundreds of windows installed by our specialists, there has been only one case in the last 3 years.

If a crack started from the edge of the glass from a glazing bead or the inner glass in a double-glazed unit cracked, this could happen if the window was glazed incorrectly or its geometry was damaged during installation of the window (if the installation is carried out by non-specialists, or on our own, then perhaps they tightened the anchors too much or used too much foam, which squeezed out the frame).

If the crack is...

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Reasons why glass may be damaged

Sometimes poor-quality manufacturing of a double-glazed window becomes the reason that it has to be replaced. How to choose glass so that replacing double-glazed windows in plastic windows with your own hands is of high quality. Even if only one glass is damaged, the entire glass unit must be replaced.

There may be several reasons why the glass is cracked.

Incorrect installation of the entire window with a violation of the geometry (gaps are broken, gaskets are missing or displaced, incorrectly applied polyurethane foam etc.). Incorrect measurements during its manufacture or incorrect installation can only have an effect after several months. Internal tension in the window will eventually cause the glass to crack. The result of the appearance of cracks may be its improper storage during the manufacturing process, or a difference in atmospheric pressure. You can press the sash incorrectly when closing the window, unintentionally violating its geometry and...

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Double-glazed windows are one of the most important components of a modern metal-plastic window. They provide the very properties for which new windows are installed - depending on the configuration, the glass has different properties (protective, reflective and energy-saving), their quantity affects the isolation of the room from the outside world. They consist of a certain number of glasses, between which they are sealed closed spaces with inert gas.

Double-glazed windows are the most expensive and vulnerable elements metal-plastic windows, their damage causes certain difficulties in the operation of the living space and the window itself, and replacement or repair costs the owners a penny.

First reason

Chips or cracks are the most big problem window element data.

1. Incorrect production technology is very common among new, inexperienced or unscrupulous manufacturers. When a double-glazed window is installed in a finished frame, special sealing gaskets are placed around its perimeter, which are designed to hold the structure inside the frame and seal the window. Incorrectly manufactured or can create uneven pressure on double-glazed windows, which may cause deformation and damage during operation.

The second reason

1. Old buildings - and installations in them are very common - have a very unpleasant tendency to shrink. This applies not only to old buildings; shrinkage can also occur in a new building, during the construction of which technological errors were made and it did not stand properly. As a result, a geometric deformation of the window opening is obtained, which has sufficient pressure on the tightly fitting frame. The glass unit bursts as soon as the pressure on it exceeds the permissible limit. The mechanical elements of the structure and the frame itself are also damaged.

If the building is very old, has weak walls or cracks spreading along the facade, be prepared for the fact that the double-glazed window will not last even a year. Possible option is to strengthen the walls and facade. Let new buildings sit for at least a year before installing windows.

Reason three

1. Even a very durable one, which is used to create a double-glazed window, will not withstand sudden temperature changes. They can arise in several cases:

• If in regions with very severe frosts glass not intended for such conditions was used, the temperature difference from the street and indoors with a thin double-glazed window will inevitably lead to depressurization and damage.
• on top part The air conditioner can blow cold air from the glass, and the sun can shine on the bottom on a hot summer day.
• a hot pan placed very close to the glass.

Use high-quality glass from a trusted manufacturer, select designs for the temperature region, and carefully monitor the various factors that affect the glass.

Reason four

1. Negligence of installers can lead to the fact that the anchors will not properly hold the frame, pushing it apart or compressing it too much. When the frame deforms, constant negative pressure will be exerted on the glass unit, which will eventually destroy it and lead to depressurization and the formation of cracks.

To install windows, it is advisable to hire workers from the company from which the windows were ordered. In this case, the installation will be carried out by certified specialists who will not make such mistakes (read about choosing a company in point 1, most often it is this factor that guarantees the absence of problems not only with double-glazed windows, but also with windows in general for quite a long period).

Reason five

1. Strong vibrations have a very bad effect on integrity tempered glass. Extraneous influence occurs on very busy streets with a large number of cars and pedestrians, with rare exceptions - low-flying airplanes and helicopters. Vibration is transmitted along the walls of the building and negatively affects windows in general. Aggravating factors are the installation of non-metal-plastic options, because metal conducts vibrations much better. Plus, if you add improperly manufactured and installed seals (see point 1), the result of vibrations will not take long to arrive; within a month, residents will discover unpleasant damage to the windows.

Decisive factor - use quality materials by a verified manufacturer. If the streets outside are really noisy, then you should consult the company where you will order the windows about this. You may be offered softer pads, stronger glass, or a different frame design.

Reason six

1. Marriage is one of the most common causes of unpleasant consequences during operation. A double-glazed window may initially come with small cracks or chips; they can form during improper transportation or installation, and all of the above factors will only aggravate the problem.

And again - a proven manufacturer. Before accepting the manufactured structure and the work itself, everything must be meticulously and thoroughly inspected. Don’t be afraid to find fault - you’ve already paid the money, demand quality at all stages.

Using a damaged double-glazed window is pointless, because it loses all its insulating properties and there is a risk of glass pieces falling out. If the window is under warranty, then you need to contact the installer. You need to contact him even if the warranty has expired, the company’s specialists know exactly how to properly manufacture a new double-glazed window, remove the old one, etc.

Despite the apparent simplicity of removing a damaged element, it is better not to do it yourself; there is a high probability of damaging the frame or letting a heavy glass unit fall onto the floor, which will lead to the formation huge amount fragments.

Conclusion

The first step is to eliminate all factors that could lead to damage. Choose a trusted manufacturer, demand quality in manufacturing, transportation and installation

Hide

Quite unpleasant, but common problem problem that owners of apartments and houses face is damage to the glass unit . Even small crack can significantly reduce the comfort of staying indoors: cold air will begin to enter the room, the window will freeze in winter, and will not be able to contain the noise. It is not necessary to completely change the window structure if the double-glazed window is cracked: replacement can be done separately.

What to do if a crack appears?

Why can chips and cracks appear?

If the glass in a double-glazed unit is cracked, the reasons may be different. The most common is mechanical damage: most often such a crack is located on the outside of the window. This means that someone threw a stone or some not necessarily large object accidentally hit the glass, causing a crack to appear. In rare cases, birds may crash into glass.

Such damage to the inside of a glass unit usually occurs due to careless handling, for example, if a heavy glass was placed on the window sill. flower pot, which was carelessly moved and hit the glass. If one was filled with gas, it will have to be changed, since it will lose the gas, and with it all its qualities. There are other reasons for cracked glass. These include the following:

• Pressure on the glass by any object or when opening.
• Incorrect assembly during manufacture.
• Deformation of the window frame.
• Incorrect installation or incorrect size, resulting in a leak in the product.
• Sudden changes in pressure and temperature outside.
• Big difference between temperature conditions outside and indoors, and the room becomes very hot.

If mechanical reasons damage does not raise any questions, then the rest should be considered more carefully.

How to prevent glass damage?

In order for the glass unit to last as long as possible and not crack from accidental impacts, a number of measures can be taken to help extend the life of the product. First of all, when choosing a window design, you should not strive for cheapness: the thinner the glass and plastic, the lower the cost of the structure, but also the higher the vulnerability. Thin glasses can react to the slightest load and crack; they freeze easily, since the frame is not thick enough to retain heat sufficiently.

Make sure that the glass does not touch each other: this can lead to dire consequences. When ordering a double-glazed window or the window itself, measure the space several times or invite a specialist from the company from which you will order the product. This will protect you from mistakes; in addition, in the event of a defect on the part of the company or an incorrect measurement by a specialist, you will be able to demand a free replacement of the double-glazed window with a new one.

Often, crooked walls or shrinkage of the house can increase pressure on window frame. It can be severely deformed or, conversely, unnoticed by the eye, but this is enough to render the structure unusable. In order to prevent the double-glazed window from cracking, causes of this kind must be eliminated immediately. To do this, they usually strengthen the window opening, preventing the structure from sagging, or they do not install windows in a house under construction, but wait until it shrinks.

At sub-zero temperature outdoors indoors they begin to use heating devices. If you heat a room too quickly and too much, thin glass can crack. In order to avoid this, it is advisable to initially order double-glazed windows with tempered glass. In addition, the heating of the room must be done smoothly: this is especially true for houses heated with a fireplace or wood stove. The room should not be allowed to cool down to outside temperature, as windows do not like such changes.

The crack may not become noticeable immediately. When pressure is applied to the structure, it can form for quite a long time and be invisible to the naked eye. Pay attention to the location and shape of the crack: if it appears in the center of the glass unit and is shaped like the letter C, this means that the glass unit was stored incorrectly by the manufacturer and the room was not heated.

How to replace a double-glazed window?

This is not difficult to do: just bend the beads holding the structure and pull it out of the rubber seal, after which you need to order a new glass exactly the same size as the damaged one. To insert it, just return the glass unit to the seal and insert the glazing beads in the same order in which they were placed.

A double-glazed window will last a long time if it is correctly selected, installed, and handled carefully. If cracks appear, this product cannot be repaired and must be replaced entirely.

When buying a new window, we hope that it will serve us as long as possible. for a long time. However, annoying things happen. These also include situations when double-glazed windows burst. The product may be completely new and not defective, the quality of the glass is also not questionable. However, sometimes this still happens. What is the reason for such a breakdown? What if it happened?

What causes double glazed windows to break?

If a double-glazed window has burst, the reasons should be looked for in the following:

• Temperature fluctuations. Changes, especially if there is a noticeable difference between internal and external temperatures, have a bad effect on the strength of the product. Under certain conditions, the glass begins to bend inward or outward. You should be wary of cracks if your area experiences low pressure in hot summers and high pressure in frosty winters.
• Human factor. For example, you force the window sill with heavy, rigid objects, and then inadvertently press hard on them, not taking into account the distance. Then don’t be surprised if you see that the double-glazed window has burst from the inside.
• Loads generated by the building. If you have installed "glass package" in new house, and then it shrinks and the window opening is compressed, the consequence will be broken glass. Can a double-glazed window burst in old buildings? Quite. For example, a glass set in log house, the walls of which gradually deflect, are capable of cracking due to the loads on the structure created in this case.
• Incorrect installation or manufacturing defect. The glass will crack, for example, if the installers installed the “packages” incorrectly or there was some kind of manufacturing inaccuracy from the beginning.

But there are also factors that may raise doubts, but in fact will not affect the integrity of the glass. For example, can a double-glazed window burst due to LED strip? In fact, you can safely attach some lights to it. LEDs do not emit even a thousandth of heat, which could damage the glass.

Precautionary measures

Instead of wondering whether a double-glazed window might crack in your case, it is better to be on the safe side in advance. There are some rules that will reduce the risk of being left near a broken window. Almost all the reasons why double-glazed windows burst are known.

• For example, when ordering installation, make sure that the frame ratio is not higher than 5 to 1.
• In addition, installation of such products cannot be performed at room temperatures below +5 degrees.
• You should also handle the window with care and avoid the occurrence of significant mechanical stress.

What to do in case of cracks?

If the glass in a double-glazed unit breaks, you can do one of two things. First, replace the cracked element. This is the most a budget option, but sometimes it leads to a deterioration in the aesthetic appearance of the product. However, please note that it is not the specific glass that will need to be replaced. What to do if a double-glazed window bursts - you will have to replace it entirely due to the peculiarities of the technology.

Secondly, if a double-glazed window bursts from the inside, you can completely replace the window. If there was initially a defect in the product or installation that affected the functionality of the product, this is often the only possible option.