The Ultimate Glossary Of Terms For Double Glazed Repair

· 5 min read
The Ultimate Glossary Of Terms For Double Glazed Repair

How to Deal With Double Glazed Repair

It's a good idea have your double-glazed windows inspected frequently, particularly if you notice the frames are expanding or contracting. This can reduce the possibility of draughts.

If you see condensation between the glass panes, the seal may be failing and needs to be replaced. The seal can be replaced to reduce condensation and help save energy.

double glazing repairs cost  or Broken Panes

Double glazing isn't impervious to damage. It is susceptible to developing faults that can reduce the efficiency of energy. Repairing double-glazing is an simple process, but you will require the proper tools and expertise to complete it right. It is recommended to work with a professional firm to do the work rather than trying it yourself.

A broken or cracked window is the most frequent problem with double-glazed windows. A knock or blow from the outside can cause this, as can attempts to open a closed window that is stuck. The glass may break or crack into smaller pieces, based on the size of the crack and the force applied to it.

You can repair double-glazed glass windows that is susceptible to cracking by using special tape or putty. This will prevent the crack expanding or getting worse and will stop wind, water or other elements from entering your home through cracks.

Condensation of double glazing is another common problem and this is often the result of a break of the window seal. It is a natural phenomenon that can occur due to varying temperatures and weather conditions, therefore it is essential to ensure that your windows are under warranty prior to attempting to fix them.

Typically, this is covered by the company you bought your double glazing from, so it is important to contact them immediately and explain the issue clearly. It is best to do this in writing, rather than by phone or text message, and always keep the copy of your correspondence.

Drilling a hole in the center of a misted pane is an easy way to repair it yourself. A special desiccant is then inserted to absorb any moisture and this will help the condensation issue to get rid of itself. However, this is only temporary solution, and it is recommended to have your double-glazed windows replaced with new windows as soon as you can.

Misted Panes

When double glazed windows start misting up it can be a huge trouble and can cause major disruptions to your home. It is, however, fairly easy to fix the issue once you understand the root of the issue. In most cases the issue is due to a problem in the seals that protect your window panes. This allows moisture to get into. Poor installation or drainage issues or faulty seals by the window manufacturer can cause this problem.

Standard sealed units consist two glass panes that are sandwiched by an open spacer (shown above). The inside of this bar is perforated, and the bars that are used as spacers are filled with a desiccant, which helps to absorb any moisture that gets into the unit. The two glass panes are then sealed together and the whole unit is filled with gas to increase its thermal efficiency.


As you can imagine if the sealed unit fails, moisture can get in between the panes and cause condensation and mist. This could also result in heat escaping your property which could lead to an enormous amount of money lost through energy bills.

However, fixing the misted double glazing window can be a little tricky and shouldn't be attempted by anyone without extensive knowledge of the construction industry. However, if you are prepared to take on the challenge, it's possible to repair a sealed unit that has been misted by adding moisture absorbing desiccant back into the gap between the glass panes.

Be aware, however this is a temporary solution and the condensation will likely return and the process might need to be repeated. It's much more effective to replace a misted unit. It will also be quicker and more clean. Replacements will bring back the original insulation to your home it is not possible through a repair. We suggest getting in touch with a reputable double glazing company if you're having trouble with condensation or misty windows. While you wait, make sure that your windows as dry and clean as possible.

Water Leaks

No matter if they are brand new or old, double glazed windows should not leak. Leaking Windows are not just a nuisance, but can cause serious damage to your home. This includes mold growth as well as structural damage and the cost of heating and cooling. If you suspect that your windows are leaking call a reputable window repair company as soon as you can to get the issue fixed.

Window leaks could be a sign that the seals between glass panes aren't functioning properly. If you notice condensation between the glass panes, it is an indication that the seal between the two panes has deteriorated. Moisture is now flowing through the insulating space between the two panes. A little condensation is perfectly normal. However, if the problem persists and is visible on your home's exterior or interior then it's time to contact a repair service.

Water accumulating at the bottom of the window frame is a common cause of leaks. This could be a sign of clogged drainage holes, improper flashing or an unbalanced sill. A drainage hole that is clogged is easy to fix by using a wire coat hanger to clean out the gunk. Improper flashing is also easy to fix using roofing caulk to fill the gaps around the frame. If the window sill slopes to one side, it could be due to an improper pitch. A professional window repair company will be able to determine the cause and provide an immediate, cost-effective solution.

While it is not unusual for old UPVC windows to leak or break but it is more cost-effective and efficient to get a professional double-glazed repair service. They can restore the look and functionality of your windows to what they were like when they were new. They can even replace hinges, handles and locks, if needed. A professional window repair service will also provide you with a kind of guarantee for their work, which you could not receive if you tried to fix the window yourself.

It is difficult to open

If you notice that your windows are becoming harder to open, call the company from which you purchased them. In most cases, the problem can be solved with a simple fix. If the issue continues to persist then you should look at replacing your windows with newer ones. Double-glazed windows with modern designs offer the most modern features to keep your home secure and warm. These include slimline uPVC frames or aluminium frames with advanced insulation that prevents heat from escaping and innovative security equipment.

Condensation in the glass panes is another sign that double glazing requires repair. This is due to an issue with the seals which separate the two panes. Inert gases are designed to escape between the panes of glass and replaced by humid air. This will keep your windows in a breathable state and be energy efficient. If this doesn't happen, then the seals could have deteriorated over time due to weather conditions or other factors.

A draft coming from your double-glazed window also a common sign that the seals have failed, which means that cold air is getting into your home. This could also lead to more energy costs as your heating system will have to work harder to maintain the temperature of your home.

In certain cases the draught could be fixed by lubricating the hinges, handles or mechanisms of windows or doors that are double-glazed. But, it is important to remember that this is only temporary solution and if the issue persists, then you'll need to contact a professional.

To prevent condensation, you can install ventilation in your windows and door, such as air bricks or extractors. It is also essential to allow double-glazed doors and windows to  breathe by leaving them open to the maximum extent possible. This can be accomplished by trickle vents.