Why We Enjoy Double Glazed Repair (And You Should Also!)

· 5 min read
Why We Enjoy Double Glazed Repair (And You Should Also!)

How to Deal With Double Glazed Repair

It's a good idea inspect your double-glazed windows frequently, particularly if you notice the frames are expanding or contracting. This will reduce the chance of drafts.

If you see condensation between the glass panes, the seal may be failing and must be replaced. Replacing the seal will not only help to reduce condensation but will also save on energy bills.

Cracked or Broken Panes

Double glazing is not impervious to damage and there are a few issues that can reduce the energy efficiency of windows and doors. Repairing double glazing is a straightforward process, but the proper tools and expertise are required to carry out high-quality repairs. It is generally recommended to hire a professional company to do the work rather than trying it yourself.

The most common issue that affects a double-glazed window is a broken or cracked pane. A blow or knock from outside can cause this, as can an attempt to open a window that is closed. The glass might crack or break into small pieces, based on the size of the crack and the force applied to it.

Repairing double-glazed glass windows susceptible to cracking using a special tape or putty. This will stop the crack from extending or becoming worse and it will stop any water, wind or other elements from entering the home through the cracks.

Another problem that is frequently encountered is condensation in double glazing. It is usually caused by a damaged window seal. It is a common occurrence that is caused by temperature and weather changes. Before attempting to fix your windows, make sure to see if they are still covered by warranty.


This is usually covered by the company that sold you your double glazing, so it is important to contact them promptly and explain the problem clearly. This should be written down instead of via text or phone. Always keep the original.

If you're looking to try and repair a misted window by yourself, a popular method involves drilling a hole into the centre of the affected pane. A desiccant that is specially designed is inserted to absorb any moisture and this can help the condensation problem to resolve itself. This is a temporary fix and it is recommended you replace your double-glazed units with new ones as soon as possible.

Misted Panes

If double-glazed windows begin fogging up, it can be a huge issue and cause a significant disruption to your home. It is, however, fairly easy to fix the issue once you know what's causing it. Most of the time the problem is caused by a failure in the seals that separate your window panes. This allows moisture to be able to get. This could be caused by inadequate installation, drainage issues or even defective seals from the window manufacturer.

Standard sealed units consist of two glass panes with a hollow spacer bar sandwiched between them (shown in the image above). The surface of the spacer bar is perforated, and the spacer bars are filled with desiccant to suck up any moisture. The two glass panes then are joined and the entire unit is filled with gas to increase its thermal efficiency.

As you can imagine, if a sealed unit fails, then moisture can enter between the panes, and this could cause condensation and mist. This can also result in heat escaping from your property, which can result in a significant amount of money being lost due to energy bills.

However, fixing double glazing windows that have been misted isn't easy and isn't something that should be attempted by those who don't have an extensive understanding of glazing and the construction industry. However, if you're willing to tackle the challenge, it's possible to repair the misted seal by adding a moisture absorbing desiccant to the gap between the glass panes.

Bear in mind, though it's only a temporary solution and the condensation will likely return, and the process may need repeating. It is much more effective to replace a misted unit. It's also quicker and more clean. A replacement will restore the original insulation of your home it is not possible through a repair. We recommend contacting with a reputable double glazing firm if you're experiencing condensation and misted windows. While you wait, make sure that your windows as dry and clean as you can.

Water Leaks

If they're new or old, double glazed windows must not leak. Leaking windows aren't just an inconvenience, but they could cause serious damage to your home including mold growth and structural damage, as well as increased heating and cooling costs. If you suspect a leak you should contact a professional window repair company as soon as you can to get the issue under control.

Window leaks can be a sign that the seals between glass panes aren't functioning correctly. If you notice condensation between the panes, it's a sure sign that your window seal has become damaged and water is leaking into the insulation gap between the glass. A small amount of condensation is normal. However when the issue persists and is evident on your home's interior or exterior, it is time to call a repair service.

repairing double glazing  of water at the bottom of your window frame is another typical cause of leaks. This could be a sign of blocked drain holes, improper flashing or a sloped sill. A drainage hole that is clogged can be easily fixed by using a coat hanger made of wire to remove the gunk. Using roofing caulk, you can easily repair flashing that is not properly installed. A wrong pitch could be the cause of the window sill sloping to one side. A reputable window repair company can identify the cause and provide a fast, cost-effective solution.

It is not unusual for UPVC windows that are older to break or leak. However it is more economical and efficient to hire an expert to repair your double glazing. They can bring your windows' appearance and function to the way they were when they first came out. They can even replace hinges, handles and locks if required. A professional window repair service will also give you some form of guarantee for their work, which you will not receive if you tried to repair the window yourself.

Difficulty of Opening

If you notice that your windows are getting difficult to open, it is best to get in touch with the company from whom you purchased them. In most cases, a simple fix can resolve the issue. If the issue continues to persist, you may want to think about replacing your windows with more modern ones. New double glazed Windows offer the most recent features to keep your home safe and warm. They include slimline uPVC frames or aluminium frames that have advanced insulation that blocks heat from escaping and innovative security hardware.

Condensation in the glass panes is another common indication that double glazing needs repair. This is due to an issue with the seals between the two panes. Inert gases are supposed to escape between the two panes of glass and then be replaced by moist air. This will keep your windows airtight and energy efficient. If this doesn't happen, then the seals could have been damaged over time due changes in weather or other elements.

A draft from a double-glazed windows could also be a sign that the seals are failing and cold air is leaking in to your home. This could also result in higher energy costs, since your heating system will need to be more efficient to keep the temperature inside your home in a stable state.

In certain cases a draught may be fixed by lubricating the hinges or handles on your double-glazed doors or windows. However, it is important to remember that this is temporary solution and if the issue persists, you will need to call in the experts.

To help reduce condensation, you can install ventilation in your doors and windows for reducing condensation, such as air bricks or extractors. It is also important to let your double-glazed doors as well as windows to  breathe, which can be achieved with trickle vents.