The Double Glazed Repair Awards: The Top, Worst, Or Strangest Things We've Ever Seen

· 6 min read
The Double Glazed Repair Awards: The Top, Worst, Or Strangest Things We've Ever Seen

How to Deal With Double Glazed Repair

It is a good idea to have your double-glazed windows inspected frequently, particularly if you find that the frames are contracting or expanding. This can reduce the possibility of drafts.

If you notice condensation between the panes it is a sign that the seal is failing and has to be replaced. The seal is able to be replaced to lessen condensation and help save energy.

Broken or cracked panes

Double glazing isn't indestructible and it is possible for faults to occur that could reduce the energy efficiency of the windows and doors. Repairing double-glazing can be an simple task, but you will require the right tools and experience to do it properly. It is generally recommended to hire a professional company to complete the task rather than trying it yourself.

A cracked or broken pane is the most frequent issue with double-glazed windows. This can be a result of a blow or knock to the frame from the outside or a failed attempt to open the window that is closed. The glass may crack or break into small pieces, depending on the size of the crack and the force applied to it.

You can repair a double-glazed glass window that is susceptible to cracking with the help of special tape or putty. This will prevent the crack from extending or getting worse. It will stop any wind, water or other elements from entering the home through the cracks.

Condensation in double glazing is another common problem and this is often the result of a breakdown of the window seal. It is a natural occurrence that can occur due to varying temperatures and weather conditions, which is why it is important to check whether your windows are in warranty before you attempt to repair them.

Typically, this will be covered by the company you purchased 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 instead of by text or phone Keep a copy of your correspondence.

If you want to try and repair a misted window yourself, a common procedure is to drill a hole into the centre of the damaged pane. A special desiccant is inserted to absorb any moisture, and this will help the condensation issue to heal itself. This is a temporary fix and it is recommended that you replace your double-glazed units with new ones as soon as possible.

Misted Panes

If double-glazed windows begin misting up it can be a real trouble and can cause major disruption to your home. If you can pinpoint the issue it's easy to repair. In the majority of cases the problem is due to a problem in the seals that separate the window panes. This allows moisture get into. Poor installation or drainage issues or defective seals from the window manufacturer can trigger this problem.

Standard sealed units consist two glass panes that are sandwiched by a hollow spacer (shown above). The inside of the spacer bar has been perforated, and the spacer bars have been filled with desiccant to absorb any moisture. The two glass panes will then be bonded together, and the entire unit will be injected with gas to increase its thermal efficiency.

As you can imagine if the seal fails, moisture can get in between the panes and cause condensation and mist. This will also lead to heat escaping your property which could result in a significant amount of money squandered in energy costs.

However, fixing double glazing windows that have been misted can be a little tricky and isn't something that should be attempted by anyone who doesn't have the necessary knowledge of glazing and the construction industry. If you're willing to take on the challenge, it's possible to fix the misted seal of a window by introducing a moisture-absorbing desiccant in the space between the glass panels.

Be aware that this is a temporary fix, and the condensation might return. The process will have to be repeated. It's much more effective to replace a misted unit. It's also cleaner and faster. A replacement can also help restore the original insulation of your property which isn't possible through repairs. If you're experiencing misty windows and condensation, we suggest contacting a reputable company that offers double glazing. In the meantime, consider to keep your windows as dry as possible by making sure they're properly ventilated and cleaning them regularly.

Water Leaks

If they're new or old, double glazed windows should not leak. Leaking  repair double glazing window  aren't only a nuisance but they can cause significant damage to your home such as mold development and structural damage as well as higher heating and cooling expenses. Contact a professional window company as soon you suspect that there is a problem.


Window leaks are usually indications of a problem with the seals between the panes of glass. If you see condensation between the panes it is a sure indication that the window seal has been damaged and that moisture is getting into the gaps between the glass's insulating. A little condensation is perfectly normal. However when the issue persists and is evident on your home's interior or exterior then it's time to contact an expert repair service.

The accumulation of water at the bottom of the window frame is a common reason for leaks. This can be an indication of clogged drain holes or flashing that is not properly installed, or an uneven sill. A drainage hole that is clogged can be easily fixed by using a coat hanger wire to clean out the gunk. Improper flashing is also easy to fix using roofing caulk to fill in the gaps around the frame. If the window sill slopes to one side it may be due to an incorrect pitch. A professional window repair service can to determine the source of the issue and offer an affordable, fast solution.

While it is not unusual for old UPVC windows to fail or leak but it is more efficient and cost-effective to seek out an expert double-glazed repair service. They can restore the look and functionality of your windows to how they were when they were brand new. They can also replace hinges, handles, and locks if required. A reputable window repair service will also offer a form of guarantee for their work, which you would not get if you attempted to fix the window yourself.

Difficulty of Opening

If you notice that your windows are becoming harder to open, contact the company where you purchased them. In most cases the issue can be resolved with a simple fix. If the issue persists and you are unable to resolve it, you should consider replacing your windows with new windows that are more modern in design. Double-glazed windows with modern designs offer the most recent features to keep your home safe and warm. They include slimline uPVC frames or aluminium frames with advanced insulation that stops heat from escape and cutting-edge security hardware.

Another sign that your double glazing is in need of repairs is condensation that forms between the panes of glass. This is due to an issue with the seals between the two panes. Inert gas is supposed to seep out between the glass and replace it with moist air, ensuring that your windows stay well-insulated and thermally efficient. If this isn't happening, the seals may have deteriorated or even broken, which is something that can occur in the course of time because of changing weather conditions or other factors.

A draught coming from your double-glazed window is another sign that the seals have failed, indicating that cold air is getting into your home. This could also lead to more energy costs as your heating system has to work harder to maintain the temperature of your home.

In some cases, a draught can be fixed by lubricating hinges handles, mechanisms or handles of windows or doors that are double-glazed. It is crucial to remember that this is temporary solution and if the problem persists, you'll need to contact a professional.

To help reduce condensation, consider installing ventilation in your doors and windows like extractors or air bricks. It is also essential to allow your double-glazed windows and doors to 'breathe' by leaving them open as much as feasible, which can be achieved with trickle vents.