How to Deal With Double Glazed Repair

It is recommended to have your double-glazed window frames regularly inspected, especially when they are shrinking or expanding. double glazing window repair can reduce the possibility of drafts.


If you notice condensation appearing between the glass panes, it is possible that the seal be failing and should be replaced. Replacing the seal will not only help to reduce condensation, but also save on energy bills.

Broken or cracked Panes

Double glazing isn't indestructible and faults can occur which can reduce the energy efficiency of the windows and doors. Repairing double glazing is a relatively straightforward process, but the proper tools and skills are needed to make top-quality repairs. It is recommended to get a professional complete the task, rather than try to do it yourself.

A broken or cracked window is the most common problem with double-glazed windows. This could be a result of a blow or knock to the frame from the outside, or from an attempt to open the window that is closed. Glass can crack or break into pieces based on its size and the force that is used to crack it.

If a double-glazed window is prone to cracking, it can be repaired by using a form of putty or a special tape. This will stop the crack from growing or becoming worse, and will stop water, wind or any other elements from entering your home through cracks.

Another common problem is condensation in double-glazed windows. This is typically the result of a broken window seal. It is a normal phenomenon that occurs due to temperature and weather changes. Before attempting to fix your windows, make sure to determine if they are covered under warranty.

It's usually covered by the company who sold you your double glazing, so it's important to contact them immediately and explain the problem clearly. It is best to address this in writing instead of via text message or phone Keep the copy of your correspondence.

Drilling a hole in the center of a misted pane is a common method to fix it yourself. A special desiccant is placed in the hole to absorb any moisture, which can aid in helping the condensation issue to heal itself. However, this is only temporary solution, and it is recommended to have double-glazed windows replaced with new units as soon as possible.

Misty Panes

When double glazed windows start getting misty, it can be a real issue and cause a significant disruption to your home. Once you have identified the source, it's relatively simple to fix. In most cases, the problem is caused by a failure in the seals that protect the window panes. This allows moisture be able to get. Poor installation, drainage issues or even damaged seals made by the window manufacturer could cause this problem.

Standard sealed units consist of two glass panes, with a hollow spacer bar inserted between them (shown in the above image). The inner surface of the spacer bar has been perforated, and the spacer bars are filled with desiccant in order to absorb moisture. The two glass panes then be sealed together, and the entire unit will be filled with gas in order to increase its thermal efficiency.

As you can imagine, if the sealed unit fails, moisture can be trapped between the panes, causing condensation and mist. This could result in heat escaping from your home, which could result in a significant amount of money lost on energy bills.

Repairing a misted window is a challenging task that should not be attempted by someone who isn't well-versed in the glazing and construction industries. If you are willing to take on the challenge, it's possible to fix the misted seal of a window by adding moisture-absorbing desiccant to the gap between the glass panels.

Be aware, however this is a temporary solution and the condensation will likely to return and the process may need repeating. It's more efficient to replace misted glass units and it will also be more efficient and cleaner. A replacement can also bring back the original insulation of your property which isn't possible in repair. We suggest getting in touch with a reputable double glazing company if you're having trouble with condensation and misted windows. In the meantime, consider to keep your windows as dry as you can by making sure they're properly ventilated and being cleaned regularly.

Water Leaks

Double glazed windows shouldn't leak, no matter if they are old or new. Leaking windows aren't just an inconvenience, but can cause serious damage to your home. This includes mold growth and structural damage as well as higher heating and cooling costs. If you suspect that your windows are leaking you should contact a professional window repair service as soon as you can in order to bring the issue fixed.

Window leaks are typically an indication of a problem with the seals between panes of glass. If you notice condensation between the panes, this is a sure sign that your window seal has become damaged and moisture is getting into the insulating gap between the glass. Although a small amount of condensation is normal, if it persists and is visible on the exterior or interior of your home, it's time to call repairs done.

Water accumulating at the bottom of your window frame is a common reason for leaks. This could be a sign of blocked drain holes or flashing that is not properly installed or a sloped sill. A drainage hole that is clogged is easy to fix by using a coat hanger wire to clean out the gunk. By using roofing caulk, it is easy to fix improper flashing. If the window sill is sloping to one side it may be due to an improper pitch. A professional window repair service will be able to identify the cause and provide an immediate, cost-effective solution.

While it is not uncommon for old UPVC windows to break or leak but it is more cost-effective and efficient to hire a professional double-glazed repair service. They can bring back the appearance and function of your windows back to how they were when they were new. They can also replace handles, hinges and locks, if needed. Professional window repair companies will offer you a warranty on their work. You wouldn't get this if you were to repair the windows yourself.

It is difficult to open

If you notice that your windows are getting difficult to open, you must contact the company through which you purchased them. In most cases, a simple fix will resolve the issue. If the problem persists then you should consider replacing your old windows with newer ones. New double glazed Windows offer the most modern features to ensure your home is secure and warm. These include slimline uPVC frames or aluminium frames with advanced insulation that blocks heat from escaping and innovative security equipment.

Another indication that your double glazing is in need of repairs is condensation between the panes of glass. This is caused by a failure in the seals between the two panes. Inert gasses are supposed to escape between the two panes of glass and be replaced by moist air. This will keep your windows airtight and energy efficient. If this doesn't happen, then the seals may have become less effective over time due to changes in weather or other elements.

A draught coming from the double-glazed windows is another sign that the seals have failed, meaning that cold air is leaked into your home. This can also result in more energy costs as your heating system will need to work harder to keep the temperature of your home.

In some instances, a draught can be fixed by lubricating handles, hinges, or mechanisms on your double-glazed doors or windows. But, it is important to remember that this is only temporary solution and if the problem persists, you'll need to call in the experts.

To help reduce condensation, you can install ventilation in your windows and door like air bricks or extractors. You should also allow double-glazed doors and windows to breathe, which is possible by using trickle vents.