How to Deal With Double Glazed Repair
It is a good idea to have your double-glazed windows checked regularly, especially if notice the frames are expanding or contracting. This will reduce the risk of drafts.

If you notice condensation between the glass panes, the seal may be failing and should be replaced. Replacing the seal will not only reduce condensation but will also save on energy bills.
Broken or cracked Panes
Double glazing is not indestructible. It can develop problems that could reduce the efficiency of energy. Repairing double-glazing is an simple task however, you'll need the right tools and expertise to complete it right. It is recommended to get a professional perform the work rather than try to do it yourself.
A broken or cracked pane is the most common problem with double-glazed windows. This can be a result of a blow or knock on the frame from outside or an attempt to open windows that are shut. The glass could crack or break into small pieces, depending on the size of the crack and the force that is applied to it.
If the double-glazed window is susceptible to cracking, it can be repaired by using a specific type of putty or tape. This will stop the crack from extending or getting worse. It will stop any moisture, wind or other elements from entering your home through the cracks.
Another problem that is frequently encountered is condensation in double-glazed windows. It is usually caused by a damaged window seal. double glazing seal repairs is a natural process that occurs due to different temperatures and weather conditions, so it is essential to ensure that your windows are still under warranty prior to attempting to fix them.
This is usually covered by the company who provided you with the double glazing, so it's important to contact them promptly and explain the problem clearly. It is best to address this in writing instead of via text message or phone and keep the copy of your correspondence.
Drilling a hole in the centre of a misted pane is a common method to fix it yourself. The desiccant will absorb moisture and help to solve the issue. However it is an interim solution, and it is recommended that you have your double-glazed windows replaced by new units as soon as possible.
Misted Panes
Double-glazed windows that fog up can be a huge issue and cause major disruptions in your home. Once you have identified the source it's fairly easy to repair. In most cases the cause of the issue is a failure of the seals between the window panes, which allows moisture to enter. This could be caused by inadequate installation, drainage issues or even seals that are defective from the window manufacturer.
Standard sealed units comprise of two glass panes with a hollow spacer bar inserted between them (shown in the above image). The inside of this spacer bar is perforated and the bars that are used as spacers are filled with a desiccant, which is there to absorb any moisture that is absorbed into the unit. The two glass panes will be sealed, and the entire unit will be filled with gas in order to improve its thermal efficiency.
As you can imagine if the sealed unit is damaged, moisture may be trapped between the panes, causing condensation and mist. This can also result in heating being lost from your home which could result in a significant amount of money lost through energy costs.
Unfortunately, repairing the misted double glazing window isn't easy and isn't something that should be attempted by anyone who doesn't have extensive knowledge of the glazing industry and construction industry. However, if you're prepared to take on the challenge, it's possible to fix the misted seal by adding a moisture absorbing desiccant back into the space between the glass panes.
Be aware, however, that this is only temporary solution, and the condensation will likely return and the process could need to be repeated. It's much more efficient to replace misted glass units and it will also be more efficient and cleaner. A replacement will also help restore the original insulation of your property which isn't possible through repair. We suggest getting in touch with a reputable double glazing company if you're having trouble with condensation and misty windows. In the meantime, consider keeping your windows as dry as you can by ensuring that they are well ventilated and cleaned regularly.
Water Leaks
No matter if they are brand new or old, double-glazed windows must not leak. Leaking windows are not only an inconvenience, but they could cause significant damage to your home such as the development of mold and structural damage as well as higher heating and cooling expenses. Contact a professional window company as soon as you suspect that there is a issue.
Window leaks could be a sign that the seals between glass panes aren't functioning correctly. If you notice condensation between the glass panes it's an indication that the seal between the two panes is deteriorating. Moisture is now seeping through the insulating space that is between the two panes. A small amount of condensation is normal. However, if the problem 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 your window frame is a typical cause of leaks. This can be an indication of blocked drain holes, improper flashing, or a sloped sill. It is simple to clear a clogged drainage hole by using a coat hanger. Improper flashing is also easy to fix by using roofing caulk to fill in the gaps around the frame. A misplaced pitch could be the cause of a window sill that slopes to one side. A professional window repair service will identify the cause of the issue and provide an affordable and quick solution.
It is not unusual for UPVC windows that are older to break or leak. However it is more economical and efficient to employ an expert to repair your double glazing. They can restore your windows' appearance and functionality to what they were when they first came out. They can also replace hinges, handles, and locks if required. A reputable window repair service will also give you some kind of guarantee for their work, which you could not get if you attempted to repair the window yourself.
Difficulty to Open
If you notice that your windows are becoming difficult to open, you should get in touch with the company from which you purchased them. Most of the time, the problem can be resolved with an easy fix. If the issue continues to persist and you are unable to resolve it, you should consider replacing your windows with contemporary designs. New double glazed windows offer modern features that keep your home warm and secure, including slimline uPVC or aluminium frames and advanced insulation to prevent the heat from escape, and innovative security hardware to stop intruders from entering your home.
Another common sign that your double glazing requires repairs is condensation that forms between the glass panes. This is due to a failure of the seals that connect the two panes. Inert gas is supposed to be able to escape between the glass and replace it with moist air, making sure that your windows remain airtight and thermally efficient. If this isn't happening the seals may have deteriorated or broken and this may happen in time as a result of changing weather conditions or other elements.
A draught coming from your double-glazed window is also a common sign that the seals have failed, indicating that cold air is getting into your home. This can also lead to higher energy bills, as your heating will have to work harder to keep the temperature of your home steady.
In some cases, a draught can be fixed by lubricating the hinges, handles or mechanisms of windows or doors that are double-glazed. It is important to remember that this is only a temporary solution and you will be required to consult with a professional when the issue persists.
You can also install ventilation devices, like extractors, air bricks or vents in your doors and windows to assist with condensation issues. It is also important to allow your double-glazed doors and windows to 'breathe,' which you can achieve with trickle vents.