How to Deal With Double Glazed Repair

It's a good idea to inspect your double-glazed windows regularly, especially if you observe that the frames are expanding or contracting. This will reduce the risk of drafts.

If you notice condensation in between the panes, it is a sign that the seal is failing and needs to be replaced. Replacing the seal will not only help to reduce condensation, but it will also save on energy bills.

Broken or cracked Panes

Double glazing is not impervious to damage and it is possible for faults to occur that can reduce the energy efficiency of the windows and doors. Repairing double glazing is a relatively simple process but the right tools and expertise are required to make high-quality repairs. It is usually best to get a professional complete the task, instead of trying to do it yourself.


The most common fault that can affect a double-glazed window is a cracked or broken pane. It could be the result of a blow or knock to the frame from the outside, or from an attempt to open the window that is closed. The glass may break or crack 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 with a specific type of putty or a special tape. This will prevent the crack extending or getting worse, and also stop wind, water or other elements from getting into your home through the cracks.

Condensation of double glazing is another frequent issue and is often the result of a break of the window seal. It is a natural occurrence that is caused by different temperatures and weather conditions, therefore it is crucial to confirm whether your windows are in warranty before you attempt to fix them.

Typically, this is covered by the company that you purchased the double glazing from. Therefore, it is essential to contact them quickly and clearly explain the issue. It is best to address this in writing, rather than via text message or phone, and always keep an original copy of the correspondence.

If you're interested in trying to fix and fix a window that has become misty by yourself, a popular method is to drill through the middle of the damaged pane. The desiccant absorbs any moisture and help to solve the problem. However it is an interim solution, and it is recommended to have your double-glazed windows replaced with new units whenever possible.

Misty Panes

Double-glazed windows that fog up can be a major nuisance and cause major disruptions to your home. It is, however, fairly easy to fix the issue after you have figured out the root of the issue. Most of the time, the root of the problem is a failure of the seals between your window panes, which allows moisture to get in. This could be caused by poor installation, drainage problems or even faulty seals from the window manufacturer.

Standard sealed units comprise of two glass panes, with an open spacer bar sandwiched between them (shown in the above image). The inner face of this spacer bar is perforated. the bars that are used as spacers are filled with a desiccant which is there to absorb any moisture that comes into the unit. The two glass panes will then be sealed and the whole unit will be injected with gas in order to increase its thermal efficiency.

As you can imagine, if the sealed unit fails, moisture could get between the panes causing condensation and mist. This could also cause heat to escape your property, which could result in a substantial amount of money being lost due to energy bills.

Repairing a window that has been misted is a difficult task that shouldn't be attempted by a person who doesn't have extensive knowledge of the construction and glazing industries. However, if you are prepared to take on the challenge, it's possible to repair a misted sealed unit by adding a moisture absorbing desiccant back into the space between the glass panes.

Keep in mind, however this is an interim solution. The condensation will likely to return and the process might need to be repeated. It's more efficient to replace a misted glass unit and it's much more hygienic and faster. A replacement will bring back the original insulation to your property it is not possible with a repair. We recommend contacting with a reputable double glazing firm if you're experiencing condensation and misty windows. While you wait, make sure that your windows as clean and dry as possible.

Water Leaks

Double-glazed windows shouldn't leak, no matter if they are new or old. Leaking windows are not only an inconvenience but can cause significant damage to your home including mold growth, structural damage and increased heating and cooling costs. If you suspect that your windows are leaking, contact a professional window repair service as quickly as you can in order to bring the issue fixed.

Window leaks can be a sign that the seals between glass panes are not working correctly. If you notice condensation between the glass panes it's a sign that the seal between the two panes is deteriorating. The moisture is now leaking through the insulation space between the two panes. repair double glazing windows is perfectly normal. However, if the problem persists and is evident on the exterior or interior of your home it is the right time to call in an expert repair service.

The accumulation of water at the bottom of your window frame is a common reason for leaks. This can be an indication of clogged drain holes or flashing that isn't properly installed or an uneven sill. A clogged drainage hole is easy to fix by using a wire coat hanger to remove the gunk. Improper flashing is also easy to fix using roofing caulk to fill the gaps in the frame. A faulty pitch could be the cause of a window sill that slopes to one side. A professional window repair service will be able to identify the cause and provide an immediate, cost-effective solution.

It is not uncommon for UPVC windows that are older to break or leak. However, it is more cost-effective and efficient to use a double glazing repair service. They can bring your windows' appearance and function to how they were when they first came out. They can also replace hinges and handles, and locks if required. A professional window repair company will also provide you with a kind of guarantee for their work, which you will not get if you attempted to repair the window yourself.

The difficulty of opening

If you find that your windows are becoming harder to open, contact the company where you purchased windows. In the majority of cases, the problem is fixable by a simple fix. If the issue continues to persist, you may want to think about replacing your windows with more modern. Double-glazed windows with modern designs offer state-of-the-art features that will keep your home warm and secure, such as slimline uPVC or aluminium frames with advanced insulation that stops the heat from escape, and innovative security equipment to deter intruders.

Condensation between glass panes is another common sign that double glazing requires repair. This is caused by an issue with the seals between the two panes. Inert gas is supposed be able to escape 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 broken in some way, which may happen in time as a result of changing weather conditions or other causes.

A draft from a double-glazed window can also indicate that the seals are failing, which means that cold air is getting in to your home. This can also result in higher energy bills as your heating system has to work harder to keep the temperature of your home.

In some instances, a draught can be fixed by lubricating hinges, handles or mechanisms on your double-glazed doors or windows. However, it is important to keep in mind that this is only temporary fix. If the issue persists, then you'll need to contact a professional.

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