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15 Incredible Stats About Double Glazed Repair
How to Deal With Double Glazed Repair

It is recommended to have your double-glazed window frames regularly inspected, especially if they are shrinking or expanding. This will decrease the risk of drafts.

If you see condensation between the glass panes, the seal may be failing and needs to be replaced. Replacing the seal will not only help to reduce condensation, but it will also help to reduce the cost of energy.

Broken or cracked panes

Double glazing isn't indestructible. It can experience defects that could decrease the efficiency of energy. Repairing double-glazing can be an simple task, but you will require the proper tools and experience to do it properly. It is generally recommended to hire a professional to complete the task, instead of trying to do it yourself.

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

You can repair double-glazed glass windows that is prone to cracking with the help of special tape or putty. This will stop the crack from expanding or becoming worse and it will block any water, wind or other elements from entering your home through the cracks.

Condensation of double glazing is a different issue that is common and this is often caused by a failure of the window seal. It is a natural process that is caused by different temperatures and weather conditions, so it is crucial to confirm that your windows are in warranty before you attempt to repair them.

This will usually be covered by the company who sold you your double glazing, therefore it's essential to contact them promptly and clearly explain the issue. This is best written down instead of by text or phone. Always keep an original copy.

Drilling a hole into the centre of a misted pane is an easy method of fixing it yourself. A special desiccant is then put in to absorb any moisture and this can 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 fogging up, it can be a huge issue and cause a significant disruption to your home. Fortunately, it can be fairly simple to fix the issue after you have figured out what's causing it. In most cases the cause of the problem is a failure of the seals between your window panes, which allows moisture to enter. Poor installation or drainage issues, or even faulty seals by the window manufacturer can cause this issue.

Standard sealed units consist two glass panes that are sandwiched by an open spacer (shown above). The inner face of this spacer bar is perforated and the bars are filled with a desiccant, that is used to absorb any moisture that gets into the unit. The two glass panes then are sealed together and the whole unit is injected with gas to improve its thermal efficiency.

As you can imagine, if the sealed unit is damaged, moisture may get in between the panes and cause condensation and mist. This could cause heat to escape from your property, which could result in a substantial amount of money lost on energy bills.

However, fixing the misted double glazing window can be a bit difficult and shouldn't be attempted by anyone without extensive knowledge of glazing and the construction industry. If you are willing to take on the challenge, it's possible to repair a misted sealed window by adding moisture-absorbing desiccant to the gap between the glass panels.

Bear in mind, though, that this is only temporary solution, and the condensation will likely to return and the process might need to be repeated. It's much more efficient to replace misted glass units and it will also be much cleaner and quicker. A replacement will restore the original insulation of your property, which is not possible through a repair. If you are experiencing misted windows or condensation, we suggest you contact an established company that provides double glazing. While you wait, make sure to keep your windows as clean and dry as possible.

Water Leaks

Whether they are new or old, double glazed windows should not leak. Leaking windows are not only a nuisance but they can cause severe damage to your home such as the development of mold, structural damage and increased heating and cooling costs. Contact a professional window company as soon as you suspect a issue.

Window leaks can be a sign that the seals between glass panes aren't functioning correctly. If you notice condensation between the panes of glass it's a sign that the seal between the two panes has become weaker. Moisture is now seeping through the insulating space between the two panes. While a little condensation is normal, if it is persistent and is visible on the interior or exterior of your house, it's time to call a repair service in.

Another reason for leaks is water collecting on the bottom of the frame of your window. This could be a sign of drainage holes that are blocked or flashing that is not properly installed or a sloped sill. It is easy to clean out a clogged drain hole using a coat hanger. Improper flashing is also easy to fix using roofing caulk to fill the gaps around the frame. If the window sill slopes to one side, it could be due to an incorrect pitch. A professional window repair service can identify the reason and provide an immediate, cost-effective solution.

It is not uncommon for UPVC windows that are older to leak or break. However it is more economical and efficient to use a double glazing repair service. They can restore your windows' appearance and functionality to the way they were when they first came out. They can even replace handles, hinges and locks, if needed. Professional window repair companies will offer you a guarantee on their work. You would not get this if you were to fix windows yourself.

Difficulty to Open

If you find that your windows are becoming harder to open, contact the company from which you purchased them. In the majority of cases the issue can be resolved by a simple fix. If the issue continues to persist, you should consider replacing your windows with new, more modern designs. New double glazed windows offer modern features that keep your home warm and secure, such as slimline uPVC frames made of aluminium with advanced insulation that stops heat from escaping, as well as innovative security hardware to stop intruders from entering your home.

double glazing windows repair between glass panes is a common indication that double glazing requires repair. This is due to an issue with the seals between the two panes. Inert gasses are supposed to escape between the panes of glass and then be replaced by moist air. This keeps your windows airtight and energy efficient. If this doesn't happen, then the seals may have become less effective over time due to weather changes or other factors.

A draft that is coming from a double-glazed window can be a sign the seals aren't working, which means that cold air is getting into your home. This could also lead to more energy costs as your heating system will have to work more to maintain the temperature of your home.


In certain situations the draught could be fixed by lubricating hinges, handles or mechanisms of windows or doors that are double-glazed. However, it is important to remember that this is a temporary fix and if the issue persists, you'll have to call in the experts.

You can also put in ventilation, such as extractors, air bricks, or vents in your doors and windows to alleviate condensation issues. It is also important to allow double-glazed doors and windows to 'breathe,' which can be achieved with trickle vents.

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