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7 Things About Double Glazed Repair You'll Kick Yourself For Not Knowing
How to Deal With Double Glazed Repair

It is recommended to ensure that your double-glazed window frames are inspected regularly, particularly when they are shrinking or expanding. This will decrease the risk of drafts.

If you find condensation between the panes, this is an indication that the seal is failing and needs 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 impervious to damage. It is susceptible to developing faults that can reduce the efficiency of energy. Repairing double glazing is a relatively simple process but the right tools and expertise are required to make high-quality repairs. It is recommended to hire a professional to complete the task, instead of trying to do it yourself.

The most common fault that can affect a double-glazed window is a broken or cracked pane. This can be a result of a blow or knock to the frame from the outside or an attempt to open a window that is stuck closed. The glass could break or crack into smaller pieces, depending on the size of the crack and the force applied to it.

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

Condensation in double-glazed windows is a different issue that is common 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, which is why it is crucial to confirm that your windows are still in warranty before you attempt to fix them.

Typically, this issue will be covered by the company you purchased your double glazing from so it is essential to contact them immediately and clearly explain the issue. It is best to do this in writing rather than by text or phone, and always keep a copy of your correspondence.

Drilling a hole into the middle of a misted pane is a popular method to fix it yourself. The desiccant will absorb moisture and aid in resolving the problem. However it is an interim solution, and it is recommended that you have double-glazed windows replaced with new windows whenever possible.

Misty Panes

When double glazed windows start fogging up, it can be a major pain and can cause significant disruption in your home. If you can pinpoint the issue it's fairly easy to fix. In most cases the cause of the issue is a defect in the seals between the window panes, which allows moisture to get in. This can be caused by poor installation, drainage issues or even faulty seals from the window manufacturer.

double glazing repair near me sealed units are made up of two glass panes that have a hollow spacer bar sandwiched 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 to suck up any moisture. The two glass panes then be sealed together and the whole unit will be injected with gas in order to improve its thermal efficiency.

As you can imagine if the sealed unit fails, moisture could be trapped between the panes, causing condensation and mist. This can also result in the heat from your home being lost which can add up to an enormous amount of money being lost in energy costs.

Repairing a misted window is a challenging task that should not be attempted by anyone who doesn't have a solid understanding in the construction and glazing industries. If you're prepared to take on the challenge then it is possible to fix a misted sealed unit by putting moisture-absorbing desiccant to the gap between the glass panes.

Bear in mind, though it's only an interim solution. The condensation will likely return and the process may need repeating. It's much more efficient to replace a misted unit. It will also be more efficient and cleaner. A replacement can also help restore the original insulation of your house that isn't accessible in repairs. If you are experiencing misted windows and condensation, we suggest you contact an experienced company that can provide double glazing. In the meantime, consider keeping your windows as dry as possible by ensuring that they are well ventilated and cleaned regularly.

Water Leaks

Double-glazed windows shouldn't leak, whether they are old or new. Leaking Windows are not just a nuisance, but can also cause serious damage to your home. This includes mold growth as well as structural damage and higher heating and cooling costs. If you suspect a leak, contact a professional window repair company as soon as you can in order to bring the issue under control.

Window leaks could be an indication that the seals between glass panes aren't working correctly. If you notice condensation between the panes this is a sure sign that your window seal has been damaged and that water is leaking into the insulating gap between the glass. Although a small amount of condensation is normal, if it continues to grow and becomes visible on the exterior or interior of your home it is time to have a repair service in.

Another reason for leaks is water collecting at the bottom of the frame of your window. This could be a sign of blocked drain holes, improper flashing or an uneven sill. It is simple to clear a blocked drain hole by using a coat hanger. Flashing that isn't properly installed is also simple to fix using roofing caulk to fill in the gaps around the frame. If the window sill is sloped to one side it may be due to an incorrect pitch. A professional window repair service can determine the root 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 the look and function of your windows to the way they were when they were brand new. They can also replace hinges, handles and locks if required. Professional window repair companies will give you a warranty on their work. You would not get this if you attempted to repair the windows yourself.

It is difficult to open

If you notice that your windows are getting difficult to open, you should get in touch with the company through which you purchased windows. In the majority of cases, a simple fix can resolve the issue. If the issue continues to persist, you should consider replacing your windows with modern, more modern designs. Double-glazed windows are available with modern features that keep your home warm and secure, such as slimline uPVC frames made of aluminium, advanced insulation to stop the heat from escape, and innovative security hardware to keep out intruders.


Another indication that your double glazing requires repairs is condensation that forms between the glass panes. This is caused by a failure in the seals between the two panes. Inert gases are designed to escape between the two panes of glass and be replaced by humid air. This keeps your windows in a breathable state and be energy efficient. If this isn't the case, the seals may have become less effective over time due changes in weather or other elements.

A draft coming from the double-glazed windows is another sign that the seals have failed, which means that cold air is leaked into your home. This can also lead to more expensive energy bills as your heating system will need to be more efficient to keep the temperature in your home in a stable state.

In certain cases the draught could be fixed by lubricating the hinges, handles or mechanisms of windows or doors with double glazing. However, it is important to remember that this is only temporary solution and if the issue persists, then you'll need to contact a professional.

You can also install 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' by leaving them open to the maximum extent possible, which can be achieved with trickle vents.

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