This Is The Double Glazed Repair Case Study You'll Never Forget

· 6 min read
This Is The Double Glazed Repair Case Study You'll Never Forget

How to Deal With Double Glazed Repair

It's a good idea to have your double-glazed windows inspected frequently, particularly if you observe that the frames are contracting or expanding. This can reduce the chance of drafts.

If you notice condensation between the glass panes, the seal could be failing and should be replaced. Replacing the seal will not only help to reduce condensation, but also help to reduce the cost of energy.

Cracked or Broken Panes

Double glazing is not indestructible and it is possible for faults to occur that could reduce the efficiency of energy-efficient windows and doors. Repairing double glazing is a straightforward process, but the proper tools and knowledge are required to carry out quality repairs. It is recommended to employ a professional complete the task, rather than try to do it yourself.

A broken or cracked window is the most frequent issue with double-glazed windows. A knock or a blow from the outside can trigger this, as could an attempt to open a closed window that is stuck. Glass can crack or break into pieces based on its size and the force used to crack it.

If a double-glazed window is prone to cracking it can be repaired with a type of putty or tape. This will prevent the crack expanding or getting worse and will stop the elements of wind, water or other elements from entering your home through the cracks.

Another problem that is frequently encountered is condensation in double glazing. This is typically caused by a damaged window seal. It is a common occurrence that happens due to temperature and weather changes. Before attempting to fix your windows, check to see if they are still covered under warranty.

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


Drilling a hole into the center of a misted pane is a common method to fix it yourself. The desiccant will absorb any moisture and help to solve the issue. However, this is only temporary solution, and it is recommended to get double-glazed windows replaced with new units whenever possible.

Misted Panes

If double-glazed windows begin getting misty, it can be a real pain and can cause significant disruption to your home. Once you have identified the source it's easy to repair. In most cases the cause of the problem is a failure of the seals between your window panes, which allows moisture to get in. Poor installation, drainage issues or even faulty seals by the window manufacturer can cause this problem.

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

As you can imagine, if a sealed unit fails, then moisture can get in between the panes and this could cause condensation and mist. This can also result in heat escaping from your property, which can result in a substantial amount of money lost on energy bills.

However, fixing the misted double glazing window can be a little tricky and shouldn't be attempted by anyone who doesn't have an extensive understanding of the construction industry. However, if you are willing to tackle the challenge, then it's possible to repair the misted seal by adding moisture absorbing desiccant back into the space between the glass panes.

Remember that this is a temporary fix and the condensation could occur again. The process will need to be repeated. It is more effective to replace a misted unit. It is also more efficient and cleaner. Replacements can also help restore the original insulation of your home which isn't possible with repair.  repairs to double glazing windows  suggest getting in touch with a reputable double-glazing company if you're struggling with condensation or misty windows. In the meantime, you can try making sure your windows are as dry as possible by ensuring that they are well ventilated and cleaned regularly.

Water Leaks

If they're new or old, double glazed windows must not leak. Leaking windows aren't just a nuisance but they can cause significant damage to your home, including mold growth and structural damage as well as higher heating and cooling expenses. If you suspect that your windows are leaking you should contact a professional window repair service as quickly as you can to get the problem under control.

Window leaks are typically indications of a problem with the seals that connect the panes of glass. If you notice condensation between the glass panes, it is a sign that the seal between the two panes is deteriorating. The moisture is now leaking through the insulating space between the two panes. While some condensation is normal, if it continues to grow and becomes visible on the interior or exterior of your house, it's time to have repairs done.

Water accumulating at the bottom of your window frame is another common cause of leaks. This can be an indication of drain holes that are blocked or flashing that is not properly installed, or a sloped sill. It is simple to clear a clogged drain hole using a coat hanger. Flashing that isn't properly installed is also simple to fix by using roofing caulk to fill in the gaps around the frame. A wrong pitch could be the reason of the window sill sloping to one side. A professional window repair service can identify the cause of the problem and provide an affordable and quick solution.

While it is not unusual for old UPVC windows to leak or break however, it is more cost-effective and efficient to get a professional double-glazed repair service. They can restore the look and function of your windows back to what they were like when they were new. They can replace hinges, handles and locks if necessary. Professional window repair companies will offer you a guarantee on their work. You would not get this if you attempted to repair the windows yourself.

The difficulty of opening

If you notice that your windows are becoming difficult to open, you must get in touch with the company from which you bought windows. In the majority of cases, a simple repair can resolve the issue. If the problem persists then you should consider replacing your old windows with more modern. Double-glazed windows with modern designs offer modern features that keep your home warm and secure, including slimline uPVC or aluminium frames and advanced insulation to prevent heat from escaping, and sophisticated security hardware that deter intruders.

Another sign that your double glazing is in need of repairs is condensation between the panes of glass. This is due to an issue with the seals that connect the two panes. Inert gasses are supposed to escape between the panes of glass and be replaced by humid air. This keeps your windows airtight and energy efficient. If this doesn't happen, the seals may have deteriorated or broken and this could happen in time as a result of weather changes or other elements.

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

In some cases, a draught can be fixed by lubricating the hinges, handles or mechanisms of your double-glazed doors or windows. It is crucial to note that this is only a temporary solution, and you'll be required to consult with a professional when the issue persists.

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