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How to Deal With Double Glazed Repair

It is recommended to have your double-glazed window frames checked regularly, especially in the event that they are shrinking or expanding. This will decrease the chance of drafts.

If you notice condensation between the glass panes, the seal may be failing and needs to be replaced. The seal can be replaced to decrease condensation and conserve energy.

Cracked or Broken Panes

Double glazing is not indestructible and it is possible for faults to occur that can affect the efficiency of energy-efficient windows and doors. Repairing double glazing is a relatively simple process but the right tools and skills are needed to carry out top-quality repairs. It is recommended to work with a professional firm to do the work instead of attempting it yourself.

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

Repairing double-glazed glass windows susceptible to cracking with the help of special tape or putty. This will prevent the crack from extending or becoming worse and it will stop any water, wind or other elements from entering the home through the cracks.

Another issue that is common is condensation in double-glazed windows. This is typically the result of a broken window seal. It is a natural phenomenon that can occur due to varying temperatures and weather conditions, therefore it is essential to ensure whether your windows are under warranty prior to attempting to repair them.

This will usually be covered by the company who supplied you with your double glazing, so it's important to contact them promptly and explain the problem clearly. It is recommended to do this in writing, rather than via text message or phone Keep the copy of your correspondence.


Drilling a hole in the center of a misted pane is a common method of fixing it yourself. The desiccant absorbs any moisture and will help solve the problem. This is a temporary solution and it is recommended you replace your double-glazed units with new ones as soon as possible.

Misty Panes

If double-glazed windows begin fogging up, it can be a real pain and can cause significant disruptions to your home. However, it is relatively easy to resolve the issue after you have figured out what's causing it. In the majority of cases, the problem is caused by a flaw in the seals which separate the window panes. This allows moisture be able to get. Poor installation or drainage issues, or even damaged seals made by the window manufacturer can cause this problem.

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

As you can imagine if the seal is damaged, moisture may get in between the panes and cause condensation and mist. This will also lead to heat escaping your property which could lead to a significant amount of money squandered in energy bills.

Unfortunately, fixing a misted double glazing window can be a bit difficult and isn't something that should be attempted by anyone who doesn't have extensive knowledge of the construction industry. However, if you're willing to tackle the challenge, then it's possible to fix a sealed unit that has been misted by adding a moisture absorbing desiccant back into the space between the glass panes.

Keep in mind that this is only a temporary fix, and the condensation may occur again. The process will need to be repeated. It's more efficient to replace the misted glass and will be much cleaner and quicker. A replacement will also help restore the original insulation of your house that isn't accessible with a repair. If you are experiencing misted windows and condensation, we suggest contacting an established company that provides double glazing. While you wait, make sure to keep your windows as clean and dry as possible.

Water Leaks

Double-glazed windows shouldn't leak, whether they are new or old. Leaking windows aren't just an inconvenience, but they could cause significant damage to your home, including the development of mold and structural damage, as well as increased heating and cooling costs. If you suspect a leak call a reputable window repair service as soon as you can to get the issue under control.

Window leaks could be an indication that the seals between glass panes are not working properly. If you see condensation between the panes this is a sure sign that the seal on your window has deteriorated and that water is leaking into the insulating gap between the glass. Although a small amount of condensation is normal, if it is persistent and becomes visible on the outside or inside of your home, it's time to get repairs done.

Another reason for leaks is that water collects on the bottom of the frame of your window. This can be a sign of drainage holes that are blocked, improper flashing or a sloped sill. A drainage hole that is blocked is easy to fix by using a coat hanger made of wire to clean out the gunk. Improper flashing is also easy to fix by using roofing caulk to fill the gaps in 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 identify the cause of the problem and provide an affordable and quick solution.

It is not uncommon for UPVC windows that are older to leak or break. However, it is more cost-effective and efficient to use an expert to repair your double glazing. They can bring back the appearance and functionality of your windows to the way they were when they were brand new. They can also replace hinges, handles and locks if required. A professional window repair service will also offer a form of guarantee for their work, which you would not get if you attempted to repair the window yourself.

Difficulty to Open

If you notice that your windows are getting difficult to open, it is best to contact the company through which you purchased them. Most of the time the issue can be solved with a simple fix. If the issue persists and you are unable to resolve it, you should consider replacing your windows with contemporary designs. New double glazed windows offer the latest technology to keep your home safe and warm, including slimline uPVC or aluminium frames, advanced insulation to stop the heat from escape, and innovative security equipment to keep out intruders.

Another indication that your double glazing is in need of repairs is condensation that forms between the glass panes. This is due to an issue with the seals which separate the two panes. Inert gases are supposed to escape between the two panes of glass and be replaced by moist air. This will keep your windows airtight and energy efficient. If this doesn't happen, the seals could have degraded or even broken and this could happen over time as a result of weather changes or other elements.

A draft from a double-glazed window could also indicate that the seals aren't working and cold air is leaking in to your home. This can lead to more energy costs as your heating system will need to work harder to maintain the temperature of your home.

In certain cases, a draught may be resolved by lubricating hinges, handles, or mechanisms on double-glazed doors or windows. It is important to note that this is a temporary solution and you'll be required to consult with a professional when the issue persists.

glazier Repair My Windows And Doors can also install ventilation systems, such as extractors, air bricks, or vents in your doors and windows to alleviate condensation issues. It is also essential to allow your double-glazed windows and doors to breathe by keeping them open to the maximum extent possible, which is possible with trickle vents.

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