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How to Repair Double Glazing Windows

If you have double-glazed windows there are times when you might encounter issues with handles, hinges and gaskets. They can usually be fixed without needing to replace your windows entirely, saving you money and time.

Condensation can build up in the space between the two panes. This is a sign that the window requires to be repaired.

1. Broken Panes

A damaged double pane glass could expose your home the elements. However, go!! is not always necessary to replace the entire window sash in order to address this problem. In fact, double pane windows are often able to be repaired with the use of a special adhesive that is inserted into the cracks to stop the cracks from getting worse.

This short-term option is used to prevent superficial fractures (such stress cracks) that can occur when temperature fluctuations cause the glass to shrink and expand. If your glass has cracked or broken, it could be necessary to completely remove the damaged window and replace it.

The seals between two panes can wear out or be damaged which can cause condensation and misting on the windows. Typically, these problems result from moisture that is trapped between the two glass panes or seeps through the window frame and into the wall. Moisture is not good for double-glazed windows regardless of the source. It can cause mold and water damage which is expensive to fix.

You can try to control the issue by cleaning the windows of your double-glazed windows with cold, lukewarm water. This will help temporarily fix the issue especially if the weather is warm and humid. You could also try a dehumidifier in the area where your double-glazed windows are situated which is particularly beneficial during summer.

If the problem persists a double glazing specialist can come to your home and clean the space between the panes of your glass. A tool can be used to draw an outline around the perimeter of your windows, allowing you to cut the glass using a glass cutter. After this is completed, you should remove all glazing points and putty from the frame of your window opening. This is best done with the sash still in place, although it's easier to work on a flat surface, such as a table.

2. Seals

The window seal is a crucial component of double glazing. It assists in keeping your home safe and energy efficient, as well as draught free. The seal is situated on the inside of uPVC frames and creates an airtight seal within the space between the two glass panes. This is a crucial component of the insulation the double glazing provides and any issues or failures in the seals could greatly diminish the benefits.

If your seals aren't doing their job, you'll notice condensation appearing between the panes. This isn't just ugly however, it could also lead to dampness and mould in the home. Mold and damp can cause damage to floors, walls as well as furniture. It can be a serious health risk for those with respiratory conditions such as asthma.

The good news is that most double glazing companies will provide the option of repairing windows without having to replace the entire unit. This isn't just cheaper, but it can be a faster and more environmentally friendly alternative. In the meantime, there are a few DIY alternatives, such as using caulking to tackle leaks and moisture penetration or lengths of self-adhesive seals that can be affixed directly to the window frame's junction frame and sash.

In most instances, the easiest and most effective method to fix a damaged window seal is to contact a professional. They'll be able to repair the window seal to stop the ingress of air and moisture that could cause costly damage, and make your home more energy efficient.

It's worth checking the documentation of your double glazing to find out whether it comes with a warranty period - 10 to 20 years is common and can save you money if your windows require replacement because of broken seals. Some installers will drill the misted double glazing to remove the moisture and make an entirely new seal. This will stop it from misting again in the future. This is a temporary fix and a plug must be installed to keep the hole closed.

3. Mechanisms for Locking

Double-glazed windows have air gaps between the glass panes to provide insulation against changing temperatures outside and to keep heat in the house. This kind of window could also be called an insulated unit (IGU). They can provide you with lots of energy efficiency, which can lower your heating expenses. They are not impervious to damage, and they may need repairs to double glazing.

Most of these problems are easy to fix, and they're much cheaper than replacing the entire window. It is best to contact a specialist firm that provides double glazing repair services so that you can be sure that the repair is carried out efficiently and with minimum effort. Many of these companies will give you a free quote so that you can compare costs and the quality of their work.

It is essential to verify the warranty that came with your double-glazed windows, as this will usually cover the cost of a repair. This is a standard part of all double glazing installations and is typically for 10 or 20 years, however some companies have even offered lifetime guarantees.

The seal may have blown if you cannot open your double-glazed window, or if you notice there appears to be a misty area between the panes. This can occur when the frame of the window shifts in a slight manner, or when the packaging that holds the sheets of glass in place deteriorates with time.





There are many ways you can repair a double glazed window yourself, however it is generally better to hire a professional company. If you attempt to do it yourself, you must always follow the instructions of the manufacturer and use specific tools to complete the task. It is also worth bearing in mind that if you attempt to remove the glass by yourself, you'll be breaking any guarantee that you might have and you could end up paying a higher cost than if simply made contact with the company from whom you purchased your windows.

After removing the broken glass and replacing it with plastic spacers. This will ensure that the new glass is a good fit for the frame. You can also add any uPVC beading needed. Then you can put in the gasket with a new seal and secure the window.

4. Weatherproofing

There are solutions to fix double glazing windows that are hard to open, or have sagged. Oil the hinges, handles, or mechanisms to see if this helps. Another thing you can try is to replace the gaskets, which will increase the efficiency of your windows and stop them letting in draughts and cold air. They can be found in a hardware store or online. They are easy to install. If you do not have the time to do this yourself, you can have a professional complete the task for you.

If you have condensation between your window panes, this is also a situation that can be easily fixed. This is usually caused by the seal being damaged, which will allow moisture to enter the gap between the glass panes. This could cause the glass to cloud up, which can be unsightly and ineffective.

Anyone with a bit of DIY expertise can easily swap out the gaskets. Gasket sealer is essential to ensure a tight seal and can reduce energy bills. You can also apply an elastomer to fill any cracks. This will give your windows an extra boost of weatherproofing.

Another common problem with double-glazed windows is that the seals break down. This could be due to painting near the windows, renovation work on the property or general wear and tear. If you notice that your double-glazed windows have started to fog it is crucial to get them fixed as soon as possible.

Double-glazed windows can be an excellent addition to your home. They provide you with energy efficient and secure windows that keep the cold out and the heat in. However, there are times when it is best to replace your double glazed windows, rather than repair them. This can be due to frames that have broken panes or panes that are not suitable for double glazing.