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20 Irrefutable Myths About Repair Double Glazing Windows: Busted
How to Repair Double Glazing Windows

If you have double-glazed windows, you may sometimes experience issues with handles, hinges and gaskets. It is possible to resolve these issues without replacing the entire window, which saves both time and money.

Condensation may build up in the space between the two panes. This is a sign the window needs to be fixed.

1. Broken Panes

A broken double pane glass can expose your home to the elements. However, it is not always necessary to replace the entire window sash in order to address this problem. Double pane windows can be fixed with an adhesive specifically designed for the cracks.

This repair method is usually used to prevent superficial cracks (such as stress cracks) from deteriorating further that can happen when temperature changes cause your glass to expand and contract. Alternatively, if your glass has shattered, it may be necessary to remove the broken window and replace it.

Sometimes, the seals between two panes of glass can get damaged or worn-out, causing condensation and misting on the windows. Typically, these problems result from moisture that is trapped between the two panes of glass or dripping through the window frame and into the wall. Moisture is not good for double-glazed windows, no matter the source. It can cause water damage and mold which is expensive to fix.

You can attempt to fix the issue by wiping your double-glazed windows using cold, lukewarm water. This can temporarily solve the issue, especially when it is humid and warm outside. You can also use the help of a dehumidifier in cooling the room using double-glazed windows. This is especially helpful in the summer months.

If the issue continues, a double glazing specialist is able to visit your home and clean the space between the panes of glass. They can also use a tool to create a line of score around the outside of your windows where you can cut the glass with a glass cutter (inexpensive cutters are available in hardware stores). Once this is done, you should take off all the glazing points and putty from the frame of your window opening. It is recommended to do this while the sash is in place. However, it is easier to work on flat surfaces, such as tables.

2. Seals

The window seal is a crucial component in double glazing and plays a vital function in keeping your home energy efficient as well as draught-free and safe. The seal is placed on the inside of uPVC frames and creates an airtight seal inside the space between the two panes of glass. The seals are a vital part of the double glazing's insulation. If they fail or experience problems they will reduce the insulation.

If your seals aren't able to do their job, you'll notice condensation between the panes. This is not only unsightly, but it can also lead to dampness and mould within the home. It can cause damage to floors, furniture, walls and create serious health issues for people suffering from respiratory issues like asthma.


The majority of double-glazing manufacturers offer a service that allows you to repair your windows without having to replace the entire unit. This is not just cheaper but also faster and more eco-friendly. In the meantime, there are some DIY options, like caulking to stop water leaks and moisture penetration, or lengths of self-adhesive rubber seals which can be applied directly to the window frame's junction sash and frame.

In the majority of instances, the easiest and most effective method to tackle failed window seals is to contact an expert. They'll be able to repair the window seal to stop the infiltration of air and moisture that can cause expensive damage and make your home more energy efficient.

It is worth looking over the documentation of your double glazing to see whether it has an assurance period of 10 to 20 years is the norm - this could save you money if your windows require replacement because of broken seals. Some installers may even drill holes into misted double glazing and draw out the moisture in order to create an entirely new seal, and stop it from misting again in the future. double glazing near me is a temporary fix and a plug must be put in to keep the hole closed.

3. Locking Mechanisms

Double-glazed windows have air gaps between the glass panes as insulation against the changing temperature outside and to keep warm in the home. This type of window is also known as an Insulated Glass Unit (IGU). They can give you an impressive energy efficiency which saves on your heating costs. They are not impervious to damage, and they may need repair to the double glazing.

Fortunately, a majority of them are easy to fix and are much less expensive than replacing the entire window. A company that offers double glazing repair will ensure the job is completed correctly and with minimum fuss. Most of these companies will offer no-cost quotes so that you can evaluate the cost and quality of their work.

It is important to check the warranty included with your double glazed window as it will typically cover the cost of repairs. This is a common feature of double-glazing installations and typically lasts for 10 to 20 years, however some companies offer lifetime guarantees.

If you cannot open your double-glazed window or it appears there is mist between the panes, then it is probably because the seal has blown. This could occur if the frame of the window shifts in a slight manner, or when the packing that holds the sheets of glass in place wears out with time.

There are double glazing repairs near me that you can fix a double glazed window by yourself, but it's usually much more efficient to work with a professional company. If you decide to attempt it yourself, then always follow the manufacturer's instructions and use the right tools for the job. You also risk voiding any warranty if trying to remove the window glass by yourself. You could end having to pay more than if the company that purchased the windows from contact you.

After you have removed the broken glass, you can replace it with plastic spacers. This will ensure that the replacement fits the frame. You can also add any uPVC beading that is required. Then, you can put in an additional wedge gasket and secure the window into its place.

4. Weatherproofing

If your double-glazed windows are difficult to open or have sagged, there are ways of fixing them. For instance, you could try oiling the mechanisms, hinges or handles to see if this helps. Another thing you can do is to replace the gaskets, which will enhance the performance of your windows and stop them letting in draughts and cold air. These are available at a hardware store or on the internet. They are easy to install. If you don't have the time to tackle this task yourself, you could always ask a professional to install it for you.

If you notice condensation between the window panes, this is also a problem that can be fixed easily. This is caused by an unsound window seal that allows moisture to enter between the glass panes. This could cause the glass to fog up, which is unattractive and ineffective.

Anyone with some DIY experience can easily replace the gaskets. Gasket sealer is essential to ensure a tight seal and will help reduce energy bills. Alternatively, you can use a calk for filling any cracks and give your windows an extra boost in their weatherproofing.

Another common problem with double-glazed windows is that the seals begin to break. This could be due to painting near the windows or by renovation work done on the property, or general wear and tear. If you find that your double-glazed windows have become misted it is crucial to fix them as soon as possible.

Double-glazed windows can be a great addition to your home, providing you with windows that are energy efficient and safe that keep the elements out and the heat in. There are times when it is best to replace your double-glazed windows, rather than repair them. This could include completely broken panes, extensive rot and frames that are not suitable for double glazing units.

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