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How to Repair Double Glazing Windows

If you have double glazing there are times when you might encounter issues with gaskets, hinges, and handles. These can often be fixed without the need to replace your windows entirely, saving your time and money.

One of the most common issues is condensation accumulating in the space between the two glass panes. This is usually a sign that the window has become defective and requires attention.

1. Broken Panes

A broken double pane window is a serious problem and can leave your home exposed to the elements. However, it's not always necessary to replace the entire window sash to fix this problem. In fact, double pane windows are typically repairable with the help of a special adhesive that is put inside the cracks to stop them from getting worse.

This short-term option is used to avoid superficial fractures (such stress cracks) that may occur when temperature fluctuations cause the glass to shrink and expand. If your glass has been damaged, you may need to remove and replace the entire window.

Sometimes, the seals between the two glass panes may become damaged or worn out causing condensation and misting of windows. Most often, these issues are caused by moisture that is either trapped between the two panes of glass or seeps through the window frame into the wall. Regardless of the source, moisture is bad news for double-glazed windows because it can lead to mold and water damage and can be expensive to deal with.

You can attempt to fix the issue by wiping the windows of your double-glazed windows with cold, lukewarm water. This will help temporarily fix the issue particularly when the weather is hot and humid. You can also consider using a dehumidifier in the room where your double-glazed windows are located, which can be particularly helpful during the summer.

If the issue continues, a double glazed specialist can come to your home and clear the space between your glass panes. A tool can also be used to make an outline around the perimeter of the windows, where you can cut the glass using a glass cutter. After that, you should remove all the glazing points from your window opening. This should be done while the sash is still in place, although it's easier to work on a flat surface such as a table.

2. Seals

The window seal is an essential element of double glazing. It is essential to keep your home safe and energy efficient as well as draught free. The seal spans the inner perimeter of the uPVC frame and holds an air-tight seal over the gas-filled space between the two panes of glass in the window. This is a crucial component of the insulation your double glazing delivers and any issues or failures in the seals could substantially diminish this benefit.

If your seals aren't performing their job, the result will be condensation between the panes. It's not just ugly; it can lead to mould and damp in your home. Mold and damp can cause damage to walls, floorboards as well as furniture. It can also have serious health implications for those suffering from respiratory ailments like asthma.

The good news is that most double glazing window repair glazing manufacturers will offer a service to repair double glazing windows without replacing the entire unit. This isn't only cheaper however, it can also be a faster and greener option. In the meantime, there are some DIY options such as caulking to stop water leaks and moisture penetration, or lengths of self-adhesive rubber seals that can be affixed directly to the window frame's junction sash and frame.

A professional call is the simplest and most effective way to fix a broken window seal. They'll be able replace the window seal, preventing the ingress of air and moisture that can cause expensive damage and can make your home more energy efficient.

It is worth looking over the documentation of your double glazing to determine if it has an assurance period of 10 to 20 years is the norm - this could save you money if the windows require replacement because of damaged seals. Some installers will even drill misted double glazing and draw out the moisture to create a new seal to prevent it from leaking again in the future. This is a temporary fix, and a plug must be installed to keep the hole closed.

3. Locking Mechanisms

Double glazed windows use gaps of air between the glass panes to protect against the fluctuating temperatures outside and to help keep heat in the house. This kind of window could be referred to as an insulated unit (IGU). They can give you an impressive energy efficiency that can save on your heating costs. They aren't indestructible and may require repair double glazing to the double glazing.

The majority of these issues are easy to fix and are less expensive than replacing the entire window. It is recommended to contact a specialist company who offer double glazing repair services, so that you can be sure that the repair is carried out in a timely manner and without effort. Often these companies will provide a free quote to allow you to compare prices and the quality of their work.

It is crucial to confirm the warranty included with your double-glazed window as it will typically pay for repairs to double glazing windows. This is a typical feature of the majority of double glazing installations and is typically for 10 or 20 years although certain companies even offer lifetime guarantees.

If you cannot open your double-glazed windows or it appears there is mist between the panes then this could be because the seal has failed. This can occur when the frame of the window shifts slightly, or if the packing that holds the glass sheets in place becomes damaged with time.

You can repair double-glazed windows yourself, but it's simpler to employ a professional. Always follow the instructions of the manufacturer and make use of the correct tools. It is also worth bearing in mind that if you attempt to remove the glass yourself then you'll be breaking any warranty you may have and could result in a larger cost than if simply contacted the company from whom you bought the windows.

Once the damaged pane is removed, you can put it back with plastic spacers, making sure that it fits into the frame. Then, you can add any uPVC beading. Then you can fit the gasket of a new wedge and lock the window in the frame.

4. Weatherproofing

If your double-glazed windows are difficult to open or are sagging there are methods of fixing them. For instance, you could try oiling the hinges, mechanisms or handles to see if that can help. Another thing that you can try is to replace the gaskets, which can increase the efficiency of your windows, and also stop them letting in draughts and cold air. These are available in a hardware store or online. They are easy to install. You can consult a professional if you don't want to do it yourself.

Condensation between windows is a different issue which can be easily solved. It usually happens due to the seal being damaged that allows moisture to get into the space between the glass panes. This can cause mist to form on the glass, which is both ugly and ineffective.

One way of addressing this is to replace the gaskets, which can be done easily at home by anyone with little DIY experience. Gasket sealers are essential for a good seal, and will help reduce energy bills. Alternatively, you can make use of a calk to fill any cracks in your windows and give them an extra boost in their weatherproofing.

Another common problem with double-glazed windows is that the seals break down. This can be caused by paint being applied to the windows, home renovations, or just general wear and tear. If you discover that your double-glazed windows have become misted it is essential to have them repaired as soon as possible.

Double glazed windows can be an excellent addition to your home, providing 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 instead of repairing them. This could include frames that have broken panes or panes that aren't suitable for double glazing.