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Why Double Glazed Window Repair Is Your Next Big Obsession
Why You Should Leave Double Glazed Window Repair to the Experts

If your double glazed windows are difficult to open or are sagging, it's usually best to get this repaired by an expert. Professionals can also offer a warranty on their work, which you might not be able to get if you fix it yourself.

Begin by removing the beads. The lower sash should be pulled towards you and then remove any chain or cords.

Damaged Glass

While double-glazed windows are less resistant to damage, the frames and seals still need to be maintained. Repair any tiny cracks, chips or dents that might appear on your window. They could weaken the overall structure. Double-glazed windows are a complex system made up of insulated glass as well as window frames that are joined through pressure and heat to create an inter-lay of plastic, so repairs should be left to professionals.

Cracks in your windows can be caused by a temperature shift however they can also indicate a faulty seal or a poorly installed. You may be able to repair superficial cracks with strong tape, however more severe cracks will need to be replaced entirely.

If you have a cracked window, you must first clean the area around and over the crack using water and soap to get rid of any dirt that might hinder the repair process. Mix your epoxy according the manufacturer's instructions and smooth the crack using a putty blade. It should dry completely before you open your window.

Misting is a typical issue that is caused when the seals between the window panes fail. This could be a huge problem for homeowners, as it can affect the thermal efficiency of your home and lead to condensation and mould. Moisture that forms between your windows can cause the timber molding to rot or rust and even leave black stains on metal sills. It could also be harmful to your health as breathing in moisture spores over long periods of time can irritate your respiratory tract.

Most common signs of a failing seal are fogging and condensation on the glass's surface on either side. This is typically a sign of an issue with the edge seal that secures each pane of glass. If this continues and the panes eventually break, they could break apart.

A professional will drill holes in your double-glazed window to allow the trapped moisture to escape. Once the moisture is gone, an anti-fog treatment can be used to stop the condensation from returning.

Condensation

The first sign that your seal isn't working is condensation appearing on your double-glazed windows. Condensation that is visible indicates that the glass panes trap the water vapour that escapes from the air. This excess moisture can cause dampness around your home and also in furniture, carpets, and even in walls. It can also be harmful to your health. There are several methods to reduce visible condensate. These include the reduction of humidity levels, promoting air flow, and using the trickle vents inside your windows to allow humidity to escape from the home.

Failure to maintain your frame and window properly is another common cause of condensation. Cleaning the frame and window regularly, removing any dirt, and lubricating any stiff handles or locking mechanisms is essential. In addition, it is essential to ensure that you have a high-quality double-glazed window that is installed by a reputable company. This will help to avoid any future seal issues and make sure that your windows are warrantied for a period of 15 to 20 years, giving you peace of mind that your investment in a high-quality double-glazed window is protected.

If you notice that there is water between your window frames, it could be a sign the seal is broken. You should seek the advice of an expert as soon as you can. If the seal is not working properly, it can lead to damp and mould in your property. This can also affect the insulation of your double-glazed windows. In extreme cases the window may have to be replaced. A professional can reseal the window and allow you to keep the old frames.

Double glazing that is functioning correctly will create condensation on the outside of the window. As the glass warms up, the moisture will evaporate. There are many cleaning products that can be used to get rid of the build-up quickly and easily if are concerned about its appearance. You can also open your windows to create more airflow and stop the build-up from coming back.

Foggy Glass

A broken seal is the most frequent reason for foggy windows that have double glazing. This is referred to as a "sealed unit failure and a replacement window is required to resolve the problem. upvc repairs between the glass panes holds air and creates an insulating gap that assists in keeping cool and hot air inside the room, and also prevents moisture from entering the home. As the seal ages, it may weaken and cause condensation between the glass panes.

In some cases the seal is able to be repaired. If you spot any problems, it's important that you contact the company which sold you the double-glazing. The best method to do this is in writing, via email or letter rather than via text or phone. You can then be certain that your complaint will be documented and covered under any warranty or guarantee.

Before replacing your windows, consider several different options if the problem is just condensation between the glass. One solution is to install a dehumidifier in the room in which the windows are located. This will help remove excess moisture, but it will not solve the issue as the humidity will get into the sealed unit, causing further fog and condensation.

Another option is to place a plug into the window and then drill it. This will create an airtight seal. While this will solve the immediate problem but it's not a long-term solution and could lead to more problems with draughts and leaks in other parts of your home.

In the majority of cases, replacing your double glazed windows is the most effective option. A professional can ensure an excellent installation that will last for many years and reduce the energy use. It's also the most efficient method to ensure that your windows continue to provide high-quality insulation and protect against harmful UV radiation that can damage carpets and fabrics, paintings, and furniture. This is especially important when you live in a sun-drenched area.

Misted Glass

When the glass in your double glazed window appears misty or foggy this is usually caused by condensation between the two panes. To ensure that your windows function as they should be, it is essential to have them repaired and cleaned regularly. The seals between your window panes can be damaged and allow air to enter which reduces the insulation qualities of your windows. This could cause higher energy bills.


Condensation in double-glazed windows is not an issue, but it can be repaired with a little care. Condensation occurs when warm air comes into contact with cold surfaces and is then cooled below the water vapour dew point, which happens naturally in your home. It's because double-glazed windows are well-insulated, and the air inside is warmer than that outside.

There are a variety of reasons for water to get on your windows. These include:

In the event of poor installation, over time the seals between your windows may wear down and allow water to get in.

Extreme temperature fluctuations - when you turn up the temperature in winter or turn on the air cooling in summer, extreme temperatures could cause water to build up.

Water leaks - if you have a leaking roof or plumbing water, moisture could build up and cause your double glazing to fog.

Cleaning - If you regularly clean your windows using cleaners, you should not have any issues with condensation or moisture. Make sure you use the correct cleaner to be used on double-glazed windows, and be sure to clean your windows thoroughly prior to applying the cleaner.

Although it can be tempting to try DIY solutions for double-glazed windows, the most effective way to keep out moisture and condensation is through regular maintenance and high-quality replacement sealed units. It is worth speaking with the installers when your double-glazed windows are still covered by warranty. They may be able fix the issue for free subject to the warranty terms. If your windows have expired their warranty and are no longer warranted, it might be worth purchasing new windows in order to avoid future expenses.

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