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What To Focus On When Improving Repair Double Glazing
Why You Should Hire a Glazier to Repair Double Glazing Seals

When window seals fail, they can lead to higher energy bills and foggy glass. Hiring a professional to repair the damaged seals will stop the issue from getting worse.

Window seals play an essential part in the insulation benefits double glazing can provide. They're easy-to-repair and could save you money in the end.

Remove the Old Seal

The seals can break for various reasons. They can be damaged by improper installation, or be damaged in the course of time due to normal wear and tear. While it's impossible to completely prevent a window seal from breaking, taking some precautions can help ensure that the problem is less likely to occur. For instance, avoiding the power wash on your windows will reduce the chance of damage that is caused by high pressure water. Check that the manufacturer of windows doesn't recommend using reflective window films since they could damage the seal.

In the case of double-glazed windows, the most common sign that the seal has broken is the appearance of condensation between the two panes of glass. This happens because the inert gas that is used to insulate like argon or Krypton that was vacuum sealed between the two glass panes of the window has escaped. When this happens the window will no longer be capable of keeping cold and moisture from your home.

It is good to know that repairing a broken window seal is not difficult. A new wedge gasket seal is available at any hardware store. It should be easy to install on your uPVC window. If you're concerned that you won't be able to install the new seal properly, spray water on the frame of the window to help lubricate it.

Before you begin installing the new seal, it is important to ensure that there aren't any obstructions in the grooves of your window frame. These can include melting pieces of uPVC that are left behind from previous repair attempts. double glazing repairs can chip away these areas with an axe before beginning to make sure that the new seal will be a good fit in the window frame.

It is possible to repair a broken uPVC seal by yourself however it's better to leave it to the experts. A professional glazier has the experience and tools to complete this job quickly and efficiently, while ensuring the least risk of damaging your uPVC windows.

Clean the Surface

When double glazing windows are properly fitted and maintained, they offer excellent insulation and reduce noise pollution. However, a window seal that is damaged can let in moisture and air that could cause numerous issues, such as condensation. Moisture inside the glass pane isn't just unsightly, but it could cause mould to develop and damage the frame making it necessary for professional repair. Other indicators of a damaged seal include a draft, which can be uncomfortable and expensive to heat or a distortion of the glass, which can alter light transmission and affect the view.

The good aspect is that double-glazing windows are fairly simple to fix, particularly when the issue is identified early. While it is possible to complete the work yourself, a professional is generally recommended since they have the experience and access to high-quality products that can give long-lasting results.

In the beginning, you'll need to remove any silicone sealant that is already present. This can be done using a sharp knife. After that, the surface should be thoroughly cleaned to remove any dirt or debris that might have been accumulating. After cleaning the surface, the next step would be to reseal the windows.

Before re-sealing, take the bottom pane and turn it upside down so that the face of the glass that was on the inside of the sealed unit is facing upwards. The surface should be thoroughly cleaned using a clean, dry cloth.

Drilling holes in a double-glazed glass window is not an ideal option. However, to save money and avoid the necessity of an emergency call-out to the emergency services, you can drill small holes to insert a desiccate pack that will absorb any moisture between the two glass panes. The hole can be cleaned with ruby alcohol to stop mold from forming.

Double-glazed windows are designed to last, but they can fail at times. A lot of people require a double glazing repair. Most often, window seals fail when there is condensation between the glass panes, or if there are drafts.

Apply a New Seal

If you've recently moved into your new home or have just had your double-glazed windows installed window seals play a significant role in maintaining an airtight and energy efficient glass-to-frame connection. Over time, however, the seals can fail due to aging and external influences like weather. It is crucial to replace damaged seals as quickly as you can. This will prevent moisture from getting between the glass panes, which could cause condensation, energy loss, and even damage to your home.


It is recommended to pick the day that has a lower chance of rain while you're performing this task. You will be working with the window open, and you don't need a lot of rainwater to seep into your home. This could damage the new seals. Wear eye protection when working with power tools to remove old window seals. It's easy to get debris or dust in your eyes.

It's important to thoroughly clean the surface after removal of the old seal prior to applying the new one. Utilizing a utility knife or putty knife, clear any remaining residues from the area and then apply a new layer of silicone caulking to seal the gap. Add a globule on the frame's exterior as well. This will help to create an airtight seal as well as a waterproof seal around the glass.

It's also a good idea to paint the exterior of your window frames as this will help to keep them safe from the elements. Particularly during hot weather, it's common for seals to develop damp spots or even cracks and this is a great way to ensure the quality of your window.

Although you can seal your windows on your own however, if the issue is severe, it's recommended you seek out an experienced window company to complete the work on your behalf. This means you can be certain that the new seals are installed correctly, ensuring that your windows remain secure and efficient in energy use.

Let the Seal heal

Double-glazed windows are a good choice for homeowners since it protects against the elements, keeps the heat produced by your heating system within and blocks sunlight from entering. However, it can only do this if it is sealed correctly. A damaged window seal could result in condensation and mist between the glass panes, energy loss as well as draughts, and even security issues. It is therefore crucial to address a damaged seal as soon as you can to avoid damage to the window as well as your home.

One of the easiest methods to determine if your window seal is failing is to feel for draughts or cold air coming into the frame's corners. If you feel it, then the gasket is sagging and is no longer forming a seal. Another method to determine this is to look for signs of misting and condensation between the glass panes of double-glazed windows. Both of these issues are caused by a breach in the seal of the double glazed window which allows moisture into the area and reduces its insulation capabilities.

There are kits for resealing the double glazing seals for those who are a DIY enthusiast. These kits typically require drilling a small hole into the window and cleaning it with a magnet. They then insert drying pellets which disappear and then seal the hole using clear concrete. However, while these kits do have a good track record of providing quick results, they do tend to need doing more often than professionally-installed windows and they don't always provide a lasting solution.

Whether you have tried to repair your window seals on your own or have hired a professional service, it is crucial that you allow the new seal to dry before use. It can take anywhere from a few days to several weeks for the sealant to fully cure, so it is recommended to wait until the time is right to open the window again. It is essential to treat windows that have recently been sealed with attention. To shield it from scratches or stains it is best to lay an old towel on the work surface.

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