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11 "Faux Pas" That Are Actually Okay To Use With Your Repair Double Glazing
Why You Should Hire a Glazier to Repair Double Glazing Seals

When window seals break they can result in increased energy bills and foggy windows. Leaving the problem unattended will only make it worse, so hiring a professional glazier to fix the broken seals is a smart choice.

Window seals play an essential part in the insulation benefits double glazing can provide. Fortunately, they're easy to fix and could save you money in the long run.

Remove the Old Seal

The seals may break due to various reasons. They can be damaged by improper installation, or they may become broken in the course of time due to normal wear and wear and tear. Although it is impossible to completely prevent a window seal from breaking, taking some precautions can help make sure that the issue is less likely to occur. Avoiding cleaning your windows with power, for example, can lower the chance of damage from high water pressure. You should also check that the window manufacturer does not recommend the use of reflective window films on their windows since they could damage the window seal.

The most frequent indication of a damaged seal in double-glazed windows is the appearance of condensation between the two panes. This happens when the inert gas that is used to insulate like argon or Krypton that was vacuum sealed between the two panes of glass is released. Once this occurs, the window will no longer be able to keep cold and moisture out of your home.

Repairing a window seal that is damaged is simple. You can purchase a replacement wedge gasket seal from any hardware store and it should be installed easily in your uPVC windows. If you're worried that you won't be able to install the new seal correctly you can spray water on the exterior of the window frame to help in lubricating the process.

It is important to check the grooves of your window frame prior to installing the new seal. These could be melting pieces of uPVC that are often left behind from previous repair attempts. You can use a chisel take away these areas before you start the repair. This will ensure that your new seal is properly fitted into your window frame.


While it is possible to repair a damaged uPVC window seal yourself, it's often best to leave this task to the experts. A professional glazier has the experience and tools to finish the job quickly and efficiently, while ensuring the least risk of damaging your uPVC windows.

Clean the Surface

If double-glazed windows are properly installed and maintained, they provide excellent insulation and reduce noise pollution. However, a window seal that is broken can let in air and moisture that can lead to numerous issues like condensation. The presence of moisture on the inside of the glass pane is not just unsightly, but it could cause mould to form and cause damage to the frame, making it necessary for professional repair. Other indicators of a faulty sealing include a draft that could be uncomfortable and costly to heat, or a distortion in glass which could affect light transmission and impact on the view.

The good aspect is that double-glazing windows are relatively simple to fix, especially when the issue is identified early. Although it is possible to do the work yourself, a professional is usually recommended as they have the expertise and access to top-quality materials that will last for a long time.

To get the job started it is essential to get rid of any existing silicone sealant to begin the process. This can be accomplished by carefully scraping away the old material with a sharp blade. After this, the surface should be thoroughly cleaned to get rid of any dirt and debris that might have been accumulating. After cleaning the surface, the next step would be to reseal the windows.

Before sealing again, remove the bottom pane and flip it upside down so that the side of the glass that was originally on the inside of the sealed unit is facing upwards. The surface should be thoroughly cleaned with dry, clean cloth.

Drilling holes into windows with double glazing is not an ideal idea. However, to save money and avoid the necessity of an emergency call-out to the emergency services, you can drill a small hole to insert an desiccate bag which will absorb any moisture between the two panes of glass. The hole can be cleaned with ruby alcohol (isopropyl) to prevent the growth of mould.

Double-glazed windows are designed to last, but they can fail at times. Many people require repairs to their double glazing. Most commonly window seals fail when there is condensation between the glass panes or if there are drafts.

Apply for a New Seal

Whether you've recently moved into a new home or just have your double-glazed windows installed, window seals play a important role in ensuring an airtight and efficient glass-to-frame connection. Over time, seals can become damaged due to weather conditions and other external factors. It's important to replace damaged seals as quickly as possible. This will stop water from getting in between the glass panes which could cause condensation, a decrease in energy efficiency, or even water damage to your property.

You should choose a day that is not soaked with rain to accomplish this task. It's going to be a time when you have the window open, and you don't need much rainwater to get into your home. This could damage the new seals. Additionally, if you need to employ power tools to take off the old window seals, ensure that you wear eye protection since it's easy to catch dust or other debris into your eyes.

After you've removed the old seal, you need to clean the surface prior applying a new one. Utilizing a utility knife or putty knife, clean any remaining residues from the area and then apply a new coating of silicone caulking in order to reseal the gap. Make sure you apply a small amount of the product to the outside of the frame too as it will help create a waterproof and airtight seal around the glass.

It's also recommended to paint the exterior of your window frames since it will help shield them from the elements. This is a great way to maintain the integrity of your window, especially in hot weather.

You can seal the windows yourself, however when the issue is serious, it is recommended to call an experienced company that specializes in window sealing. This means you can be assured that the new seals are installed correctly, ensuring that your windows remain secure and efficient in energy use.

Allow the Seal to heal

Double-glazed windows are an excellent choice for homeowners because it guards against the elements, holds heat generated by your heating system within and blocks sunlight from entering. It can only do so if the window seal is properly installed. double glazing repairs failed seal can cause condensation and mist to form between glass panes. It can also cause energy loss, draughts and even security concerns. It is crucial to address a damaged seal as soon as you can to avoid damage to the window as well as your home.

You can test your window seal by feeling for draughts or cold around the frame's corners. If you can feel it, then the gasket has sunk and is no longer forming a seal. You can also check for misting or condensation between the glass panes in your double-glazed windows. Both of these issues are caused by a breach in the double glazed window seal, which lets moisture into the area and reduces its insulation properties.

There are kits to reseal the double glazing seals if you are a DIY-er. These kits typically require drilling a small opening into the window and then cleaning it using a magnet. They then insert drying pellets which eventually disappear, and plug the hole with 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.

It is important to let the sealant dry completely before using it, whether you fixed your window seals on your own or hired an expert. It can take a few days or even several weeks to cure the sealant so you must wait until that time to open the window. It is important to clean windows that have recently been sealed with diligence. To protect it from scratches or stains you can put an old towel on the surface to work on.

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