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10 Facts About Repair Double Glazing That Will Instantly Set You In A Positive Mood
Why You Should Hire a Glazier to Repair Double Glazing Seals

If window seals fail, it can lead to more energy bills and windows that are foggy. Hiring a professional to repair the damaged seals can prevent the issue from getting worse.

Window seals play an essential role in the insulative benefit double glazing can provide. Fortunately, they're easy to fix and can save you money over the long haul.

Remove the Old Seal

Window seals can break due to a variety of reasons. They may be damaged due to inadequate installation or break over the years from normal wear and tear. While it's impossible to completely stop a window seal from breaking, taking some precautions can help ensure that the issue is less likely to occur. Avoiding the power washing of your windows for instance, can reduce the risk of damage from high water pressure. Also, make sure that the window manufacturer does not advise the use of reflective window films on their windows as they could damage the window seal.

In the case of double glazed windows, the most typical indication that the seal has broken is the appearance of condensation between the two glass panes. This happens when the insulating inert gas such as argon or krypton that was vacuum sealed between the two panes of glass is released. After this happens, the window is not able to keep cold air and moisture out of the house.


The good news is that fixing a damaged window seal is a simple. A new wedge gasket seal can be purchased at any hardware store. It should be simple to install on your uPVC window. If you're concerned that you won't be able to install the new seal correctly spray water on the window's frame to aid in lubricating it.

Before you begin installing the new seal, it is important to make sure there aren't any obstructions within the grooves of your window frame. These could be melting pieces of uPVC that are left behind from previous repair attempts. You can use a chisel chip away these areas before you start the repair. This will ensure that your new rubber seal fits properly into the window frame.

It is possible to repair a broken uPVC seal by yourself, but it's best to leave it to experts. A professional glazier is equipped with the tools and experience to finish the job quickly and with minimum risk to your uPVC window.

Clean the Surface

Double glazing windows can help reduce noise pollution if they are installed and maintained properly. However, a window seal that is damaged can let in air and moisture that can lead to a number of problems like condensation. Moisture on the inside of a glass pane is not only unattractive, but it can cause mould to form and damage the frame, making it necessary for professional repair. Other signs of a damaged sealing include a draft that can be uncomfortable and expensive to heat or glass distortion that could affect light transmission and impact on the view.

The good thing is that double glazed windows are relatively easy to fix, particularly when the issue is identified early. While it is possible to complete this work yourself but a professional is recommended as they have the knowledge and access to the materials that will give long-lasting results.

To begin the process, it's important to remove any silicone sealant in use that is removed by carefully scraping off the old material using a sharp blade. After removing any sealant that was previously used the surface needs to be thoroughly cleaned. Once the surface is clean the next step is to re-seal the window.

Before sealing the unit again, turn the bottom pane upside down so the glass face that was inside the sealed unit is facing upwards. Thoroughly clean this surface with an uncluttered cloth, and then dry it so that no water marks remain.

Drilling holes into windows that are double-glazed is usually not a good idea however, when it's about saving money and preventing the necessity of a professional call out, a tiny hole in the seal could be used to put in a desiccate packet that will absorb any moisture that might have built up between the two glass panes. The hole can then be cleaned using rubbing alcohol (isopropyl) to stop the growth of mould.

Double-glazed windows are made to last, however they do sometimes break down. A lot of people require repairs to their double glazing. The most common indications that seals have failed are drafts, condensation, and a blurred appearance between the glass panes.

Apply for a New Seal

Window seals are crucial to ensure a secure and energy-efficient glass-to-frame connection, whether you have recently moved into your new home or just installed double-glazed windows. As time passes the seals may break down due to aging and external influences like weather. It is essential to replace damaged seals as soon as you can. This will stop moisture from leaking between the glass panes, which could cause condensation, energy loss, and even damage to your home.

It is best to pick a day with low rainfall during the time you're doing this work. You'll be working with the window open, so you don't want large amounts of rainwater to flow into your home and possibly causing damage to the new seals. Also, if you're going to use power tools to remove the old window seals be sure to wear protective eyewear as it's easy to collect dust or other debris in your eyes.

After you've removed the old seal, it's crucial to clean the surface before applying a new seal. Clean the area with a putty or utility knife and apply a new coating of silicone caulking. Apply a globule of caulking to 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 it will help protect them from the elements. Particularly in hot weather, it's common for seals to develop damp spots or even cracks, so this is a great way to maintain the integrity of your window.

While you can reseal your windows on your own but if the issue is severe, it's recommended you get an expert window company to do the work on your behalf. This way, you can be certain that the new seals will be installed correctly, ensuring that your windows remain secure and energy efficient.

Allow the Seal to Cure

Double-glazed windows are an excellent choice for homeowners as it guards against the weather, keeps the heat produced by your heating system in and stops sunlight from getting out. However, double glazing repair can only do this if the window has been sealed correctly. A broken window seal can cause condensation and mist between the glass panes, loss of energy as well as draughts, and even security issues. To ensure that your window isn't damaged and home, it is essential to repair a damaged seal right away.

One of the most effective methods to determine if the window seal is failing is to feel for draughts or cold air coming into the corners of the frame. If you feel it, the gasket is sagging and is no longer making an airtight seal. You can also check for misting or condensation between the glass panes of your double-glazed windows. Both of these issues result from a leak in the double-glazed window seal. This allows moisture to enter that section, compromising its insulation properties.

If you're a fervent DIYer, there are a variety of DIY kits for resealing double glazing seals. They usually involve drilling a small hole through the window, cleaning the inside using an instrument that is magnetic, then inserting drying pellets which eventually disappear, and then plugging the hole using clear cement. 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 essential to let the sealant dry completely before using it, whether you repaired your window seals by yourself or hired an expert. It could take up to a couple of days to several weeks for the sealant to fully cure, so it is best to wait until then to open the window once again. A window that's been sealed should be treated with care and attention It's best to lay an old duvet or towel on the work surface to shield it from stains and scratches.

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