Repair Double Glazing: A Simple Definition

· 6 min read
Repair Double Glazing: A Simple Definition

Why You Should Hire a Glazier to Repair Double Glazing Seals

When window seals are damaged, it can lead to increased energy bills and foggy windows. Leaving the problem unattended will only make it worse and hiring an expert glazier to fix the broken seals is a smart move.

Window seals play a crucial role in the insulative benefit double glazing can provide. They are easy to repair and could save you money in the end.

Remove the Old Seal

The seals can break for numerous reasons. They may be damaged due to improper installation or become broken over the years from normal wear and tear. While it's not possible to completely stop the window seal from breaking, taking a few precautions can ensure that the problem is less likely to occur. Avoiding power washing your windows, for example, can reduce the risk of damage from high water pressure. You should also check that the window manufacturer doesn't recommend the use of reflective window films on their windows as these can damage the window 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 is caused when the insulating inert gas like argon or krypton that was vacuum sealed between the two panes of glass is released. Once this occurs, the window will be not able to keep moisture and cold air from entering the home.

Fortunately, repairing a faulty window seal is quite simple. You can buy a new wedge gasket seal from any hardware store and it will be easily installed in your uPVC windows. If you're concerned that you won’t be able install the new seal properly, spray water on the window's frame to help lubricate it.

It is important to check the grooves of your window frame prior to installing the new seal. This could include melting uPVC pieces that are typically left over from previous repairs. You can remove these areas with an axe before beginning to make sure that the new rubber seal will fit properly in the window frame.

It is possible to repair an infected uPVC seal yourself, but it's best to leave the job to experts. A professional glazier has the equipment and skills to finish the job quickly and with the least amount of risk to your uPVC window.

Clean the Surface


When double glazing windows are properly fitted and maintained, they offer excellent insulation and can reduce noise pollution. A broken window seal can let moisture and air be able to enter, which could cause a variety of problems such as condensation. The condensation inside a glass pane can be unattractive however it can also cause mould to grow and damage the frame. Professional repair is needed. Other signs of a failed sealing include a draft that may be uncomfortable and expensive to heat, or glass distortion which can alter light transmission and impact on the view.

Double glazing windows can be repaired easily, especially if you catch the problem early. While it's possible to do the work yourself, a professional is usually recommended as they have the experience and access to high-quality materials that will last for a long time.

To begin, you will have to take off any silicone sealant already on the surface. This can be accomplished using a sharp knife. After this, the surface should be thoroughly cleaned to remove any dirt or debris that may have been accumulating. After cleaning the surface the next step would be to seal the windows.

Before sealing the unit first, turn the bottom pane upside down, so that the glass face that was inside the sealed unit faces upwards. Clean the surface thoroughly with a clean cloth and then dry it so that there aren't any water marks.

Drilling holes into windows with double glazing is generally not a good idea but when it's a matter of saving money and preventing the need for a call from a professional out A small hole in the seal could be used to insert an insulating packet that will absorb any moisture that may have built up between the two glass panes. The hole could then be cleaned using ruby alcohol (isopropyl) to stop the build-up of mould.

Double-glazed windows are made to last, but they do sometimes break down. Many people require repairs to double glazing. The majority of the time windows fail to seal when there is condensation between the glass panes, or if there are drafts.

Apply  double glazing repair near me

If you've recently moved into a home or just had your double-glazed windows installed window seals play a significant role in maintaining an airtight and efficient glass-to-frame connection. As time passes, seals may be damaged due to the weather or other external elements. If the seals are damaged, it's important to make the necessary steps to repair them as soon as you can. This will stop moisture from getting between the glass panes which can cause condensation, energy loss, and even damage to your home.

It is best to pick a day when there is little rain to complete this task. You will be working with the window open, and you do not require much rainwater to get into your home. This could harm the new seals. Wear protective eyewear if you're using power tools to remove old window seals. It's easy to get dust or debris in your eyes.

It is essential 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 all residues off the surface and then apply a new layer of silicone caulking to seal the gap. Add a globule to the frame's exterior as well. This will create an airtight seal and a waterproof seal around the glass.

It's also a good idea to paint the exterior of your window frames, as it will help shield them from the elements. Particularly in hot weather, it's normal for seals to form damp spots or even cracks, so this is an extra step to help maintain the quality of your window.

While you can reseal your windows yourself but if the issue is severe, it's recommended you get an experienced window company to complete the work on your behalf. You can be sure that the new seals are properly installed, ensuring that your windows remain energy efficient and secure.

Allow the Seal to Cure

A double glazed window is a good choice for homeowners because it guards against the elements, holds heat generated by your heating system inside and prevents sunlight from escaping. But, it is able to accomplish this if the window has been sealed properly. A broken seal can cause condensation and mist to form between the glass panes. It could cause energy loss, draughts, and even security issues. To prevent damage to your window and your home, it is essential to repair a damaged seal as soon as possible.

One of the easiest methods to determine if your window seal has failed is to feel for draughts or cold coming in around the frame's corners. If you feel this then the gasket has become flat and is not making an airtight seal. You can also check for misting or condensation between the glass panes of the double-glazed windows you have. Both of these issues result from a leak in the double-glazed window seal. This allows moisture to enter the section, causing damage to its insulation properties.

There are kits to reseal the double glazing seals if you are a DIY enthusiast. They usually require drilling a small hole into the window, cleaning the inside using the help of a magnetic tool, then inserting drying pellets that will eventually disappear and plugging the hole with 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.

Whether you have tried to repair your window seals yourself or have hired an expert company it is essential to allow the new seal to dry prior to use. It can take a few days or even several weeks to cure the sealant, so you should wait until then to open the window. A window that's been sealed will need to be treated with care and care and it's a good idea to lay an old duvet or towel on the work surface to shield it from stains and scratches.