Why Misty Double Glazing Is Still Relevant In 2024
Misty Double Glazing - Is It Necessary to Replace Your Windows?
Double glazing condensation can be unattractive, but it does not necessarily mean you should replace your windows. Most often, a new sealed unit is enough.
Double glazing is filled with Argon gas between the two panes of glass which helps to control the temperature and insulation within your home. If it is damaged, it can cause misting windows and a decrease in performance.
Repair
Double glazing is a great windows solution that is energy efficient but when the seals on windows wear out, it allows moisture to enter creating condensation and mist. If this happens, the windows will not perform as they should and your home will lose heat, resulting in higher heating costs. Fortunately, there are a variety of options to fix the issue, including repair and replacement.
Double-glazing's efficiency is rooted in the shape of its two glass panes, separated by a highly efficient thermal spacer bar. The spacer bar, in conjunction with the air or gas inside, creates an insulating barrier to keep warm air in and out colder air. When this setup is not working, and the window panes become cloudy, the glass or seals are usually damaged.
There are a variety of factors that can cause the seal to break, but the most frequent reason is wear and tear. As temperatures drop and rise the seal expands or contracts and places pressure on it until it cracks. This is a common problem with older double-glazed windows but the seal can also fail due to issues with installation or the use of cleaning products.
If you notice that your double-glazed windows are leaking, it is time to seek help. It isn't easy to solve this issue by yourself. Therefore it is essential to find a professional who can replace or restore the sealed unit to improve its performance. Find a contractor that has an excellent reputation and who offers warranties for their work.
A double-glazed window that has mist is often a sign the glass unit or frame itself is damaged. Repair My Windows And Doors may not be economically feasible or cost-effective to replace the entire double-glazed window. However, you can remove the damaged part and replace it, which will stop the build-up of moisture.
There are numerous DIY ways to clean your double-glazed window, however the best option is to replace the windows with new ones. This will restore the window's functionality and eliminate the condensation by reintroducing the proper insulation and sealing.
Replacement
If you have misty double glazing that can only be seen on the inside of your windows, it is likely to be caused by condensation and can usually be repaired by rewetting the panes. However, if the mist is visible both on the outside and inside of your windows, it will most likely be a sign that the seal between the glass units has failed. In this case it is essential to replace the unit.
If your double glazing is still under warranty and was installed by an installer of your choice, they'll fix the issue at no cost to you, depending on the conditions of your window warranty. Replacing the sealed glass units will eliminate the misting and condensation and will also restore their energy efficiency.
In addition to making your home draught-free, replacing the sealed glass units will also make your house warmer, reducing your heating bills. You could even qualify to receive a grant or financial aid to pay for the replacements.
Condensation outside your windows is a normal thing. It means that your double glazing system is operating well and preventing moisture from getting out of the home. If you notice fog on the inside of your windows it is a sure sign that there is a problem with your insulation and a failure in the seals between the glass panes.
Moisture trapped in between your windows will eventually corrode the frames and cause wood rot. In addition, excessive moisture can cause respiratory infections, allergies and asthma. Getting your double glazing repaired or replaced as soon as you see the signs of condensation or misting is therefore crucial for the long-term durability of your windows and the integrity of your property.
Contact GLRE for a free quote and inspection if you have misty windows in your home. We provide a wide range of double-glazing and doors in Hinckley, Leicester, and Nuneaton, including energy-efficient options that will help you save money and reduce the carbon footprint of your home.
You can also do it yourself.
Double glazing that is misty is a very common problem. This occurs when water vapour that is released from the air comes into contact with a cool object, like the glass in your window. This is more noticeable in winter when the temperature drops and humidity rises. It can cause damage to the frame of your window and lead to dampness and mildew that can be both unsightly and unhealthy.
Modern double glazing is made up of two panes sealed together, with a gap between them. A spacer bar that contains a desiccant to absorb moisture is also utilized. The spacer bar is designed to keep cold air from your home and warm air inside, however it can wear down as time passes. This could be due damage to the window frame, bad weather or harsh cleaning chemicals.
If the seal fails, your window won't be able to retain heat and will start to leak. This can make your home feel uncomfortable and can increase your heating bills. This can also impact your home's resale price, because buyers might be swayed by poor quality windows.

Fortunately, replacing your double glazed windows is not as expensive as it might seem. In fact, it can be as low as PS500 for a new unit. The new unit will have the correct insulation and seal which will help lessen condensation issues.
You can also apply a dehumidifying product on your doors and windows to help prevent condensation and misting. These products are available in spray forms and can easily be applied to your windows. The spray will be absorbed to the glass and spacer bar, taking in any moisture that is not needed. This can be done multiple times per day and is one of the cheapest ways to stop condensation from forming on your double-glazed windows. Alternatively, you can put a towel soaked in vinegar between the glass panes to help absorb the moisture.
Warranty
Double glazing that is smudgey could indicate an unsound seal, allowing moisture to enter between the panes. This can affect the insulation of your home and could also cause mildew or mold. This issue can be prevented by having your windows repaired as soon as you can. Depending on the circumstances and the age of your windows, you might require replacing the window completely, but a professional can assess the situation and suggest the most appropriate option for you.
If you've had your windows installed within the past few years and are still within warranty, it's worth giving the installers a call to inform them of the issue. The installers will often be in a position to fix the issue at no cost to you. It is also important to review the terms and conditions for your warranty to confirm that it covers any necessary repairs or replacements.
The most common reason that double glazed windows to become misty is that the desiccant (usually silica beads) in the spacer bar between the two glass panes becomes saturated and does not absorb moisture. This can be caused by wear and tear or simply because of changing temperatures, when one side of the window is warmer than the other and condensation develops between the glass.
There are many methods to get rid of condensation from double-glazed windows, including placing a towel soaked in vinegar between the glass panes overnight. But, this is only an interim solution and the windows will eventually start to fog again as the humidity in the room increases.
A dehumidifying spray that is specifically designed for double-glazed windows and doors is a second quick fix. These products are available in the form of a spray that can be applied to both sides of the window. Keep in mind that condensation is more than an inconvenience. It can trigger a variety of problems if not treated such as water damage, mould growth, reduced energy efficiency, and even increased heat loss.