Double Glazing Condensation Repair Kit
Double glazing can add warmth and help reduce noise pollution. When a mist or condensate forms between the glass panels it's a sign that the seal is failing.
You can fix it by drilling a small opening and injecting or pumping a special dry agent into the sealed unit. This dries out the glass's insides and also applies an antifogging coating to stop further accumulation of moisture.
Replacement Gaskets

Over time, everything degrades. This includes uPVC window gaskets. It is not unusual to see them lose their integrity and when this happens they will no longer be able keep out moisture and air which results in condensation between the glass panes of your double glazing windows.
There is a solution to this however which does not require you to replace your IGUs or pay for brand new windows. Replacement gaskets can be used to restore the airtight seal that was originally created between your double-glazed windows. The kit is supplied with everything you need to complete the job yourself, including clear instructions as well as an instructional video. The replacement gaskets are also more affordable than having the IGUs resealed and will save your money on heating costs.
It is important to keep in mind that this method will only work on windows with gas between the glass panes. It is not suitable for sealed units that do not have a gas like those found in orangeries or conservatories. This is a temporary solution and fogginess may return unless you fix the original insulating gas loss that caused it.
This method involves drilling a small hole in the IGU (Insulated Glass Unit) which is then filled with an anti-fogging agent to make the glass dry. It is a method that works but a professional should perform this kind of repair, as it's recommended not to attempt to do it yourself.
Defogging is not a permanent fix for foggy double glazing and in fact, it can even be risky to attempt particularly if the windows are reinforced or safety glass. When exposed to sunlight, the chemical compounds in the desiccants will melt into the glass, causing an appearance of cloudiness. This is called letching.
Make sure you ask the company that installed your double glazing whether they provide any guarantees, and if they are insurance backed, in the past, smaller firms have been known to close their doors, leaving their guarantees in jeopardy. If the guarantee is supported by insurance, any defective units should be replaced at no cost.
Replacement Glass
Double glazing is a preferred choice for many homeowners because it reduces energy costs as well as aids in noise reduction, offers UV protection and adds curb appeal. However, over time, it can become damaged and cause misting between window panes. This is a frequent issue and it's essential to address the issue early, since it can affect your home in a variety of ways and can make your windows less efficient, increasing the risk of leaks, and causing higher maintenance expenses.
It is possible to fix double glazing that has failed, without having to replace both the frame and the window unit. The majority of window glass replacement companies sell a range of standard and toughened glass units designed for use in existing frames. The process is simple and involves taking out the old window unit and cleaning the frame, then replacing it with a new one. Once the unit is installed, a new seal will be installed and putty is used around the edges of the unit to hold it in place.
Professionals can usually do this work at a reasonable rate. However, there are also DIY alternatives for homeowners to follow that could save you a significant amount of money. Based on the condition of your windows and whether they're covered by warranty, it's a good idea to contact the company or dealer who sold them to see whether this work is covered under the warranty you have purchased.
If your windows aren't within warranty, you should think about purchasing a new set of double glazing to get rid of any issues that might occur. If Dartford double glazing repair decide to replace your old windows with new ones, make sure that the installer uses high-quality frames and glass to ensure maximum efficiency and durability.
If you're planning to replace your windows, it's vital that you get a free estimate for the entire task. This will allow you to determine the cost of each option and ensure you're getting a fair price. In addition to the price of windows, you should take into account the costs of labour and any installation costs that could be incurred by your project.
Dehumidifier
Using a dehumidifier to clear condensation build-up on double-glazing windows is a good idea to fix the problem quickly. These appliances help reduce humidity and are typically used in bathrooms and kitchens. You can also buy moisture absorbers which are used together with space heaters to dehumidify the house. These are cheaper than a dehumidifier however they do not provide the same results.
Be aware that this is an in-between solution to clean the rubber seals on your double-glazed windows. These seals are not a part of the glass, therefore using rough materials such as wire wool or scouring brushes could cause damage and scratch marks. If you have window frames, it is recommended to select the same cloth to match their color so as to not leave marks behind.
Condensation in double-glazed windows is not just ugly but it could also indicate that the gaskets or seals are becoming weak. This means that your windows are no longer capable of retaining the gases that provide insulation between the panes. This can lead to the loss of energy efficiency.
This type of condensation occurs when cold air is in contact with warm humid air. This can lead to the growth of mould spores on windows, which not only makes them look ugly, but may cause breathing and health issues.
It is best to contact a professional if you notice the growth of black mould spores on the frames of your double-glazed windows. They can clean and eliminate the spores of mould safely and prevent the spread to other areas of your home.
If you've got an issue with the seal it is recommended to check with the company who installed your double-glazed windows to see if they offer repair services for free or at a discounted price. The company will to provide you with the details needed to determine whether your windows are still covered by warranty and if you can claim the cost of replacement.
DIY Ideas
Double glazing is a worthy investment for your home as it can help block out noise, increase efficiency in energy usage and reduce loss of heat. It is very easy for mist and condensed glass to ruin the sleek aesthetic of your home. It can be expensive to repair.
Foggy windows can happen to any kind of double glazing when the seal between the two panes fails. This is usually caused by damage due to weathering or cleaning, and can be hard to identify without removing the window. However there are some things you can try before calling an expert to solve the problem.
A popular DIY solution is to place a dehumidifier in the window and use it to help remove moisture that has built in between the panes. This is especially effective in dry climates and can be a less expensive option than replacing the frame and glass.
You can also add desiccant between the double glazing panes. It's available at a lot of hardware shops. It is an excellent idea to fill the gaps between the frames. This will help prevent future condensation and dirt from getting trapped between the panes.
Another option is to make tiny holes in the top and the bottom of your window with a carbide-tipped drill. Then, you can use a tube that runs from the upper hole to the lower one and this allows you to apply de-icing products or cleaning solutions to your window. After the air has been ejected and you are able to clean your windows again.
Some companies provide a permanent solution, by drilling into the double glazing outer panes and then inserting air breathable plugs. Do your research before investing. They have a solid track history, however their performance isn't always predictable. You may be able to locate this kind of kit online, but it's best to seek out the guidance of a professional if possible to ensure the job is done correctly and quickly.