How to Spot Blown Double Glazing Repairs
No matter how new your double glazing may be, it's not impervious to damage. It's susceptible to breaking, and once it does you must fix it as quickly as you can.
Double-glazed windows that fog are a sign of failure. It means that the seal between the two panes has failed, which results in a window that is no longer as effective at insulating.

Damaged Seals
When a window seal fails moisture can get inside the glass panes, causing condensation or fogging. This can affect how well windows are insulated, and could result in higher energy bills as you will need to use more heating or cooling. Also, windows that aren't clear can make it hard to enjoy the view out, and can reduce the aesthetics of your house.
If you discover that your double glazing has any of these problems It is essential to contact an expert who can repair or replace the seals. If you do this you can save money and increase the comfort and efficiency of your home.
Having a faulty window seal will increase the amount moisture in your home, which leads to the formation of black mould and other issues that could pose health hazards. Moisture can also damage the frames of your windows and lead to rot or warping. Cleaning your windows regularly will aid in preventing this.
The reason for double glazing was to help homeowners save on energy costs by better insulating their homes. Insulated glass is two panes of glass that are bonded with spacers and filled with inert gases like xenon or argon to limit heat transfer. When a window seal fails the entire insulating gas is released, making windows less efficient at conserving energy.
A window seal that is damaged can cause many issues such as a decrease in energy efficiency, leaks of water and less security. To avoid problems like these it is essential to replace the seals immediately if they become damaged. A glazier is able to replace the seals quickly and efficiently and ensure that your double-glazing is in good working order.
Certain glazed windows come with a warranty which covers the cost to replace the window seals in the event they become damaged. Contact your glazier to determine their policy regarding this, and also how long the warranty lasts. If you have an assurance, you must contact them as soon you notice any signs that your window seal is not working.
Panes damaged Panes
If your double-glazed windows begin to fog up or mist it is a sign of a failed seal between the two panes. This can be caused by various factors. Some of the main causes are:
A broken windowpane seal - this can occur due to accidental damage or wear and tear. In most cases, this can be repaired by simply replacing the damaged pane of glass.
Incorrect installation - If the double glazing is installed incorrectly, it can cause immediate issues. This is particularly when the installers used the wrong sealant. If you notice this, it's recommended to speak with the company that you purchased windows from as soon as possible.
Unfortunate weather Extreme cold or hot temperatures can affect the integrity of your double glazing. This could cause the frames to expand or shrink, which could lead to problems opening and closing them easily.
A damaged window seal could also cause water or damp to collect in the frame. It is crucial to get this fixed as quickly as possible, because it could cause serious damage to the glass and woodwork of your home.
Misted or cloudy windows This is the most obvious sign that your double glazing has gone bad. It is caused by moisture accumulating between the window panes, which could cause a loss of thermal efficiency because the glass will be unable to retain heat.
This can be expensive. Luckily we have a solution for this problem - our industry-leading sealing service.
It is essential to fix a blown window as soon as possible, as it could cause serious problems with your home's energy efficiency. A double-glazing window that is not working properly could also pose a security threat, as it is not able to stop intruders entering your home. If you spot any faults, we recommend you contact the business from which you purchased your double-glazing, and request that they send out a technician to help.
Condensation on the Panes
If you notice mist or condensation between your double glazing panes, it's an indication that the seal has failed. The gas that is used to insulate the sealed unit will have evaporated. This is a major problem and means that your windows don't provide the same thermal efficiency that they used to provide.
However, it is also possible to get condensation on the inside of double glazed windows if you drying your clothes in a space with poor ventilation and humid conditions. This kind of condensation usually appears at night when the glass is colder, and will disappear during the day as the sun rises. This is a normal event and is not indicative of any issues with your windows or the glass itself.
The exterior of your double-glazed windows may condensate or fog up due to lack of ventilation or damp conditions. It could also be due to the use of certain cleaning products that contain harsh chemicals. These products could cause damage to the seals which keep moisture from the gaps that are used to insulate the panes. If you're having this issue it is recommended that you have an expert replace the seal to restore the insulation properties of your windows.
Based on the condition of the frames, you might not need to have the entire window replaced, and replacing just the glass units can help you save money. You can lower the chance of condensation from the future by ensuring that your home is properly ventilated and also by keeping humidity levels as low as you can. When you take a shower or bath, use the extractor and open the door to keep out moisture. It is also an excellent idea to cover pans and pots during cooking, or use a dehumidifier in the area where condensation is common.
If you're experiencing this issue, you should seek out a professional double glazing company to repair the broken seal and replace damaged glass units. A FENSA-approved professional can accomplish this in a short time, so that you can begin enjoying your new double-glazed window as soon as is possible.
Leakage
It is recommended to fix your windows right away if they're leaking. It's not only unsightly however, it's also a sign that your windows aren't sealed and insulated correctly. This is a big problem for homeowners since it means that they're losing energy efficiency and paying more to heat their house.
The misting you experience in your double-glazed windows is caused by a difference in temperature between the glass panes and air outside. This causes moisture to accumulate within the window, leading to an opening between the panes. This is also known as a "blown window".
Replacing a window that has been damaged will improve the energy efficiency of your home and also save you money. A new unit will seal off the gap, preventing warm and cold air from entering and leaving your home. This will ensure that your heating remains in the place it is supposed to be.
The frames of double-glazed windows may also become difficult to open or close. This could be due to weather conditions, such as extreme temperatures and is often solved by wiping the frames with cold water. The frame will then shrink and make it easier to open and close the window.
You can also repair this yourself by sanding and scraping the rabbets that will fit into the window into the frame down to bare wood, then painting over them with an external primer. Then, you can use putty to fill the gaps where rabbets were. Be careful not to create a smooth surface as you want the putty to stick and be as solid as it can be.
Contact the installers of your double-glazed windows or door for guidance on how to fix the problem. If the windows are under warranty, the company may be able replace them for you at their own expense. If not, get in touch with a reliable double glazing repair service like Mr Misty Ipswich to see what can be done.