How to Spot Blown Double Glazing Repairs
No matter how brand new your double glazing is, it's not a guarantee of durability. It's likely to fail, and you should get it repaired as soon as it does.
Double-glazed windows that leak are a sign of failure. It indicates that the seal between two panes has failed, leading to windows that are not as effective in insulating.
Damaged Seals

When a window seal is damaged, moisture can enter between two glass panes, leading to condensation or fogging. This will impact how well windows are insulated and could result in more expensive energy bills since you need to use more heating or cooling. The windows that are hazy make it difficult to enjoy your view outside and can affect the overall aesthetics of your home.
If you notice any problems regarding your double glazing It is essential to contact a professional to fix or replace the window seals. You will save money, improve the comfort and efficiency of your home and reduce your energy bills.
A damaged window seal will increase the amount of humidity within your home, which can lead to the development of black mould and other issues which pose health risks. Moisture can also cause rot and warping to the frames of your window. Cleaning your windows regularly will aid in preventing this.
Double glazing was invented to cut down on the energy bills of homeowners by better insulate their homes. Insulated glass consists of two panes of glass connected with spacers and filled with inert gasses like xenon or argon to limit heat transfer. When windows seals fail the insulating gases are released, making the windows less efficient in saving energy.
A window seal that is damaged can cause a variety of problems, including decreased energy efficiency, leaks of water and security issues. To avoid these issues it is essential to replace the seals as soon as they are damaged. Glaziers can replace the seals swiftly, effectively and efficiently, to ensure that your double-glazing remains in good working order.
Certain glazed windows have a warranty that will cover the cost of replacing the window seals in the event that they become damaged. Ask your glazier about their policy on this is and how long they will stand behind it. If you have an warranty, it's an ideal idea to call them as soon as you can when you begin to detect any indications of a faulty window seal.
Damaged Panes
If your double-glazed windows begin to fog or mist it is a sign of a failed seal between the two panes. This could be due to various reasons. Some of the most common causes are:
This could be due to accidental damage or gradual wear. In the majority of cases, it is fixed by replacing the damaged glass pane.
Poor installation - if the double glazing was poorly installed, it may cause problems immediately. This is particularly when the installers used an inferior sealant. If you notice this, it's recommended to speak with the company you bought windows from as soon as possible.
Extreme temperatures - cold or hot, they can both affect the integrity of double glazing. This can cause the frames to expand or contract, which can cause problems when opening and closing.
A damaged window seal could also cause water or damp to accumulate in the frame. It is important to address this issue in the shortest time possible as it can cause serious damage to the glass and woodwork of your home.
Cloudy or misty windows are the most obvious indication that your double glazing has failed. It is caused by moisture accumulating in between the windowpanes, which can cause a loss of thermal efficiency as the glass is unable to store heat.
The only way to fix this is to replace the window panes, but this could be expensive. Fortunately we have a solution to this issue - our industry-leading sealant resealing service.
It is important to repair damaged windows as quickly as possible, as it could cause major issues with your home's energy efficiency. A double-glazing window that is not working properly can also pose an issue for security, since it does not stop intruders from accessing your home. If you spot any flaws, we suggest you contact the company where you bought your double-glazing and request that they send out an expert to assist.
Condensation on the Panes
If you notice mist or condensation on 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 no longer provide the same thermal performance as they used to provide.
It is possible to get condensation in double-glazed windows if you are drying your clothes in a space with poor ventilation or humid conditions. This kind of condensation usually occurs at night when the glass is colder, and will disappear during the day as the sun rises. This is a common occurrence that does not indicate any problems with your windows or glass.
The exterior of your double-glazed windows could condensate or fog up because of a lack of ventilation or damp conditions, or the use of certain cleaning products containing harsh chemicals. These products can cause damage to the seals that keep moisture from the gaps that are used to insulate the panes. If you experience this issue it is advisable to have an expert replace the seal to restore the insulation capabilities of your windows.
Based on the condition of the frames, you might not require the entire window replaced, and replacing just the glass units will help you save money. You can lower the chance of condensation from the future by ensuring that your home is adequately ventilated and also by keeping humidity levels as low as is possible. For instance, when you are showering or having a bath it is recommended to make use of the extractor fans and open a window to keep excess moisture from building up. It is also an excellent idea to cover pots and pans while cooking or using a dehumidifier in the area where condensation often occurs.
If you're experiencing this issue, you should contact a specialized double glazing company to repair the broken seal and replace your damaged glass units. A FENSA-approved professional can do this in a short time, so that you can enjoy your new double glazed window as soon as is possible.
Leakage
It is recommended to fix your windows right away if they're misting. Not only is it unsightly but it also indicates that the windows haven't been properly sealed and sealed. This is a big problem for homeowners since it means that they are losing efficiency in energy use and paying more for heating their house.
The misting in your double-glazed window is due to an inconsistency in temperature between the glass panes, and the outside air. This creates moisture inside the window which then creates a gap between the panes. This is often referred to as a "blown" window.
Replacing a blown window will restore the energy efficiency of your home and save you money. A new window will close the gap correctly, stopping cold air from entering your home, and warm air from escaping it, ensuring your heating stays in your home exactly where it should be.
The frames of double-glazed windows may also be difficult to open and close. This is often caused by extreme weather conditions, such as high temperatures. The frames can be cleaned using cold water to resolve the issue. This reduces the size of the frame, making it easier to open and close the door or window.
You can also repair this yourself by sanding the rabbets that will fit into the window into the frame down to naked wood, and then painting them over with an external primer. Then, you can use putty to fill in the gaps where the rabbets were, being careful not to make the surface too smooth The putty needs to stick and be as sturdy as you can.
If you've noticed a change in the way your double-glazed window or door performs, talk to the installers who installed it for assistance on how to fix the issue. If your windows are covered by warranty, they might be able replace the windows for free to you. If not, you should contact an established company that offers double glazing repair services such as Mr Misty Ipswich and see what they can do.