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Why Blown Double Glazing Repairs Is Harder Than You Think
How to Spot Blown Double Glazing Repairs

No matter how old your double glazing system is, it could still fail. It can fail and you must have it repaired immediately if it fails.

Double-glazed windows that fog are a sign of failure. It means that the seal between two panes has failed, which results in windows that are not as efficient at insulation.

Seals that are damaged

If the window seal is damaged, moisture could enter between the two glass panes and create fogging or condensation. This affects how the windows insulate, and could result in higher energy bills as you have to use more heating or cooling. Foggy windows also make it difficult to enjoy your outdoor view and can affect the overall look of your house.

If you find that your double glazing has any of these problems It is crucial to speak with an expert who can fix or replace the seals. You'll save money, improve the comfort and efficiency of your home and reduce your energy bills.

A window seal that is not working properly will increase the amount humidity in your home, leading to the growth of black mould, as well as other issues which pose health risks. Moisture can also damage the frames of your windows and lead to rot or warping. It is essential to regularly clean your windows to avoid this occurring.

The reason double glazing was developed was to save homeowners money on energy costs by insulating their homes better. Insulated glass is made up of two panes of glass that are joined by spacers and then filled with inert gasses such as argon or xenon to reduce heat transfer. If a window seal is damaged the insulation gas is released, making windows less effective in conserving energy.


A window seal that is damaged can cause many issues, including a decrease in energy efficiency, leaks of water and security problems. It is important to replace seals when they're damaged to avoid problems like these. A glazier can repair the seals quickly, effectively and efficiently, to ensure that your double glazing is in good condition.

Some glazed windows come with a warranty that will cover the cost of replacing window seals if damaged. Contact your glazier to determine their policy on this matter, and the length of time that the guarantee is valid. If you are covered by an warranty, it's a good idea to contact them as soon as you can when you start to notice any signs of a defective window seal.

Damaged Panes

If your double glazing begins to fog up or appear to be misting it's an indication that the seal between the two glass panes has failed. This could be due to various factors. Some of the most common causes are:

This could be due to accidental damage or wear and tear. In most cases, this can be repaired by simply replacing the damaged glass pane.

Incorrect installation - if the double glazing was poorly installed, it can cause problems right away. This is particularly true if the installers used a poor quality sealant. If you find that, you should contact the company that sold you your windows as soon as you can.

Extreme temperatures - cold or hot, they can both affect the strength of double glazing. This could cause the frames to shrink or expand and cause issues opening and closing them without difficulty.

A window seal that is not working properly can also cause water or damp to build up in the frame. It is crucial to address this issue in the shortest time possible as it can cause serious damage to the glass and woodwork of your home.

Windows that are cloudy or misty This is the most obvious sign that your double glazing has gone bad. It is caused by the presence of moisture between the windowpanes. The glass will lose its thermal efficiency if it is unable to keep heat.

This can be expensive. Our industry-leading resealing services are the solution to this problem.

It is important to repair the damaged window as soon as possible, as it could cause serious issues with your home's energy efficiency. A faulty double-glazing window could also pose a security risk, as it is not able to stop intruders entering your home. We suggest that you contact the company you bought your double glazing from when you discover an issue and ask them to send a technician out to help.

Condensation on the Panes

If you notice mist or condensation between your double-glazing panes, it is an indication that the seal has failed. The gas that insulates the sealed unit will have evaporated. This is a serious issue and your windows won't longer perform as effectively in terms of thermal performance.

It is possible to get condensation in your double-glazed windows when you are drying your clothes in a room with low ventilation or humid conditions. This kind of condensation typically occurs at night, as the glass is cooler. It will disappear in the morning as the sun rises. It is a typical condition that doesn't mean any problems with your glass or windows.

The outside of double-glazed windows can condensate or mist because of a lack of ventilation, damp conditions or even the use of specific cleaning products that contain harsh chemicals. These products can harm the seals that keep moisture out of the gap between the panes. If you have this problem it is advisable to have an expert replace your seal to restore the insulation capabilities of your windows.

You can save money by only replacing the glass units. By keeping your home properly ventilated and your humidity as low as you can, you can lessen the risk of condensation. For instance, when you are bathing or showering, you should always make use of the extractor fans and open a window to keep excessive moisture from accumulating. Covering pots and pans while cooking or using a dehumidifier to dry out the space where condensation can occur is also a great idea.

If you experience this problem it is recommended to call a professional double glazing company who can repair the damaged seals and replace damaged glass units. A certified professional from FENSA can do this fast, so you can start enjoying your new double-glazed window as soon as is possible.

Leakage

If your windows are getting misty up, you must fix them immediately. Not only is it ugly but it also indicates that the windows have not been properly sealed and insulated. This is a major problem for homeowners because it can mean they're losing energy efficiency which in turn costs them more to heat their homes.

The misting that occurs in your double-glazed windows is caused by an extreme temperature difference between the glass panes and air outside. This causes moisture to build up within the window, leading to gaps between the panes. This is often referred to as a "blown" window.

Replacing a blown window can improve the energy efficiency of your home and save you money. A new window will seal the gap effectively, preventing cold air from entering your home, and warm air from exiting it, ensuring your heating stays in your home exactly where it should be.

The frames of double-glazed windows may also become difficult to open and close. This can be caused by extreme weather conditions like high temperatures. The frames can be cleaned using cold water to resolve the problem. This shrinks the frame and make it easier to open and close the window.

You can also repair this yourself by sanding and scrapping the rabbets that will fit into the window into the frame down to bare wood, then painting them over with an external primer. Use putty in the gaps left by the rabbets. Be sure not to smooth the surface, as you want it to be as strong and adhere as possible.

If you've noticed a change in the way your double-glazed door or window is operating, contact the installers who installed it to get assistance on how to fix the issue. If your windows are still covered by warranty, they might be able replace windows at no cost to you. If not, you should contact an established company that offers double glazing repair services like Mr Misty Ipswich and see what they can do.

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