How to Spot Blown Double Glazing Repairs
Whatever new your double glazing may be, it's not indestructible. It can fail and you should get it repaired as soon as it does.
Misting is among the first indications that your double-glazed windows are failing. It is a sign that the seal between the two glass panes has started to leak, which means that your window will no longer be as efficient for insulation.
Damaged Seals
When a window seal is damaged, moisture may get in between two glass panes, causing fogging or condensation. This could affect the efficiency of the windows as they are insulated and result in higher energy costs because you will have to use more heating and cooling. The windows that are hazy make it difficult to enjoy the outdoor view and can detract from the overall appearance of your home.
If you notice any of these issues with your double-glazed windows It is essential to contact a professional to repair or replace the window seals. If you do this you can reduce costs and increase the efficiency and comfort of your home.
A faulty window seal can increase the amount of moisture that enters your home. This can lead to black mould and other health-related issues. Moisture may also cause rot and warping to the frames of your window. It is essential to keep your windows clean to prevent this from occurring.
Double glazing was invented to cut down on the cost of energy for homeowners by insulating their home. Insulated glass consists of two panes of glass joined by spacers and then filled with inert gasses like xenon or argon to limit heat transfer. When a window seal fails the entire insulating gas is released, making the windows less effective at conserving energy.
A damaged window seal could cause a variety of issues that include a reduction in energy efficiency, water leaks, and decreased security. To avoid these issues it is essential to replace the seals as soon as they are damaged. A glazier will be able to replace the seals quickly and efficiently, ensuring that your double-glazing is in good working order.
Certain windows with glazed glass come with a guarantee that covers the cost of replacing window seals in the event that they become damaged. Ask your glazier for their policy on this is and how long they guarantee the warranty for. If you have a warranty, it is recommended to contact them as soon as you can when you begin to observe any signs of a faulty window seal.
Panes damaged Panes
If your double glazing starts to mist or fog up, it is a sign that the seal between the two glass panes has failed. This could be due to a number of reasons. Some of the most common causes are:
This can be caused by accidental damage or gradual wear. In most cases this can be repaired by replacing the affected glass pane.
Incorrect installation - If the double glazing is installed incorrectly it could cause immediate problems. This is particularly when the installers used the wrong sealant. If you find this, it's recommended to speak with the company you bought your windows from as soon as possible.
Extreme temperatures - cold or hot they can both impact the durability of double-glazing. This can cause the frames to expand or shrink and cause issues opening and closing them smoothly.
The damp or water inside the frame is a frequent issue that is caused by a defective window seal. This should be fixed promptly since it could cause severe damage to the woodwork of your home and glass.
Windows that are cloudy or misty - this is the most obvious symptom that your double glazing is damaged. It is caused by moisture getting in between the windowpanes, which could cause an increase in thermal efficiency as the glass is unable to retain heat.
The only way to fix this is to replace the window panes, however, this can be expensive. Our industry-leading resealing services can solve this problem.
A damaged window must be fixed immediately you notice it, as it could cause serious issues in the energy efficiency of your home. A damaged double-glazing windows can also pose a security threat, as it is not able to stop intruders entering your home. When you discover any flaws, we suggest you contact the business from which you bought your double-glazing and ask them to send out a technician to help.
Condensation on the Panes
If you notice mist or condensation between the panes of your double glazing, this is a sign that the seal has failed and the gas that insulates inside the sealed unit has evaporated. This is a serious issue, and your windows will no longer perform as well in terms of thermal efficiency.
It is possible to see condensation in double-glazed windows when you are drying your clothes in a room with low ventilation or damp conditions. This kind of condensation typically appears at night, when the glass is cooler. It will disappear in the morning when the sun rises. This is a common event and is not indicative of any issues with your windows or the glass itself.

The outside of your double-glazed windows could condensate or fog up due to lack of ventilation or damp conditions. It could also be due to the use of specific cleaning products that contain harsh chemicals. These products can harm the seals which keep moisture out of the gaps between the panes. If you are having this issue it is recommended that you have a professional replace the seal to restore the insulation qualities of your windows.
You can save money by only replacing the glass units. You can lower the chance of condensation in the future by making sure that your home is adequately ventilated and by keeping humidity levels as low as you can. For instance, when showering or having a bath it is best to use the extractor fan and open a window to prevent excessive moisture from accumulating. Covering your pots and pans when cooking or using a dehumidifier for drying out the space where condensation can occur is also a great idea.
If you encounter this issue it is recommended to seek out a reputable double glazing business who can repair the broken seals and replace damaged glass units. A FENSA certified professional will do this quickly and efficiently, which means you can enjoy the new double glazed windows as soon as is possible.
Leakage
It is important to repair your windows immediately if they are misting. It's not just unsightly however, it's also a sign that your windows aren't being sealed and insulated properly. This is a huge issue for homeowners as it indicates that they're losing energy efficiency, which can result in higher costs to heat their homes.
The misting that occurs in your double glazing is due to an inconsistency in temperature between the glass panes, and the air outside. This creates moisture inside the window. This leads to a gap forming between the panes. This is also known as a "blown window".
Replacing a window that has been damaged can improve the energy efficiency of your home and also save you money. A new window will close the gap, preventing warm and cold air from escaping or entering your home. This will ensure that your heating remains in the place it should.
The frames of double-glazed windows can also become difficult to open or close. This could be due to weather conditions like extreme temperatures, and is usually solved by wiping down the frames with cold water. This shrinks the frame and make it easier to open and close the window.
You can also do this yourself. Sand and scrape the rabbets which will fit inside the frame of the window, until they are unfinished wood. Paint them with an external primer. Putty can be used to fill the gaps where the rabbets used to be, but being careful not to cause the surface to become too smooth as you want the putty to adhere and be as strong as you can.
If you've noticed a difference in the way your double-glazed door or window is operating, contact the installers who put it up for guidance on how to fix the issue. If the windows are under warranty, the company might be able to repair the windows at their own cost. If not, you can get in touch with a reputable double glazing repair company like Mr Misty Ipswich to see what is possible.