How to Spot Blown Double Glazing Repairs
No matter how new your double glazing is it's not indestructible. It is susceptible to failure, and once it does you need to get it fixed as soon as possible.
Misting is one of the first indications that your double-glazed windows are not working. It means that the seal between two panes has failed, resulting in a window that is not as effective in insulating.
Damaged Seals
When a window seal fails moisture may get in between two glass panes and cause condensation or fogging. This can impact the performance of the windows because they are insulated and result in higher energy costs because you'll need to utilize more heat and cooling. The windows that are smudge-proof can make it difficult to enjoy the view outside and could affect the appearance of your home.
If you are experiencing any of these issues with your double-glazed windows It is crucial to contact a professional to fix or replace the window seals. You will save money, improve your home's efficiency and comfort and reduce your energy bills.
A damaged window seal will increase the amount of humidity within your home, which can lead to the formation of black mould and other issues which pose health risks. The moisture can cause rot and even warping to the window's frames. It is important to clean your windows regularly to stop this from happening.
The reason for double glazing was to save homeowners on energy costs by insulating their homes better. Insulated glass is two panes of glass bonded with spacers and filled with inert gases like xenon or argon to limit heat transfer. When the window seal fails the insulating gases get released, making windows less efficient at saving energy.

A faulty window seal can lead to many problems that include a reduction in energy efficiency, leaks of water and a decrease in security. It is important to replace seals when they're damaged to avoid these issues. Glaziers can replace the seals swiftly, effectively and efficiently, to ensure that your double glazing is in good shape.
Certain glazed windows come with a warranty that covers the cost of replacing the window seals if they are damaged. Ask your glazier determine their policy on this matter, and how long the guarantee lasts. If you have an assurance, you must call them as soon as you spot any indication that your window seal is failing.
Panes damaged Panes
If your double glazing starts to mist up or fog it's an indication of a failing seal between the two panes. It could be due to various reasons. Some of the most common causes include:
It can be caused by accidental damage or wear and tear. In most cases, this can be fixed by replacing the affected pane of glass.
Poor installation - if the double glazing was improperly installed, it can cause problems right away. This is especially relevant if the installers employed a poor quality sealant. If you find that you have a problem, you should call the company that sold you your windows as soon as you can.
Unfortunate weather - extreme hot or cold temperatures can affect the integrity of your double glazing. This can cause the frames to shrink or expand and cause issues opening and closing them without difficulty.
Water or damp in the frame is a common problem that can be caused by a broken window seal. It is important to address this issue as soon as you can, because it could cause serious damage to the glass and woodwork of your home.
double glazing repairs or cloudy windows - this is the most obvious indication that your double glazing has failed. It is caused by the presence of condensation between the windowpanes. The glass will lose its thermal efficiency if they are unable to keep heat.
This can be expensive. Our resealing services that are industry-leading provide the solution to this issue.
It is important to repair the damaged window as soon as possible, as it could cause serious problems in your home's energy efficiency. It can also pose security risks, as a faulty double glazing window won't be secure enough to stop intrusions into your home. We recommend you contact the company you purchased your double-glazed windows from as soon as you notice a problem, and ask for a technician to come out to assist.
Condensation on the Panes
If you're seeing a haze or condensation between the panes of your double-glazed windows it's an indication that the seal has broken and the insulating gas within the sealed unit has evaporated. This is a major problem and means that your windows no longer provide the same level of thermal performance as they used to.
It is possible to see condensation in double-glazed windows when drying your clothes in a space with poor ventilation or damp conditions. This type of condensation typically appears at night when the glass is colder, and will disappear during the day when the sun rises. It is a common occurrence and is not indicative of any issues with your glass or windows itself.
The condensation or mist that forms on the outside of your double glazed windows can be caused by a lack of ventilation in the room or damp conditions, or by using certain cleaning products that contain harsh chemicals. These products can harm the seals that keep moisture out of the gaps between the panes. If you are experiencing this problem it is recommended that you have an expert replace the seal in order to restore the insulation properties of your windows.
Depending on the condition of the frames, you might not require the entire window replaced, and replacing only the glass units can help you save money. By ensuring that your home is well-ventilated, and the humidity level as low as you can, you'll lower the chance of condensation. For instance, when showering or having a bath it is best to make use of the extractor fans and open a window to stop excessive moisture from accumulating. It is also recommended to cover pots and pans during cooking, or use a dehumidifier inside the room where condensation is common.
If you're experiencing this issue, contact a specialized double glazing business to repair the broken seal and replace your damaged glass units. A FENSA certified professional will be able accomplish this fast and efficiently, ensuring that you can have your new double-glazed windows as soon as possible.
Leakage
If your windows are misting up you should take action immediately to fix them. It's not just ugly however, it's also a sign that the windows are no longer sealed and properly insulated. This is a major issue for homeowners because it can mean they're losing efficiency in energy use which can result in higher costs to heat their homes.
The misting that occurs in your double glazing is caused by a difference in temperature between the glass panes and the air outside. This results in the accumulation of moisture within the window, which creates a gap between the panes. This is commonly known as a "blown" window.
Replacing the window that was damaged by a new one will increase your home's energy efficiency and save you money on heating costs. A new window will close the gap, stopping warm and cold air from entering or leaving your home. This will ensure that your heating remains where it should be.
The frames of double-glazed windows may also become difficult to open and close. This could be due to weather conditions like extreme temperatures, and is often solved by wiping the frames with cold water. This will shrink the frame and make it easier to open and close the window.
You can also repair this yourself by sanding the rabbets that will fit into the window into the frame until they are the wood's surface, and then painting over them with an external primer. Putty can be used to fill in the gaps left by rabbets. Be cautious not to smooth the surface, as you want it to be as solid and adhering as much as you can.
If you've noticed a difference in the way your double-glazed door or window performs, talk to the installers who put it up for advice on how to resolve the problem. If the windows are still under warranty, the company may be able to replace them for you at their own cost. If not, get in touch with a reputable double glazing repair company like Mr Misty Ipswich to see what can be done.