7 Things You've Never Learned About Double Glazed Windows Repairs
Double Glazed Windows Repairs
If your double glazed windows are difficult to open or have a mist between the panes, this could be a sign of damaged seals. If this is the case, it would be worth scheduling for them to be fixed.
This can be accomplished without replacing the windows, and will be much less expensive in the long in the long run. However, very specific tools are needed so it is best to have a professional take care of this kind of repair.
Seals that are damaged
The window seals can get worn out over time, allowing argon gas or Krypton to escape through the panes of double- or triple-paned windows. If you have a broken seal, air from outside is entering your home and the argon that helps insulate your home is escaping and both can be detrimental to energy efficiency.
The reason window seals break is because they are exposed to extreme temperatures, humidity and pressure. These changes cause the glass to expand and shrink, which puts an enormous amount of pressure on seals over time. This can happen when your children or pets accidentally scratch your windows.
If double glazed window repair on your window breaks it's best to have the problem examined by a professional as fast as possible. If you wait too long for too long, the argon and Krypton gas could escape completely, and this could significantly diminish the insulating properties of your window.
Fog that forms between the window panes is a common sign of a failing seal. You can remove the fog from your window however it is better to call a professional out and reseal the window.
A technician will remove the existing seal and clean the glass. They will install the new seal once you are able to seal your windows. This will involve disassembling the sash in case it is necessary, then re-assembling it and replacing the IGU (insulated glass unit) if required. Then, they will re-insert argon (or Krypton) into the void in between the panes. They will also re-seal the IGU to ensure a watertight seal. There are kits available that claim to aid homeowners with this process. These products have received mixed reviews, however we suggest that you leave this task to experts.
Condensation
Condensation is one of the most common issues when it comes to double glazing, particularly in older buildings. It happens when the air within a house is warmer than the glass and has higher dew points meaning that moisture can form inside. It is more likely to occur at the night or during the early morning hours, when temperatures are the lowest.
Condensation in double-glazed windows is able to be easily fixed and it is not required to replace the entire window or door. The spacer bar, that is situated between the two panes in the majority of double glazing, is filled with desiccant. This is highly absorbent and draws in any moisture that gets into the void of the 'air gap.' However, if the spacer bar is saturated with moisture it can start to leak into frame of the window, which is where condensation forms.
Also, be aware that double-glazed windows are still covered by a warranty. This means you can contact the company who installed them. They will investigate and replace any damaged seals or units. Do not try to alter the units since this could affect your warranty.
It is recommended to choose a reputable tradesperson to carry out your double glazing repairs and there are many to pick from on Checkatrade. Our traders have all been vetted and checked to ensure you receive a professional service for a reasonable price. It is possible to solve the issue by lubricating the hinges or handles of your double-glazed windows and doors. It is also recommended to wipe down the frames with a damp cloth to see if this helps, particularly since extreme weather can cause them to expand or shrink and this could make them difficult to open.
Draughts
The gap between your frame and the wall could allow draughts into your home. This can be cold and can increase the cost of energy. Draught proofing can help by sealing gaps and improving insulation. You should get quotes from various companies as the costs can differ. A reputable company will be able to guarantee their work.
Double glazing that is misted can be difficult to see through, but it usually means there's a problem with the seal. A window repair expert can fix this problem by using an effective defogger.
If you notice cold draughts around your windows, it could be a sign the sealed units are no longer efficient. This can lead to higher heating costs. Window repair services can replace the double-glazed units, which will eliminate drafts and increase insulation.
If you have difficulty opening or closing windows It could be due to the mechanisms or hinges are stiff and need to be oiled. This can be a quick fix, but you should check with the company who installed your double-glazed to find out what their warranty covers.
Over time, uPVC frames may be discolored. This could be due to sunlight, cleaning products, or the weather. If you spot dark streaks or areas that don't appear clean, it is time to replace them. Some companies offer replacement services however others will replace the entire frame and handle or locking mechanism. It is best to call the company who sold you the windows in the first place. They'll be able to provide suggestions on the most cost-effective options for your home. They might even be capable of matching your existing frames, meaning you don't have to replace everything.
Smudging
This is the initial sign that double glazing is experiencing an issue, and it's simple to repair. This occurs when condensation from the inside of the window is trapped between the two panes, and it appears as smudges or drops of water on the outside of your windows. Untreated, this could cause mold and damage to your sills and frames. Inhaling mold spores can also cause health issues.
The top double glazing firms can identify the issue and provide an affordable solution. They will be able replace the window seals that hold air between the two glass units, and let out drafts. This will give you the most comfortable living environment while saving money on your energy bill.
If you're planning to try the repair yourself the best starting point is with a rag and some dish soap to clean the surface of your window. Then, you'll need to mix two-part epoxy onto a disposable plate or cardboard and use it to repair any cracks. This is a temporary fix so it's important that you pick the right product.
If you are thinking of replacing your double-glazed windows a company who offers the guarantee of their products. You'll have peace of assurance knowing that you are working with a reputable and reputable business which can offer high-quality service and products. Look at customer reviews prior to making a final decision. This will help you to determine whether or not the company is a good fit to your requirements.
Mist
Condensation on the outside of your double-glazed windows is nothing to worry about, as it's a sign that your windows are functioning correctly, keeping moisture and damp from your home. However, a misty appearance within your windows is a more serious issue and means that one or more of the seals are broken.
To make the double-glazed window airtight and water-resistant, the gap between the two panes must be sealed with the gas argon. If the glass appears to be misted it is a sign that the argon has been damaged or a seal has broken. This could be an indication of a poor install, because the window might have been damaged during the process, or the sealant may have worn out over time.

Many companies claim they can repair double-glazed windows that have mist by drilling tiny holes in the glass and pumping chemicals into these holes to absorb the water vapour that is trapped inside. This is a good solution for a lot of people however it is crucial to understand that there are limits to what can be fixed.
There are instances when a replacement of the window unit is a more suitable option, especially if there is significant damage. If the window unit has been damaged or is no longer functional due to rot, it could require replacement. A professional consultation is recommended in these instances to determine the most effective course of action.