Clear Up Misted Up Double Glazing
Condensation on the exterior of your double glazed windows is normal and is a sign that they're functioning in the way they ought to. However, condensation inside the glass panes is a different matter.
Misted up double glazing is more than an eyesore It could be a sign that the seals on your window unit's insulated seals have broken down or deteriorated.
Seals
When condensation forms on the outside of your double-glazed windows This is normal and is a indicator that your windows are functioning well. This is because the air outside is reaching its dewpoint earlier than the glass.
If misted up double glazed unit start to mist on the inside, this is a bigger concern and you should take action. The reason for this is that misting up on the interior of your windows usually indicates that there is an issue with the seals and that water has gotten into the gap between the two panes of glass.
Window seals degrade over time due to aging and general wear and wear and. They also deteriorate if they are exposed to harsh cleaning chemicals which could cause damage to the material. Incorrect window installation can cause misting as the installer might not have used the correct fixing techniques or installed the frame and insulation panels correctly.
The gap between the two panes of glass in a double-glazed unit is filled with a spacer bar that creates an insulation barrier and also acts as a thermal insulation. The spacer bar is coated with an evaporation layer that absorbs moisture to keep the gap dry. The condensation occurs when the spacer bar gets damaged or worn-out, and the water in the gap makes its way through the seals.
Poorly fitted and poorly maintained double-glazing isn't only a source of condensation and damp - it can also damage the efficiency of your home. The windows that are not properly installed let cold air in and warm air to exit, which means you will be spending more money heating your home.
If your windows show signs of misting, consult a professional glazier for advice and to have them evaluated. If your frames or sealed units (glass) are in poor condition, they might need to be replaced to fix the issue. This will improve the functionality of your frames and prevent moisture from accumulating in the gaps. Choose a FENSA-regulated Glazier for the most effective results.
Temperature
Double glazing is an investment that will increase the efficiency of your home's energy use It will also keep it warm and block out noise from the outside. However, it can also be unsightly when it gets clouded by condensation, ruining the clean design you've worked hard to create in your home. If this occurs, it's likely that your double glazing has a faulty seal (known in the industry as a 'blown' unit).
Don't worry if you see condensation on your windows. It's normal, and a sign that your windows work properly. The external condensation occurs when the air outside the window is cooler than the temperature of the glass, and therefore causes water vapour to condense. The desiccant is put between the two panes of double-glazed glass and absorbs the moisture.
Condensation inside of windows isn't often seen, but it does happen. In most cases, it is a sign that the seal around your double-glazed windows is failing. It could be caused by various factors such as how your windows were put in place as well as the age of your windows, and harsh chemical cleaning products that could damage the integrity of the seal over time.
Make a swift move if you observe that the condensation in your double glazing is growing. Opening your windows for a small period of time every day and ensuring that the space is well ventilated can assist in this. You can also use extractor fans during bathing or showering, open the trickle vents and cover pots and pans to limit condensation in the home.
Internal condensation in double-glazed windows is more than just an inconvenience; it's an indication that the window isn't properly insulated or sealed and will result in a negative impact on your energy bill. Acting on this issue immediately will keep your energy costs down and your home comfortable.
Humidity

Condensation on the inside of double-glazed windows is a sign of trouble. It is a sign that the seals haven't been installed properly. If there's a gap between the two glass panes moisture can enter and condensation will appear inside the window or even on the frame.
However, this doesn't mean that you will have to replace your windows as there are many alternatives to fix the problem. Try dehumidifying sprays that you can spray on the glass to eliminate any condensation.
A good ventilation of the room can also help reduce humidity in the air. You can open your windows once every few weeks to let air flow in and have extractor fans installed in your kitchen and bathroom to help with this.
It's recommended to clean your double-glazed windows on a regular basis as this will help prevent condensation. If you do find that your double glazed is beginning to fog up, you must act quickly as this is a good indicator that the window seals aren't working in the way they should. This could result in cold air entering the house and warm air leaving and causing your heating system working harder than it should.
It is likely that the windows that are double-glazed are made of uPVC aluminum, composite or frames. These materials don't suffer from the same problems with older windows, which can crack and suffer from drafts. Double-glazed frames are more durable and will not crack for a long time. This will improve the insulation of your home. However, if you have old double-glazed windows with wooden frames, they might be more susceptible to cracking and this could lead to problems with seals, which could result in your double-glazed windows becoming misted up.
Cleaning
Double glazing is an investment that will pay dividends in the long run. It provides warmth to your home, blocks outside noise, and improves your home's energy efficiency. But, it is essential to maintain your windows perfect. Condensation build up on the inside of your glass can create a watermark that is ugly. There are a few quick and easy solutions to clean your double glazing and keep it looking clean.
The most common reason for the double glazing leaking is that the seal between the glass panes is broken. This can be caused by a variety of factors, including the time it has been initially installed, and the use of harsh cleaning chemicals. When the seals break cold air can enter your home while warm air escapes. This can increase the cost of energy.
One of the most efficient ways to clear up your double glazing is using a dehumidifier. These electrical appliances are available in most hardware stores and are ideal to reduce moisture and eliminate condensation. Install the dehumidifier close to your double-glazed window. It will absorb moisture and remove the condensation that forms on the bars that are on the spacers.
Another method for cleaning windows with double glazing is to use a towel soaked in vinegar and tuck it in between the panes of glass for a night. The vinegar will absorb moisture from the air, and prevent it from accumulating on the window surface. Make sure to use a lint-free and non-abrasive cloth to avoid any staining from the vinegar.
If your double-glazed windows continue to mist up after you have tried these easy fixes, then it might be time to contact a specialist firm to get a professional repair service or replacement. They will be able to diagnose and treat the issue and make sure that your windows are watertight again. If you have any questions about the misting of your double glazing or want to know more about how our specialists can assist, don't hesitate to contact us today.