How to Repair Double Glazed Windows

Typically, double glazing comes with a guarantee of 10 or 20 years. So, if your double-glazed windows are showing signs of aging, you may be eligible to have them fixed under warranty.

Double-glazed window repair requires re-sealing your existing glass unit. Misting is a clear sign that the seal is broken and you will need to get it repaired.

Glass damaged

A seal that is airtight is vital for double pane windows to function effectively. The most frequent indication that a seal is failing is the formation of condensation between the glass plates. Condensation that forms between glass plates is not a major issue and can be fixed however it is an indication that your glass unit needs replacing. If you have an older double glazed window, this may mean replacing both the frame and the glass. If your frame is still in good condition, you may be able to save money by just replacing the glass.

Glass is fragile and it's not unusual for double-pane windows to crack as time passes. If the cracks aren't caused by mechanical damage or a sudden impact, it's usually possible to repair these cracks with epoxy and a little bit of elbow grease. Follow the instructions of the manufacturer and scrub the area of the crack by using a damp cotton cloth. Then apply the epoxy to the crack. Allow the epoxy to completely dry before sanding down and painting over the repaired area.

A simple strip of masking tape can also be used to prevent cracks from spreading. A single strip of masking tape applied to each side of the crack should be sufficient to prevent cracks that appear superficial from spreading, for instance stress-cracks caused by low temperatures. If you notice more severe cracks in your glass that are already present, it's recommended to speak with a professional for the repair.

It's risky and difficult to replace a single pane of double-paned windows. Double-pane windows are manufactured as a complete unit and sealed in the factory with inert gas, so it's impossible to remove the glass without damaging the entire window. If you intend to replace the glass in your double-paned windows pick a manufacturer with a long-lasting warranty.

It's also a good idea to pad the window frame with newspaper before you attempt to take off the sash and replace any damaged glass. This will help protect you from any sharp shards that could fall on the way as well as to protect the trim of your home or molding.

Condensation Build-Up

It's important to understand that condensation on window panes can be completely normal. It's caused by a disparity between the temperature of air and humidity levels, which causes water vapour in the air to condense when it touches cold impenetrable surfaces such as windows. This is generally a good thing during winter because it helps prevent heat loss.

If your windows appear like they are cloudy and have a thin layer of water on them, window repairs you should call a professional glazier. This is an indication that the seal between the two panes is beginning to weaken and allow moisture to enter the window.

You can stop this from happening by making use of a dehumidifier, increasing ventilation or using a deicing agent. There are also companies that can eliminate excess moisture from double-glazed windows through drilling into the unit and injecting desiccant. This involves removal of the sealed unit from the frame and cleaning every glass pane before refilling the desiccant. This is typically a more expensive option but it is worth checking whether the company you select is insured and is registered with FENSA.

It is crucial to remember that altering your double-glazed windows is not recommended and could cause the windows to be damaged and invalidate any warranties. If you have a guarantee on your windows, it's recommended to let the company know about any problems that arise, as it is accountable for the replacement of windows that are covered under warranty. It is recommended to speak with an expert prior to undertaking any DIY repairs. This is especially the case for older units because they're more prone than newer ones to fail. If this happens, it's better to replace the entire glazing panel. You'll then have brand new windows that will last for years.

Scratches

It's not unusual for window repairs double glazed windows to be impacted by scratches on their surface. This can be due environmental factors or the manner in which the window was put in place.

Thankfully, many of these scratches are minor and can be easily repaired by using a few home remedies that you can do yourself. If you feel scratches on your windows with your finger or nail, or when they are very deep, you should consult an expert for help in restoring the glass back to its original state.

These scratches are caused by objects like pet nails, tree branches and cleaning products that are abrasive scrape against the glass of your windows. The scratches can be removed with non-abrasive solutions like iron oxide and polishes made of cerium dioxide. You will need to use these until the scratch disappears.

Scratches can also be caused by sanding wood trim on your windows. It can happen during construction work. These scratches may be difficult for you to repair. However, a mixture of baking soda and water can help smooth out the surface that has been buffed and remove any remaining scratches.

For more extensive scratches you can apply a polish for metal to smooth the area and eliminate scratches. Add a small amount the product to a microfibre or cotton cloth and gently rub the affected area in a circular motion. Avoid applying excessive pressure, because this could cause further damage to the window. After the glass has been smooth, use a damp cloth to wash away any remaining polish.

You may want to consider purchasing a non-abrasive glass polish if you have a deep scratch you cannot remove. It can be purchased at any DIY store and must be applied in accordance with the directions on the packaging. You can also use nail polish to cover up any superficial scratches on the glass of your window. Make sure that the nail polish is clean and only applied to the scuffed area of your window repairs.

Haze

The presence of haze in the double-paned windows indicates that the seal between the two panes is broken. It is essential to get this fixed as soon as possible to ensure that you don't end with dirt and moisture build-up between the panes. This could cause damage to the glass and decrease its transparency.

There are many options to remove haze from your double pane windows. One option is to apply a defogging spray. This is a temporary solution. If you're looking for a lasting solution, you'll need to contact a professional glazing company who can fix the issue and replace the gaskets, if necessary.

Another way to get rid of the problem of haze in double-glazed windows is to drill small holes into the frame of the window, using a carbide-tipped drill. You can then insert the desiccate packet inside these holes and wash the window with rubbing alcohol. The water will help to rid the haze and clean the window.

It is vital to ensure your windows are maintained and regularly cleaned to avoid fogging. This will allow you to see through the double panes and enjoy the stunning view from your backyard or at home. Also, ensuring that your home is ventilated can also be beneficial. This will help to ensure that any condensation is quickly eliminated, rather than being allowed to settle and reseal the window.

It is important to not just clean and maintain your windows regularly, but also ensure that they're installed correctly. The installation of your windows should be carried out by a reputable glazing company. This will help to ensure that the gaskets are fitted correctly and that there is an exact fit. It's a good idea repair your windows in the shortest time possible before they begin showing signs of wearing out. This will help avoid expensive double pane window repairs.

In general, double-glazed windows that have insulation are built to last for around 20 years. They are designed to stand up to various weather conditions, including extremely cold temperatures, high temperatures and humidity as well as frequent openings and closings. It is important to keep in mind that improper installation or faulty material could reduce the life span of double-glazed windows.