How to Repair Double Glazed Windows

Typically, double glazing comes with a guarantee of 10 or 20 years. If your double-glazed windows are showing signs of aging, you might be eligible for them to be replaced under warranty.

Double glazed window repair involves re-sealing your existing glass unit. The seal isn't working properly when you notice mist.

Glass damaged

A seal that is airtight is essential for double pane windows to work properly. The condensation between the glass plates is a common sign of a faulty seal. Condensation between glass plates is not a major issue and can be fixed however, it's an indication that your glazing unit needs replacing. If you have a double-glazed windows that is older, it may be necessary to replace both the glass and the frame. If the frame is in good condition you might be able to save money by simply replacing the glass.

Glass is brittle and it's not unusual for double-pane windows to crack as time passes. Unless the cracks are caused by mechanical damage or a sudden impact, it's often possible to repair the cracks using epoxy and a small amount of elbow grease. Start by cleaning over the crack with a damp cotton rag. Then, apply epoxy to the crack, according to the instructions of the manufacturer. Allow the epoxy to completely dry before sanding it down and painting over the repaired area.

A simple strip of masking tape can also be used to stop a crack from spreading. One strip of tape on both sides of the cracked area is enough to keep superficial cracks, like stress cracks caused by low temperatures, from escalating. If you have deeper cracks in your glass that are already present, it's recommended to consult an expert to repair the damage.

It's risky and difficult to replace a single pane in a double-paned window. Double-paned windows are constructed as a whole unit and sealed with inert gas in the factory. It is therefore impossible to take off just the glass without damaging the window. If you're planning to replace the glass in your double-pane windows, be sure to choose a reputable brand that is backed by a strong warranty.

You can also use newspaper to shield the window frame before you remove the sash, or replace any broken glass. This will shield you from any sharp shards that might fall in the process and also help to protect your home's trim or molding.

Condensation Build-Up

The good part is that condensation occurring between upvc window repairs panes is totally normal. It's caused by a disparity between air temperature and humidity levels, which causes water vapour in the air to condense when it touches cold impenetrable surfaces such as windows. This is usually a great thing during winter because it stops the loss of heat.

However, if you're finding that your windows are looking cloudy with a film of moisture on them, it's probably time to hire an expert glazier. This is a sign that the seal between the two panes has begun to break down and allows moisture to enter the window.

You can stop this from happening by making use of dehumidifiers, increasing ventilation, or by applying de-icing agents. There are also specialist companies who will solve condensation issues in double glazed windows by drilling holes into the window and pumping or injecting a specific desiccant to eliminate the excess moisture. This is a more involved procedure that requires the sealed unit to be removed from the frame, opening up each pane of glass to clean them thoroughly, then refilling with desiccant before sealing them up. This is typically a more expensive option but it's worth checking that any company you select is insured and is registered with FENSA.

Remember that tampering your double-glazed windows could cause the windows to be void of any warranties. If you have a warranty on your windows it's always best to let the company be aware of any issues that arise as it is responsible for replacing units under warranty. It is recommended to speak with an expert before attempting any DIY repairs. This is especially the case for older units since they're often more prone than newer ones to fail. If this happens, it's probably recommended to replace the entire glazed panel. You'll then have brand-new windows that will last for many years.

Scratches

It is not uncommon for double-glazed windows to be affected by scratches on their surfaces. This can be due to environmental factors, or even the manner in which the window was installed.

Many of these scratches are not that severe and can be fixed by using a few home remedies. If your windows are scratched to the extent where you can feel the scratch with your finger it is recommended to seek out a professional for help so that the glass surface is restored to its original state.

Superficial scratches result from objects scraping against the glass surfaces of your windows such as pet claws, tree branches and abrasive substances used for cleaning. Often, these scratches can be cleaned with certain non-abrasive products like iron oxide or cerium oxide polishes which you will have to continue using until the scratch is no longer visible.

Scratches can also be caused by sanding the wood trim around your windows. They can also occur during construction work. They can be difficult to repair, however the use of baking soda and seal water should help smooth the buffed area and remove any scratches that remain.

Metal polish can be used to get rid of deeper scratches. Add a small amount of the product to a microfibre or cotton cloth and gently rub over the affected area in a circular motion. Be careful not to apply too much pressure since this could cause damage to the window. After the area has been smoothed out using a damp cloth to wash away any polish residue that remains.

If you have a particularly deep scratch that you can't remove, you should consider buying a special non-abrasive glass polish. It is available at any DIY retailer. Follow the directions on the packaging. Alternately, you can apply nail polish to smooth the area and cover any small scratches on your window glass. Make sure you apply the nail polish to the area that is scuffed.

Haze

The appearance of fog in your double-pane window is a sign that the airtight seal between the two panes of glass has deteriorated. It's crucial to get the issue fixed as soon as you can so that you don't end having dirt and moisture build-up between the panes. This can damage the glass and decrease its transparency.

There are a number of solutions to fix haze in your double pane windows. Make use of a defogging product. This is only a short-term solution. If you want a permanent fix, you should contact a professional glass company. They can repair the issue or replace the gaskets if needed.

Another way to solve haze in double glazed windows is to drill tiny holes into the frame of the window, using a carbide-tipped drill. Then, you can tuck in a desiccate bag into these holes and rinse the window with ruby alcohol. The water will help to rid the haze and cleanse the window.

It is essential to ensure your windows are maintained and seal cleaned regularly to avoid fogging. This will let you see through the double panes and enjoy a stunning view from your home or garden. Additionally, making sure that your home is well ventilated can also be beneficial. This will help to ensure that any condensation is swiftly eliminated, rather than being allowed to settle and then reseal the window.

You should not only clean and maintain your windows frequently, but also ensure that they are installed correctly. Installing your windows should only be completed by a glazing company with years of experience. This will ensure that the seals and gaskets are fitted correctly and fit snugly. It is also recommended to get your windows repaired as soon as possible, before they start to show signs of wear and tear. This will prevent costly double pane window repairs.

Generally, insulated double glazed windows are built to last around 20 years. This is because they are designed to stand up to all kinds of weather conditions, including very cold temperatures, extreme heat, humidity as well as repeated closing and opening. It is essential to remember that faulty installation or material could reduce the life span of double-glazed windows.