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 ageing you could be eligible to have them fixed under warranty.

Double-glazed window repairs require resealing the existing glass unit. Misting is a clear sign that the seal has failed and you have to get it repaired.

Glass that is damaged

A seal that is airtight is essential for double pane windows to function correctly. The condensation between the glass plates is a common indication of a failing seal. While condensation between glass is not an issue that is serious and can be addressed, it's usually a sign that the glazing unit requires replacement. If you have an older double-glazed window, this could mean replacing both the frame and the glass. If your frame is in good shape it is possible to save money by only replacing the glass.

Glass is fragile and it's not uncommon for double-pane windows to crack over time. If the cracks aren't caused by mechanical damage or a sudden impact, it's usually possible to repair the cracks using epoxy and little bit of elbow grease. Begin by cleaning over the crack with a wet cotton rag. Next, apply epoxy to the crack, following the manufacturer's instructions. Allow the epoxy to fully dry before painting and sanding the repaired area.

It's also possible to prevent a crack from spreading with an easy strip of masking tape. One strip of tape on both sides of the crack area should be enough to stop superficial cracks, such as stress cracks that result from low temperatures, from escalating. If you have deeper cracks in your glass that are already present, it is recommended to consult an expert for repair.

Attempting to replace just one pane of double-pane window glass is a risky and difficult DIY job. Double-pane windows are constructed as a whole unit and sealed at the factory using inert gas, which means it's impossible to remove the glass without damaging the entire window. If you plan to replace the glass in your double-pane windows, be sure to choose a reputable brand that comes with a solid warranty.

It's also recommended to cover the window frame with newspaper prior to when you attempt to take off the sash and replace any damaged glass. This will help protect yourself from sharp shards that could fall in the process, and it'll also help to prevent any damage to the trim of your home or molding.

Condensation Build-Up

The good part is that condensation occurring between window panes is normal. It's due to a gap between the temperature of the air and humidity levels, which causes water vapour to condense upon contact with cold, hard surfaces like windows. It's usually beneficial, especially in winter as it can help prevent heat loss.

If you notice that your windows appear cloudy and have a layer of moisture on them, it's time to call in an experienced glazier. This indicates that the seal between the two panes has begun to weaken, allowing moisture into the window.

You can stop this from happening by making use of dehumidifiers, increasing ventilation, or by applying de-icing agents. Alternatively, there are several specialists who can fix condensation build-up in double glazed windows by drilling holes in the window and then injecting or pumping a special desiccant to eliminate the excess moisture. This requires taking the sealed unit out of the frame and cleaning each pane of the glass before refilling the desiccant. This will usually be a more expensive option but it is worth checking whether the firm you choose to use is insured and is registered with FENSA.

Remember that tampering your double-glazed windows can end any warranties. If you have windows that have a warranty, it is best to notify the company of any problems as they'll be responsible for any replacement units that are covered under warranty. It's best to consult an expert before attempting any DIY repairs. This is especially the case for older units because they're more prone to fail. If this happens, it's better to replace the entire glass panel. You'll then have brand new windows that will last for years to come.

Scratches

Double glazed windows are not impervious to scratches. This can be due to environmental factors or the way in which the window was put in place.

Thankfully, many of these scratches are minor and can be easily repaired with some do-it-yourself home remedies. If your windows have been damaged to the point that you can feel them with your finger it is recommended to seek out a professional for help to ensure that the glass is restored to its original condition.

These scratches are caused by objects like pet nails, tree branches and cleaning products that are abrasive scrape against the glass of your windows. These scratches can often be removed by using non-abrasive products like iron oxide or polishes made from cerium dioxide. You'll have to apply these products until the scratch disappears.

Scratches can also occur while you sand wood trim around your windows. They may also occur during construction. These scratches may be difficult to fix. However, a mix of baking soda and water can aid in smoothing out the buffed surface and remove any remaining scratches.

Metal polish can be used to remove deep scratches. Add a small amount the product to a cotton ball or clean microfibre cloth and gently rub over the affected area in an upward motion. Avoid applying excessive pressure, since this could cause damage to the window. Once the surface is smoothed, use a moist cloth to remove any remaining polish.

If you've got a particularly deep scratch that you cannot get rid of, think about purchasing some special non-abrasive glass polish. It can be purchased at any DIY store and must be applied according to the directions on the packaging. Alternately, you can apply nail polish to smooth the area and cover any shallow scratches on the glass of your window. Ensure that the nail polish is clear and is only applied to the scuffed part of your window.

Haze

The appearance of fog in your double-pane window indicates that the airtight seal between the two glass panes has been damaged. This needs to be fixed immediately so that dirt and moisture are not able to accumulate between the glass panes. This could damage the glass and reduce its transparency.

There are a variety of ways to eliminate haze from your double pane windows. One option is to apply a spray to defog the windows. This is a temporary solution. If you are looking for a permanent fix, you should contact a professional glass company. They can repair the issue or replace the gaskets as needed.

Another way to get rid of the problem of haze on double-glazed windows is to drill small holes into the window frame, using a carbide-tipped drill. You can then insert desiccate packs into these holes, and then wash the window with rubbing-alcohol. The water will help remove the haze off the upvc window repairs and cleanse it.

It's essential to ensure your windows are maintained and regularly cleaned to avoid fogging. This will keep the double panes clean and let you enjoy the beautiful view of your backyard or home. In addition, ensuring that your home is ventilated is also beneficial. This will ensure that any condensation is quickly removed, rather than allowing it to settle and reseal the window.

You should not only clean and maintain your windows regularly, but also ensure that they are installed correctly. The installation of your windows should be carried out by a reputable glazing company. This will ensure that the gaskets and seals are installed correctly and fit tightly. It's a good idea get your windows repaired in the shortest time possible before they begin to show signs of wear out. This will prevent expensive double pane window repairs.

In general, double-glazed windows with insulation are built to last for around 20 years. They are designed to stand up to different weather conditions such as extremely cold temperatures, high temperatures, humidity and repeated openings and closings. However, it's important to keep in mind that the standard time-to-life of double-glazed windows may be reduced by improper installation or faulty materials.