How to Repair Double Glazed Windows

Double glazing is typically covered by a warranty of 10 or 20 years. If your double-glazed windows are showing signs of aging, you may be eligible for them to be replaced under warranty.

Double-glazed window repairs require replacing the glass unit. The seal is failing when you notice mist.

Damaged Glass

Double pane windows rely on an airtight seal to perform correctly. The most frequent indication that a seal is failing is the formation of condensation between the glass plates. Condensation between glass plates are not a major problem and can be resolved, but it's a sign that your glazing unit needs replacing. If you have a double-glazed window that is older, it may be necessary to replace both the glass and window repairs the frame. If the frame is in good condition however, you can generally save money by replacing just the glass.

Double-paned windows may develop cracks because of the fragility of glass. If the cracks aren't caused by mechanical damage or an unusual impact, it's possible to repair the cracks using epoxy and a small amount of elbow grease. Begin by cleaning over the area that is cracked using a moist cotton rag and then apply epoxy to the crack following the manufacturer's instructions. Allow the epoxy to fully dry before applying paint and sanding to the repaired area.

It's also possible to prevent a crack from spreading with the use of a strip of masking tape. A single strip of masking tape on both sides of the crack should suffice to stop cracks that appear superficial from spreading, such as stress-cracks that are caused by low temperatures. If you're dealing more serious cracks that are already forming in your glass, it might be better to contact a professional to ensure the safety of the repair timber windows.

It is dangerous and difficult to replace a single pane of a double-paned window. Double-pane windows are made as a complete unit, and sealed in the factory with inert gas, so it would be impossible to remove the glass without damaging the entire window. If you're planning to replace glass in your double-pane windows, ensure that you use a quality brand with a solid warranty.

You can also use newspaper to protect the window frame before you remove the sash, or replace any broken glass. This will shield yourself from sharp shards of glass that may fall during the process, and it'll also help to avoid any damage to the trim or molding of your home.

Condensation Build-Up

The good news is that condensation between window panes is normal. It's due to a gap between the temperature of the air and humidity levels, which causes water vapour in the air to condense when it comes in contact with cold impenetrable surfaces such as windows. Usually this is a good thing, especially in winter as it prevents loss of heat.

However, if you're noticing that your windows are appearing cloudy with a film of water on them, it's the time to contact an experienced glazier. This is a sign that the 'air gap' seal between the two glass panes is beginning to break down and is letting moisture into the window.

You can stop this from happening by using a dehumidifier or a fan, enhancing ventilation, or using a de-icing agent. There are also companies that can eliminate excess moisture from double-glazed windows by drilling into the frame and injecting desiccant. This requires removal of the sealed unit from the frame and cleaning each glass pane before refilling the desiccant. This is typically more expensive, but it's important to make sure the company you choose is insured and registered with FENSA.

It is important to keep in mind that altering your double-glazed windows isn't 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 of any issues that arise, as they will be accountable for the replacement of windows under warranty. It is recommended to speak with an expert before attempting any DIY repairs. This is particularly the case for older units as they are sometimes more prone than newer ones to fail. It's best to replace the entire glazed panel in the event of this. You'll then have brand-new windows that will last many years.

Scratches

Double glazed windows are not impervious to scratches. This can be a result of environmental conditions or could be caused by the manner in which the window was initially installed.

Most scratches are minor and can be easily fixed with a few simple remedies. If you can feel the scratches on your windows using your fingernail, or if they are deep, it's best to seek out an expert for help in restoring the glass back to its original state.

These scratches are caused by objects such as pet nails, tree branches and cleaning products which are abrasive rub against the glass of your windows. Most of the time, these scratches can be eliminated using some non-abrasive solutions like iron oxide or cerium oxide polishes which you'll need to continue using until the scratch is gone.

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

Metal polish can be used to eliminate deeper scratches. Add a small amount to a cotton ball, or a clean microfibre cloth and gently rub the area with a circular motion. Be careful not to apply excessive pressure, because this could cause further damage to the window. Once the area is smoothed, apply a damp cloth to wash away any polish residue.

Consider purchasing a non-abrasive special glass polish if you have an incredibly deep scratch that you cannot remove. It is available at any DIY retailer. Follow the directions on the package. You can also use nail polish to cover any scratches on the glass of your window. Make sure that you only apply the nail polish to the area scratched.

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. This must be fixed immediately so that moisture and dirt don't build up between the glass panes. This can damage the glass and reduce its transparency.

There are a variety of options to remove haze from your double pane windows. Use a defogging solution. This is a temporary solution. If you're looking for a long-lasting solution, you'll need to get in touch with a professional glazing business that 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 window frame, using a carbide-tipped drill. You can then tuck the desiccate packet inside these holes and then wash the window with ruby alcohol. The water will help to clear the haze and clean the window.

It is essential to keep your windows well maintained and regularly cleaned to prevent fogging. This will keep the double panes clean and allow you to take in the stunning view of your home or garden. Additionally, making sure that your house is ventilated can also be beneficial. This will ensure that any condensation is quickly removed, instead of being allowed to settle and reseal the window.

You should not only clean and maintain your windows frequently, but also ensure that they're installed correctly. The installation of your windows should be performed by a glazing company with years of experience. This will help to ensure that the gaskets are fitted properly and have a tight fit. It is also recommended to get your windows repaired as quickly as you can before they start to exhibit signs of wear and tear. This will prevent costly repairs to double pane windows.

Typically, insulated double-glazed windows are designed to last for around 20 years. They are designed to withstand various weather conditions, including extremely cold temperatures, high temperatures and humidity as well as frequent openings and closings. It is essential to be aware that an improper installation or defective material could reduce the life span of double-glazed windows.