How to Repair Double Glazed Windows

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

Double-glazed window repairs require resealing the glass unit. Misting is a clear sign that the seal is broken and you will need to have it fixed.

Glass that is damaged

Double pane windows depend on an airtight seal to function correctly. The most typical sign that a seal may be 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 a sign that your glazing 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 in good condition it is possible to save money by simply replacing the glass.

Double-paned windows may develop cracks due to the brittleness of glass. If the cracks were not caused by mechanical damage or a jarring impact to the window they can be fixed with epoxy and some elbow grease. Follow the instructions of the manufacturer and clean the cracked area using a wet cotton cloth. Then apply the epoxy to the crack. Allow the epoxy to fully dry before sanding and painting over the repaired area.

It's also possible to prevent a crack from spreading with a simple strip of masking tape. A single strip of tape on both sides of the damaged area is enough to prevent superficial cracks, like stress cracks caused by low temperatures, from getting worse. If you notice deeper cracks in your glass that are already present, it's recommended to speak with a professional for the repair.

The process of replacing one pane of double-pane windows is a difficult and dangerous DIY task. Double-pane windows are manufactured as a complete unit, and window repairs sealed in the factory with inert gas, so it is impossible to remove the glass without causing damage to the entire window repair. If you're planning to replace the glazing in your double-pane windows, be sure to use a quality brand that comes with a solid warranty.

It's also recommended to cover the window frame with newspaper before you attempt to take off the sash, and then replace any broken glass. This will shield your from any glass shards that may fall during the process. It also helps prevent any damage to the trim or molding of your home.

Condensation Build-Up

It's good to know that condensation on window panes can be completely normal. This is due to a difference between the temperatures and humidity of the air. The water vapour in air condenses when it comes into contact with cold, impenetrable surfaces like windows. Usually this is beneficial, especially in winter as it prevents loss of heat.

If you notice that your windows are appearing cloudy with a film of moisture on them, it's the time to contact a professional Glazier. This is a sign that the 'air gap seal between the two glass panes has started to degrade and allowing moisture into the window.

You can stop this from happening by using a dehumidifier, improving ventilation, or using a de-icing agent. There are also specialists who can fix condensation build-up in double-glazed windows by drilling holes into the window unit and pumping or injecting a specific desiccant to eliminate the excess moisture. This is a more complex process that requires the sealed unit to be removed from the frame, opening up each glass pane to clean them thoroughly, then refilling with desiccant before sealing them back up. This is usually a more expensive option but it is worth checking whether the firm you choose to use is insured and is registered with FENSA.

Be aware that altering your double-glazed windows could cause the windows to be void of any warranties. If you have a guarantee on your windows, it's best to let the company know about any problems that arise since it is responsible for replacing units that are covered under warranty. Additionally, any damage that is caused through tampering will likely not be covered under your warranty either, so it is recommended to seek out expert advice prior to trying any DIY repairs. This is particularly applicable to older units as they are sometimes more prone to failure. It is recommended to replace the entire glass panel in case this happens. You'll then have brand-new windows that will last for a long time.

Scratches

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

Most scratches are superficial, and can be fixed by using a few home solutions. If you can feel the scratches on your windows using your fingernail or when they are very deep, it is recommended to seek out an expert for help in restoring the glass back to its original condition.

Superficial scratches are caused by objects scraping against the glass surface of your windows like tree branches, pet claws and abrasive materials used when cleaning. Usually, scratches can be eliminated using some non-abrasive solutions like iron oxide or cerium oxide polishes which you will have to continue using until the scratch is not visible anymore.

Scratches can also occur while finishing sanding wood trim close to your windows. They can also happen during construction. These scratches are often difficult for you to fix. However, a mix of baking soda and water can help smooth out the surface after buffing and eliminate any remaining scratch.

Metal polish can be used to remove deeper scratches. Add a small amount of the product to a microfibre or cotton cloth and gently rub the affected area in a circular motion. Be cautious not to apply too much pressure, as this could cause further damage to the glass. Once the area is smooth, use a damp cloth to remove any remaining polish.

If you've got a deep scratch that you can't remove, you should consider purchasing some special non-abrasive glass polish. This can be bought at any DIY store and should be applied following the directions on the packaging. Alternatively, you can use nail polish to smooth the area and cover any minor scratches that your window glass may have. Ensure that the nail polish is clear and that it is only applied to the scratched part of your window.

Haze

The presence of haze within your double-paned window means that the seal between the two panes is broken. This must be fixed immediately to ensure that moisture and dirt don't build up between the glass panes. This could cause damage to the glass and result in a reduction in transparency.

There are many options to remove the haze on double pane windows. One option is to apply a spray to defog the windows. However, this is only an interim solution. If you're looking for a long-lasting solution, seek out a professional glazing company that can fix the issue and replace the gaskets if needed.

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

It is vital to ensure that your windows are maintained and regularly cleaned to avoid fogging. This will keep your double panes clear and allow you to enjoy a beautiful view of your backyard or home. It is also important to ensure that your home has adequate ventilation. This will help to ensure that any condensation is swiftly sucked away, rather than being allowed to settle and reseal the window.

In addition to regular cleaning and maintenance In addition, you must make sure that your windows are properly installed. Installing windows should only be done by a glazing company with years of experience. This will ensure that the seals and gaskets are fitted correctly, and that they fit securely. It's a good idea to get your windows repaired as soon as you can before they begin to show signs of wear out. This will save you from expensive double pane window repairs.

Generally, insulated double glazed windows are built to last for around 20 years. This is because they're designed to withstand various weather conditions, such as extremely cold temperatures, high heat, humidity and frequent closing and opening. It is crucial to remember that faulty installation or material could reduce the life span of double-glazed windows.