How to Repair Double Glazed Windows

Typically double glazing comes with a warranty of either 10 or 20 years. If your double-glazed windows are showing signs of aging, you may be eligible to be repaired under warranty.

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

Damaged Glass

A seal that is airtight is vital for double pane windows to function properly. The condensation between the glass plates is a typical sign of a failing seal. Condensation between glass plates is not a major issue and can be resolved, but it's an indication that your glazing unit is in need of replacement. If you have an older double-glazed window, this may mean replacing both the glass and the frame. If your frame is in good shape, you may be able to save money by simply replacing the glass.

Double-paned windows can crack due to the fragility of glass. If the cracks aren't caused by mechanical damage or a sudden impact, it's usually possible to repair these cracks using epoxy and a tiny amount of elbow grease. Follow the instructions of the manufacturer and scrub the crack with a moist cotton cloth. Then, apply epoxy to the crack. Let the epoxy completely dry before painting and sanding the repaired area.

A simple strip of masking tap can also be used to stop a crack from spreading. A single strip of masking tape placed on each side of the crack should suffice to stop cracks that appear superficial from spreading, for instance stress-cracks that are caused by low temperatures. If you're dealing with deeper cracks that are already forming in your glass, it may be best to call an expert to ensure the safety of the repair.

It's risky and difficult to replace a single pane of a double-paned window. Double-pane windows are constructed as a complete unit and sealed in the factory using inert gas. Therefore, it is impossible to remove the glass without damaging the entire window. If you're planning to replace glazing in your double-pane windows, ensure that you select a high-quality brand with a solid warranty.

You can also apply newspaper to protect the window frame prior to when you remove the sash, or replace any broken glass. This will shield your from any sharp glass shards which could fall in the process. It will also prevent any damage to the molding or trim of your home.

Condensation Build-Up

The good fact is that condensation between window panes is normal. It is caused by an imbalance in temperature and humidity of the air. The water vapour in air condenses when it comes in contact with cold, inaccessible surfaces like windows. This is usually a good thing during winter because it stops heat loss.

If you notice that your windows are looking cloudy with a film of moisture on them, it's time to call in an expert glazier. This is an indication that the 'air gap' seal between the two glass panes has started to degrade and allowing moisture into the window.

You can stop this by using dehumidifiers, improving ventilation, or applying de-icing agents. There are companies that will remove excess moisture from double-glazed windows through drilling into the frame and injecting desiccant. This is a more complex procedure that requires the sealed unit to be removed from the frame, opening up each pane of glass and thoroughly cleaning them, then refilling with desiccant before sealing them back up. This is typically more expensive, however it is worth checking whether the company you use is fully insured and registered with FENSA.

It is crucial to remember that tampering with double-glazed windows isn't advised and will invalidate any guarantees. If you have a warranty on your windows, it is best to inform the company of any issues as they will be responsible for replacement units under warranty. Also, any damage incurred through tampering will likely not be covered under your warranty, so it is recommended to seek expert advice before making any DIY repair. This is especially true for older units, as they are sometimes more likely than modern ones to fail. If this happens, it's probably recommended to replace the entire glass panel. The windows will then be brand new that will last many years.

Scratches

Double-glazed windows aren't impervious to scratches. This could be the result of environmental conditions or can even be caused by the manner in which the window was initially installed.

Most scratches are not that severe and can be repaired with some home remedies. If you can feel the scratches on your windows with your fingernail, or if they are deep, it is recommended to consult an expert to restore the glass to its original condition.

Superficial scratches are caused by objects that scrape against the glass surfaces of your windows like tree branches, pet claws and abrasive substances used for cleaning. These scratches are usually removed using non-abrasive materials like iron oxide and polishes made from cerium dioxide. You will require these products until the scratch disappears.

Scratches may also occur when you sand wood trim around your windows. They can also occur during construction. These can be difficult to repair, but a little bit of baking soda and water will help smooth out the surface and eliminate any remaining scratches.

Metal polish can be used to remove more severe scratches. Add a small amount to cotton balls, or a clean microfibre cloth and Fitters gently rub the area with a circular motion. Be cautious not to apply too much pressure since this could cause damage to the glass. Once the area is smoothed, use a damp cloth to wash away any remaining polish.

Think about purchasing a non-abrasive glass polish if you have a deep scratch you cannot seem to remove. This can be bought at any DIY store and must be applied in accordance with the directions on the packaging. You can also use nail polish to smooth the area and cover any shallow scratches that your window glass may have. Make sure that you only apply the nail polish to the area that is scuffed.

Haze

The presence of haze in your double-paned window means that the seal between the two panes is broken. This should be repaired as soon as you can so that moisture and dirt are not able to accumulate between the glass panes. This can cause damage to the glass and lead to a reduction in transparency.

There are a variety of solutions to fix haze in your double pane windows. Make use of a defogging product. However, this is just an interim solution. If you're looking for a permanent solution, seek out a professional glazing company that can fix the issue and replace the gaskets if needed.

A carbide-tipped tool may be used to make small holes in the window frame to remove the haze. Then, you can tuck in a desiccate bag into these holes and rinse the window with rubbing alcohol. The water will help remove the haze off the window and clean it.

To avoid fogging, you must keep your windows clean and maintained by cleaning them regularly. This will keep your double glazing repairs near me panes clear and Fitters allow you to enjoy the beautiful view of your home or garden. It is also important to ensure that your home has adequate ventilation. This will ensure that any condensation gets sucked away, rather than being allowed to settle and reseal the window.

It is not enough to clean and maintain your windows on a regular basis and make sure that they are properly installed. Installing your windows should only be completed by a glass company with expertise. This will ensure that the seals and gaskets are installed properly, and fit tightly. It's also recommended to get your windows repaired as soon as you can, before they start to show signs of wear and tear. This will save you from costly double pane window repairs.

Generally, insulated double glazed windows are constructed to last for around 20 years. This is because they're designed to withstand a variety of weather conditions, including very cold temperatures, high heat, humidity and frequent closing and opening. It is crucial to remember that an improper installation or defective material could reduce the life span of double-glazed windows.