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Double Glazed Windows Repairs

There are many reasons your double-glazed windows may require repairs such as condensation between panes, to dropping or sagging frames. Fortunately, the majority of these issues can be fixed.

Try lubricating the hinges, handles and mechanism of your window or door in case it is hard to open. This is usually a simple temporary fix.

Broken Panes

When a window pane is damaged and shattered, it loses its insulation properties and may cause drafts. If the muntins that divide the glass panes are also broken, water can leak between them causing condensation, mould or mildew. This can make your home less energy efficient. A broken window is best repaired by a professional to ensure you get the correct seal and maximum energy efficiency.

The first step is to remove any broken glass. Start by placing an inexpensive glass cutter from a hardware store under the broken pane. It's a good idea to grease the cutter with light oil prior to when you begin. This will prevent the glass from breaking too easily. Then, you can use the tool's ball-shaped end to loosen the fragments and they should fall away quickly.

After the glass has been removed, scrape any old glazing compound that has accumulated in the recess area of the frame. This will expose the metal clips and glazier's pins that keep the glass in place. Replace them if you notice any corrosion. If the window is made of wood the glazier points may be reused if they're still in good shape.

The surface of the remaining frame needs to be prepared to allow re-glazing. Using a caulking gun, apply a continuous strip of compound along the inside edge of the recess. Make use of a premium putty such as a Glazier's compound that is contained in a cartridge. It should dry before reinstalling the glass. Reinstall the metal clips if they are on the frame. Install the dividers.

Condensation

Condensation is a frequent issue that double-glazed windows face particularly in wintertime. It's usually caused by high moisture levels within your home. Warm air meets cold glass, which condenses into droplets of water. They then settle in the corners or frames of the window. You can avoid this by opening your windows more often and improving ventilation with extractor fans, and utilizing dehumidifiers. If condensation persists it is recommended to contact an expert who can identify the problem and repair or replace the windows if needed.

Condensation in a double-glazed glass window is a sign the seal has failed. This is because the vacuum seal that was applied by the manufacturer will be damaged in time and allow cool air to move between the panes. This could cause the window to fog up and eventually develop mold if it's not addressed promptly.

A hairdryer can be used as a quick solution to get rid of excess moisture. But, this is only temporary solution and should be used as the last option. If the condensation is allowed to sit for too long it may be experiencing mould or dampness in your home, which should be dealt with by a professional.

Professionals can reseal your double-glazed window to provide a longer-lasting solution. They will remove the affected glass pane and clean the gap. They'll then pipe hot air into the area to eliminate any moisture. During the process, they'll examine for any the presence of mildew, mold or damage growth, and then apply a draught-proofing treatment to ensure your windows are completely operational and energy efficient again.

Draughts

Rubber seals may wear down over time and cause drafts between the two panes. This is often a simple problem that can be solved by re-installing the gaskets and this will result in a solid and airtight seal once again. This will keep the warm air in your home, and the colder air outside, saving you money on your energy bills.

Misted double glazing indicates that the seals in your sealed unit (sometimes called a DGU) have blown. The unit consists of 2 panes of glass that are separated by an insulating bar that creates an insulating gap and then filled with gas, such as argon for example, to make the window airtight. If the seal has been blown it allows water vapour to pass through your home through the gap, causing condensation between the panes which is not able to be cleaned off.

This is a straightforward issue to fix and windows can be easily replaced by experts using the right tools. The professional will employ an instrument designed to push into the new seals. This is typically faster than doing it manually. These tools also have a pointed end which can be useful for pushing seals into the corners.

A professional could be able to seal your windows' by drilling a small opening in the window, and then adding a desiccant, or putty. This could be a more cost-effective solution than replacements and will give you an effective protection against draughts for double glazing.

Faulty Hinges

Misted double glazing is a typical problem that many people experience. It may be caused by a broken seal or crack in the glass, or an issue with the frame or mechanism. It is often possible to fix this problem. Normally, this involves making a new seal between the two panes of glass. The new seal will stop condensation, draughts, and leaks from happening.

Contact the company through which you purchased your windows and tell them of any problems immediately you discover them. Be sure to do this in writing and ask them to confirm that they have received your message. Writing everything down will be helpful later if any disputes arise, because it will be easier to prove that you did complain.

A window repair specialist might be able to drill a hole in the gap between your windows to remove moisture and create the seal. This is a temporary fix and won't stop moisture from returning. It is also possible to replace just the glass, which would make it watertight.

Be aware that you should only attempt DIY fixes only if your skills and experience are adequate. Super glue or other DIY solutions can cause more long-term damage. It is recommended to seek help from a professional in case you are unsure of what to do. You can find an expert in your area who can provide double glazing repairs by entering your postcode in the search box on Checkatrade. All of our tradespeople have been fully checked and vetted and you can trust them to provide top-quality service.

Broken Seals

Double-glazed windows are held in place by seals for windows or insulation gas. Many factors can cause them to break, such as weather conditions, age and power washing, so it's important to know what the signs are and how to repair them.

If a window seal is damaged humid air can get between the two panes of glass, causing fog. This is a frequent issue that can also make the window appear disfigured. If the seal is damaged, any argon or other inert gas is lost from the glass, diminishing its insulating properties.

A broken window seal can be fixed by replacing it with an entirely new one by a professional glazier. However, this can be expensive and may not solve the fog issue completely. Some companies offer defogging services which include putting an air pump inside the window repair near me frame to eliminate the moisture, leaving the glass clean. However, this method is not foolproof and does not replace any inert gas, and the fog can be re-applied.

A glazier can also replace the entire IGU (insulated glass unit) when it's beyond repair. This is usually the most cost-effective option, and can be a good choice in the event you're seeking the long-term solution. But, it's best to choose a firm with a guarantee for replacement windows to ensure that any problems are covered. You can be certain that your investment will produce the most effective results. You can also attempt to avoid this issue by choosing a high-quality window and following the manufacturer's care instructions. This will prolong the life of the window and reduce the amount of repairs.