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Double Glazed Windows Repairs

Double glazed windows can need repair for a variety of reasons, including condensation between the panes, draughts or frames that are sagging. Many of these issues are fixable.

If your window or door repair is difficult to open, consider oiling the hinges, the mechanism and handles. This is usually a cheap, short-term fix.

Broken Panes

When a window pane breaks it loses its insulation properties and may cause draft. If the muntins which divide the glass panes are broken, moisture can be leaking between them, causing condensation and mildew, as well as mould. This will make your home less energy efficient. It is recommended to have a professional repair a broken window to ensure the best seal and energy efficiency.

First, you'll need to take the broken glass off. Start by placing an inexpensive glass cutter from an hardware store underneath the broken pane. Before you start, make sure to lubricate the cutter of this tool using an oil that is light. This will prevent the glass from shattering too easily. The ball-shaped tip of the tool can be used to loosen the fragments. They should come off relatively quickly.

After the glass has been removed, scrape away any glazing compound that is old from the recess area of the frame. This will reveal the glazier's facets and metal clips that keep the pane in place. If there's any indication of corrosion, these clips should be replaced with new ones. If the window is made of wood the glazier's gilder's points can be used again if they're in good condition.

The remaining frame needs to be prepared to allow reflazing. Using a caulking gun, apply a continuous ribbon of compound around the inner edge of the recess. Use a high-quality putty like glazier's compound that comes in a cartridge, or a standard compound that is sold in a can. Let it dry before installing the glass. If the frame is made of metal clippings, these should be reinstalled too. Finally, install the dividers.

Condensation

Condensation is a concern for double-glazed windows, especially during winter. It's usually caused by excessive moisture in the home, with warm air meeting cold glass. This then condenses into water droplets and then collects in the corners of your windows or across the frame. This can be prevented by opening windows more regularly and enhancing ventilation with extractor fans, and using dehumidifiers to reduce moisture levels. If condensation continues to occur, you should call an expert who can identify the issue and fix or replace the windows if necessary.

It's also important to know that condensation on windows with double glazing could be a sign of a leaky seal. The vacuum seal applied at the factory can wear out over time and let cool air get between the panes. This could cause the window to become cloudy and eventually develop mold if not addressed immediately.

For a quick fix to condensation, you can try using hair dryers to dry the excess moisture. This is a temporary fix and should be used only as a last alternative. If you allow the condensation to sit for too long, it may cause dampness or mould within your home. This issue should be dealt with by a professional.

For a more long-term solution you can have your double-glazed windows resealed by experts. They'll remove the affected pane of glass, clean out the gap and pipe into hot air to eliminate any lingering moisture. In this process, they'll examine for any damage, mould or mildew growth and apply a draught-proofing treatment to ensure your windows are completely operational and energy efficient again.

Draughts

As time goes by the rubber seals around the edges of your insulated glass can be damaged and cause a draught to form in the space between the two panes. It is an easy fix to replace the gaskets which will create an airtight seal. This will keep the warm air in your home, and the colder air out, thereby saving you cash on your energy bills.

Double glazing that has mist could be a sign of blown seals. The unit is comprised of two panes of glass that are separated by a spacer bar to create an insulating gap. Then, it is filled with gas, for example argon to make the window airtight. If the seal has blown it allows water vapour to enter your room through the gap, which will cause condensation between the panes that is not able to be cleaned off.

This is a simple issue to fix, and windows can be quickly replaced by specialists with the right tools. The expert will employ an instrument designed to push in the new seals. This is usually quicker than doing it manually. These tools also have a pointed tip which can be useful for pushing seals into the corners.

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

Faulty Hinges

Misted double glazing is a frequent problem that many people experience. It can be caused by a broken seal or crack in the glass, or an issue with the mechanism or frame. It is possible to resolve this issue. Usually, this means creating a new seal between two panes of glass. The new seal will stop condensation, draughts and leaks from occurring.

As soon as you notice any issues, you should contact the company that sold you your windows. You should inform the company in writing and request confirmation that they received your notification. Writing everything down will be helpful later if any disputes arise, as it will be easier to prove that you did complain.

In some cases, a window repair specialist will cut the hole in your windows to draw out moisture and create the new seal. This is only temporary and will not stop the return of moisture. It might also be possible to replace only the glass, which would make it watertight.

Be aware that you should only try DIY fixes with the knowledge and Window repair skills you have are sufficient. Super glue or other DIY solutions can result in more long-term damage. It is always best to seek help from a professional in case you are unsure of what to do. You can locate an expert local to you who can offer double glazing repairs by typing your postcode into the search box on Checkatrade. All of our tradespeople are thoroughly vetted and checked which means you can rely on them to provide a high-quality service.

Broken Seals

Window seals, or insulation gas fills, keep double glazed windows in place. They can be damaged by various elements, including weather conditions, age and power washing. It is essential to recognize the signs and how to repair them.

If a window seal fails humid air can leak between the two panes glass, causing fog. This is a common issue, and can cause the window to appear visually altered. If the seal is damaged it is when any argon or other inert gas is lost from the glass, reducing its insulating properties.

A broken window seal can be repaired by replacing it with the new one by a professional glazier. This can be costly and may not completely solve the fog issue. Some companies offer defogging which involves placing an air-pump inside the frame of the window to eliminate moisture and clear the glass. However, this method is not foolproof and does not replace any inert gas, and the fog may return.

If the IGU (insulated unit) is damaged beyond repair, a glazier may replace it. This is the most cost-effective method and is a good option if you're looking for a long term solution. It is recommended to choose a company who offers warranties on replacement windows. This will ensure that any issues that you might encounter are covered. This way, you can rest at ease knowing that you'll get maximum value for your investment. You can also get rid of the issue by choosing an item of high-quality and following the care guidelines given by the manufacturer. This will prolong the life of the window and decrease the number of repairs.