energy efficiency

Why Double Glazed Windows Repairs Is Fast Becoming The Hottest Trend Of 2023

7 min read

Double Glazed Windows Repairs

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

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

Broken Panes

When a window pane is broken and shattered, it loses its insulation and could cause draft. If the dividing muntins are broken it can cause moisture to escape between the glass panes, resulting in condensation, mold and mildew and making your home less energy efficient. It is recommended to have a professional repair a broken window to ensure the best seal and energy efficiency.

Firstly, you’ll need to take the broken glass off. Start by placing a protective drop cloth under the broken window and then cutting around the perimeter of the pane using an inexpensive glass cutter (available in a majority of hardware stores). Before you begin, grease the cutter of this tool using an oil that is light. This will prevent the glass from shattering too easily. The ball-shaped tool can be used to break the fragments. They should fall off fairly quickly.

Scrape any old glazing compound from the recess of the frame once the glass has been removed. This will reveal the glazier’s facets and metal clips that hold the pane in the frame. Replace them if there’s any corrosion. If the window is constructed of wood, the glazier points can be reused if they’re still in good shape.

The remaining frame must be prepared to allow reflazing. Utilizing a caulking gun apply a continuous ribbon of compound around the inside edge of the recess. Use a high-quality putty, such as Glazier’s compound in cartridge. It should dry before reinstalling the glass. If the frame has metal clippings, they must be replaced as well. Finally, reinstall the divider muntins.


Condensation is a concern for double-glazed windows, particularly in winter. It’s usually caused by too much moisture in the home, with warm air meeting cold glass, which turns into water droplets, and settles in the corners of your windows or across the frame. This can be prevented by opening windows more frequently and improving ventilation by installing extractor fans, and using dehumidifiers to reduce moisture levels. If condensation persists you should contact a professional who can diagnose the issue and fix or replace the windows if needed.

Condensation on a double-glazed window is a sign the seal has failed. This is because the vacuum seal that was applied by the manufacturer may become degraded in time, window replacement near Me allowing cool air to flow between the panes. This could lead to fogging of the window, and eventually mold growth if it is not addressed promptly enough.

As a quick fix for condensation, you could try using hair dryers to dry the excess moisture. However, this is only temporary solution and should only be used only as a last option. If you let the condensation sit for too long, it could cause dampness or mould in 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, then clean the gaps and pipe into hot air to evaporate any lingering moisture. During this process, they’ll also check for damage, mildew or mould growth, and then apply a draught-proofing treatment to ensure your windows are operational and energy efficient again.


Rubber seals can get worn out in time and create a draft between your two panes. It’s a simple fix to replace the gaskets, which will create an airtight seal. This will keep warm air in your home and the colder air outside, saving you money on your energy bills.

Double glazing that is misted may be a sign of blown seals. The unit is comprised of two glass panes filled with argon separated by a spacer to create an airtight window. If the seal has been blown it allows water vapour to pass through your home through the gap, causing condensation between the panes that can’t be removed.

This is a straightforward issue to repair and windows can be quickly replaced by experts using the right tools. The expert will employ an instrument designed to push into the new seals. This is usually quicker than doing it by hand. These tools have an angled tip that can be used to push seals into corners.

In certain cases, a professional might be able to “reseal’ your windows by drilling a small hole into the window replacement near me ( and then adding the desiccant material, or putty. This can be an economical alternative to replacements and will offer a reliable draught-proofing solution for double glazing.

Faulty Hinges

Many people have experienced misted double glazing. It may be caused by a broken seal, or a crack in the glass, or a problem with the mechanism or frame. It is usually possible to fix this problem. This usually involves making a seal between the two glass panes. The new seal will stop condensation, draughts, and leaks from occurring.

If you spot any issues, you must contact the company that sold you your windows. It is important to notify the company in writing and request confirmation that they have received your notice. Having everything in written form will help later on should any disputes arise, as it is easier to prove that you did complain.

In certain situations the window repair expert may be able to drill a hole in your windows to draw out moisture and make an entirely new seal. This is a temporary fix and will not stop the return of moisture. It may also be possible to replace the glass part, which will make it watertight.

Make sure that you only try DIY fixes only if your skills and experience are adequate. Super glue or other DIY solutions can cause more damage over the long term. If you aren’t sure what to do, it’s always advisable to seek out professional advice. You can locate an expert local to you who can offer double glazing repair by entering your postcode into the search box on Checkatrade. All of our tradespeople are verified and checked for accuracy which means you can rely on that they will provide you with a top quality service.

Broken Seals

Double glazed windows are held in place by seals on windows or gas. Many factors can cause them to break, including age, weather conditions and power washing, so it’s important to know what the symptoms are and what to do to fix them.

When a window seal breaks it allows humidity to seep in between the two glass panes and create fog. This is a common issue that can cause the window appear distorted. If the seal is damaged, any argon or other inert gas is removed from the glass, further decreasing its insulation properties.

A broken window seal can be fixed by replacing it with a the new one by an experienced glazier. This can be expensive and may not solve the fog issue. Certain companies offer defogging solutions, which involve placing a special vacuum pump in the window frame to eliminate the moisture and make the glass clear. However, this method is not 100% reliable and cannot replace any inert gases, meaning that the fog can come back.

If the IGU (insulated unit) is beyond repair, a glazier could 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 that offers a warranty for replacement windows to ensure that any problems are protected. You can be certain that your investment will yield the best results. You can also avoid this issue by choosing an item of high-quality and following the care instructions given by the manufacturer. This will prolong the life of your window and minimize the need for repairs.

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