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11 "Faux Pas" That Are Actually Okay To Use With Your Repair Double Glazing
How to Repair Double Glazed Windows

Many properties with double glazing have issues like condensation, a decrease in insulation quality and windows that become difficult to open. These issues are usually the result of a problem with the hinges, mechanisms or handles.

Repairing these windows is possible by following a few simple steps.

Cracked Panes

A double-paned window that is damaged is a major issue that must be addressed immediately. Triple- and double-pane windows are insulated using gases that keep warm air in the winter and cold air out. So, when one of these panes breaks, that gas escapes and your home is less protected. Cracks can get worse over time. Repairing them now can prevent a more serious problem in the near future.

When a crack is discovered, the most important thing is to identify what caused it. The most commonly cited cause is a structural issue that can lead to the break, but it's possible that the cause was an impact of some sort. In this situation, it is important to examine your other windows for damage to determine the next steps.

You should also inspect the area around your home to determine whether there are any other issues that could be contributing. For instance the windows are situated near walls and doors, the stress of contraction and expansion caused by temperature changes may cause cracking.

There are several ways to repair a crack depending on the cause. For example, if it was caused by an impact, you might be able to get away with replacing just the broken pane of glass. In other cases, you may have to replace the entire window frame. This is a more complicated solution, and it requires the help of a professional.

If you've got a crack in the glass that didn't cause the frame to shift, then it's generally easy to apply adhesive between the damaged panes. This can repair the crack and preserves your window from future problems and is certainly worth a try in this situation.

Covering the crack with clear tape is a different option. It's not the most appealing solution, but it does stop bugs and drafts from entering your home. An alternative is the glass repair film which is designed to be quickly applied and provides more robust protection. This is available from many double glazing companies and is worth the investment to safeguard your windows.

Condensation Build-Up

Double glazing windows needing to be repaired are often because of condensation between the panes. This is because it usually indicates that the seal between the panes of windows has failed which allows water vapour to get in. This moisture can cause condensation, as well as other issues which may require replacement of the window.


Double glazing is much better in decreasing condensation than single pane windows since it features an area between the glass which is filled with air or gas that is non-toxic. The space is separated from the window frame by a spacer bar, which acts as an insulator and helps stop heat loss. In many instances the spacer bar is filled with silica gel which is extremely effective at collecting moisture and stopping it from getting between the glass panes.

This is the reason it is important to wipe down your windows on a regular basis and keep them clean, as this will minimise the amount of condensation that forms and allows it to evaporate. Opening windows and using extraction fans can help to remove moisture.

Installing a dehumidifier is a different way to combat condensation. They are available for purchase at between PS60-PS150. They are a wise investment that will not only reduce condensation but prevent mould growth in your home, too.

Condensation may occur between the glass panes in your double glazing due to the outer air may be colder than the interior window pane. This causes the surface of the glass to cool and produce condensation. It could also happen when you change the temperature in your home, for instance by turning on or off the heating.

In reality, condensation may be an indication of a poor double glazing design as some of the older units are constructed using rubber strips instead of the more modern silicone variety, which can deteriorate over time. In certain cases it is possible to repair your seals but it's worth noting that this will only offer a short term solution as the window will eventually break down in another location, which means you'll need to replace it in the future.

Stained Glass

It is possible to repair a double-glazed window handle locking mechanism rather than replace the entire glass pane. This is not a simple DIY project, as you'll require specialized tools to ensure that the repair is done correctly.

The most common complaint from double glazing owners is that their doors or windows are becoming difficult to open and close. This is typically caused by a slight warping of the frame or hinges but can also be due to problems with the sealing. It is possible that the problem is more serious and you should speak to an expert to discuss the options.

Another frequent complaint is the development of condensation between the glass panes. This could be an indication of a faulty seal that isn't retaining the gases that are insulating between the glass panes. This is an easy fix and the gas insulating the panes can be replaced with an adhesive that is specifically designed to close the gap between the panes.

Place the window that has been damaged on a flat surface. Remove the black sealant, revealing the silver spacer bar. cut it using a sharp knife, making sure to stay beneath the glass's bottom and silver spacer bar. Once you have separated the two pieces, place the top glass pane on your work surface. It is recommended to use gloves for this step. Clean the glazed side that faces the frame, as well as the spacer frame. Be sure to clean away any marks and smears, as they could affect the sealing of the window when it is reassembled. And lastly, place the new spacer onto the glass pane. Spread some adhesive around the edges to help it adhere to the glass and silver frame. Let the adhesive dry before assembling. This is usually a job for two since it can be tricky to align everything.

Gasket Seals

Double glazing is designed to last for many years, but there are still some issues that can occur. From repairs to upvc windows to problems in closing or opening, it is important to have any faults fixed as soon as possible to prevent them from becoming worse.

Condensation between the two panes is among the most common issues double-glazed owners report. It is usually due to an issue with the desiccant which absorbs moisture from the air inside the gaps that are insulated. Once the desiccant has failed it can cause condensation to form in minutes and form a dark line across the windows.

Another issue could arise if the gasket seal is not able to keep water and other contaminants from leaking into the insulated gap. This could lead to leaks around the edges of the frame and could also cause damage to the surface of the double-glazed unit itself. Contact your installer right away if you observe any indications that your double-glazed units leak.

A lot of companies offer a warranty for their products. These warranties typically have a guarantee period of 10, or even 20 years. Some companies even offer lifetime assurances. It is crucial to verify the terms of your guarantee to find out what it covers and when it expires.

You may want to test and solve any hardware issues yourself before making contact with a double glazing company. For example, you can try cooling the mechanism or lubricating it to see if it resolves the issue. Alternatively, you can try taking off the handle or window handle and cleaning it before putting it back in the correct position.

Contact your local council to find out whether they have grants available to assist you in the replacement or repair of your double-glazed windows. There are many different methods to apply and certain areas will require a certain form of application or proof of eligibility, so it is best to check with your local authority before making a decision on the best way to proceed.

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