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How to Repair Double Glazed Windows

Many homes with double-glazing encounter issues like condensation, decrease in the quality insulation and windows that are difficult to open. These problems are typically a result of a fault with the hinges, mechanisms or handles.

You can repair these windows by following a few simple steps.

Cracked Panes

A double-paned window that is damaged is a major issue that must be addressed immediately. Double- and triple-pane windows are insulated with gases that ensure warm air is kept in during winter and cold air out. So, when one of these panes cracks the gas escapes and your home becomes less protected. Cracks can also become worse over time. Repairing them now will avoid a bigger problem in the near future.

The most important step to take when a crack appears is to determine what caused it. The most commonly cited cause is a structural issue which can cause the breakage, but it's also possible that there was an impact of a different kind. In this instance it is imperative to examine your other windows for damage and determine the next steps.

It is also recommended to check the area around your home for any other issues that could be contributing to the crack. For instance the windows are located near to other doors and walls and walls, the strain of contraction and expansion caused by temperature fluctuations could be the cause of cracking.

Depending on the cause of the crack, there are various ways to fix it. For instance, if the crack was caused by an impact, you might be able to do away with replacing just the broken glass. Alternatively, you might need to replace the entire window frame. This is a more involved solution and requires the assistance of a professional.

However, if you're dealing with a crack that didn't cause the frame move, it's normally simple to put an adhesive between the fractured panes. This will fix the crack and stop further damage to your window.

Covering the crack using clear tape is an alternative option. This isn't the best appearance, but it does stop bugs and drafts from entering your home. Glass repair film is an upgrade that can be applied quickly and provides a sturdy degree of protection. This is available from many double glazing companies and is well worth the investment to safeguard your windows.

Condensation Build-Up

Double glazing windows that need to be repaired are often due to condensation between the panes. This is because it typically indicates that the seal between the window panes has been breached which allows water vapour to enter. This moisture can cause condensation and other problems that could require replacement of the window.

Double glazing is superior in decreasing condensation than single pane windows since it features a space between the glass that is either filled with air or a non-toxic gas. The space between the glass and the window frame is separated by a spacer which acts as insulator. This prevents heat loss. In many cases, the spacer bar is stuffed with a silica gel, which is very effective at picking up moisture and preventing it from getting between the glass panes.

This is why it is essential to clean your windows on a regular basis and keep them clean because this reduces the amount of condensation that builds up and allow it to evaporate. Using extractor fans or opening the windows to increase air flow can help to remove moisture.

Another way to combat condensation is to install an air dehumidifier in your home. They can be purchased for between PS60-PS150. They are a good investment that will not only reduce condensation, but also prevent the growth of mould within your home, too.

Condensation between the glass panes of your double-glazing can occur due to the fact that the outer air is colder than that of the inner window pane, which causes the surface to cool down and create condensation. It can also occur when you alter the temperature in your home, for instance by switching off or turning on the heating.

However, condensation could also be an indication of a poor double glazing design because some older models are constructed with rubber strips instead of the more modern silicone type that can degrade over time. It is possible to repair your seals, but this is only a temporary fix because the window will eventually fail in another area.

Stained Glass

It is possible to repair a double-glazed window handle locking mechanism, rather than replacing the entire pane of glass. However, this is not necessarily a DIY job since specific tools are required to ensure that the repair is done correctly and will not affect the seal or the purpose of the window.





Many double glazing owners complain that their doors or windows are difficult to open. This can be due to some slight warping of the frame or hinges, however it could also be due to a problem with the seal. It is possible that the problem is more serious and you should consult an expert to discuss your possibilities.

Condensation between the glass panes is a different complaint. This could be a sign of a leaky seal that isn't retaining the gases that are insulating between the glass panes. Again, this is an easy fix. The gas insulating the panes can be replaced with a special adhesive to seal the gap between the panes.

Start by placing the broken window on a flat work surface. Peel back the black sealant gently to reveal the silver spacer bars. Cut into these with a sharp knife, keeping just below the bottom of both the glass and the silver spacer bars. Once you have separated the two pieces, put the top glass pane on the work surface. It is recommended to wear gloves during this step. Make sure to thoroughly clean both the glazed surface that is facing the frame and the spacer frame making sure to get rid of any smears or marks as these can impact on the seal when the window is re-assembled. The last step is to place the new spacer on the glass pane. Spread some adhesive around the edge to help it adhere to the glass and silver spacer frame. Allow it to set before reassembling. This is typically a task for two since it can be difficult to get everything lined up.

Gasket Seals

While double glazing is highly durable and is designed to last for a long time to be, there are problems that can occur occasionally. It is important to fix any problems as soon as they occur regardless of whether it's draughts or problems with opening or closing.

Condensation between the two panes is among the most common problems that double-glazed owners report. This is due to the failure of the desiccant, which absorbs moisture in the air inside the space that is insulated. After the desiccant has failed, condensation can develop in minutes and form dark lines across the windows.

Another issue can arise when the gasket seal does not stop water and other pollutants from entering the insulated gap. This could cause leaks around the edges of the frame, and also damage the frame's surface. Contact your installer immediately if you spot any signs that your double-glazed units leak.

Many companies offer a guarantee for their products. These warranties typically include a guarantee of 10, or even 20 years. Some companies even provide lifetime warranties. It is crucial to verify the specifics of your guarantee to determine what it covers and until the date it expires.

It might be worthwhile trying to resolve any hardware issues yourself prior to contact your double glazing company for repairs. You can, for example try cooling or lubricating the mechanism to determine whether that solves the issue. Alternatively, upvc window repairs near me can try taking the handle off or the window handle and cleaning it before putting it back in the correct position.

Check with your local council to see whether they have grants available to assist you in the replacement or repair of your double-glazed windows. There are a variety of methods to apply and certain areas will require a particular form of application or proof of eligibility, therefore it is always advisable to check with your local authority prior to deciding on how to proceed.