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Double Glazed Windows Repairs

Double-glazed windows require repair for a variety of reasons, including condensation between the panes, draughts or sagging frames. Fortunately, a majority of these issues can be resolved.

Try to lubricate the hinges, handles and mechanisms of your door or window if it is difficult to open. This is usually a cheap, short-term fix.

Broken Panes

When a window pane is broken, it loses its insulating properties and may cause a draft. If the muntins which divide the glass panes also damaged, moisture could 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 a perfect seal and optimum energy efficiency.

First, you'll need to remove any broken glass. Start by placing an inexpensive glass cutter from an appliance store beneath the broken pane. It's worth lubricating this tool's cutter with light oil prior to when you begin. This will stop the glass from breaking too easily. The ball-shaped end of the tool can be used to loosen the pieces. They should fall off quite quickly.

Scrape any old glazing compound from the recess of the frame once the glass has been removed. This will reveal the glazier's clips and pins that keep the glass in the frame. If there's any sign of corrosion, these clips should be replaced with new ones. If the window is wooden, the glazier's points can be used again if they're in good condition.

You'll need to prepare the surface of the frame for reglazing. Using a caulking gun, apply a continuous ribbon of compound around the inside edge of the recess. Make use of a premium putty, such as Glazier's compound that is contained in a cartridge. Let it dry before inserting the glass. If the frame has metal clippings, these should be reinstalled too. Then, you can reinstall the divider muntins.

Condensation

Condensation is a common problem that double-glazed windows face, especially in the wintertime. It's usually caused by too much humidity in the home where warm air collides with cold glass, which forms into water droplets and settles in the corners of your windows or across the frame. It can be prevented by opening your windows more often, improving ventilation through extractor fans and running dehumidifiers in order to reduce the amount of moisture. If condensation is still an issue, it's best to call in an expert to determine the root of the issue and fix or replace your windows as required.

It's also important to know that condensation on double glazed window repairs near me-glazed windows could be a sign of a failing seal. This is due to the factory-applied vacuum seal may break down in time, allowing cool air to move between the panes. This can cause the window to get smudged and eventually grow mold if not addressed immediately.

You can use a hairdryer for a quick way to eliminate excess moisture. This is only a temporary solution and should only be used as a final resort. If the condensation is left for a long time it could be looking at dampness or even mould in your home, which needs to be addressed by a professional.

Professionals can seal your double-glazed window for a better, more durable solution. They'll remove the affected pane of glass, then clean the gap and pipe into hot air to eliminate any lingering moisture. During the process, they will also look for any damage, mildew or mould growth and apply a draught proofing treatment to ensure that your windows are fully functional and energy efficient.

Draughts

The rubber seals wear down over time and cause a draft between your two panes. This is typically a simple issue that can be resolved by replacing the gaskets and this will create a strong and airtight seal. This will keep the warm air inside your home and the colder air out, saving you money on your energy bills.

Misted double glazing indicates that the seals in the 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. Then, it is filled with gas, for example argon, to make the window airtight. If the seal has blown it allows water vapour to pass through your home through the gap, which will cause condensation between the panes which cannot be wiped off.

This is a simple issue to fix, and windows can be quickly repaired by professionals using the appropriate tools. The specialist will use an instrument designed to push the new seals in place and this is normally quicker than trying to do it manually. These tools also have a pointed end which is useful to push the seals into the corners.

In certain situations an expert could be able to "reseal' your windows by drilling a small hole into the window and then putting in the desiccant material, or putty. This is an economical alternative to replacements and will offer a reliable protection against draughts for double glazing.

Faulty Hinges

Misted double glazing is a common issue that many people face. It could be caused by a broken seal or crack in the glass, or a problem with the frame or mechanism. The good thing is that this can be easily repaired. Typically, this is done by making an entirely new seal between the two glass panes. The new seal will stop condensation, draughts, and leaks from happening.

As soon as you notice any problems, you should contact the company that sold you the windows. You should notify the company in writing and request confirmation that they received your notification. If there are any disagreements the fact that everything is written will make it easier to prove your complaint.

A window repair specialist could drill a hole between your windows in order to eliminate moisture and create the seal. However, this is usually only temporary and will not stop moisture from returning. It is also possible to replace just the glass, which would make it watertight.

Be aware that you should only try DIY fixes only if your skills and experience are adequate. Super glue or other DIY solutions could cause more damage over the long term. If you are unsure of what to do, it's always advisable to seek out professional advice. You can locate an expert in your area who can provide double glazing repairs by typing your postcode in the search box on Checkatrade. All of our tradespeople have been thoroughly vetted, and screened, so you can be sure that they will offer a high-quality service.

Broken Seals

Window seals, also known as insulation gas fills, are what keep double-glazed windows in place. A variety of factors can cause them to break, like age, weather conditions and power washing, therefore it's important to know what the symptoms are and how to fix them.

If a window seal fails, humid air can seep between the two panes of glass, creating fog. This is a frequent issue that can cause the window appear disfigured. Once the seal fails it is when any argon or other inert gas is removed from the glass, thereby decreasing its insulation properties.

A damaged window seal can be fixed by replacing it with a new one by an experienced glazier. This can be costly and may not solve the fog issue. Certain companies offer defogging solutions which include putting a special vacuum pump in the window frame to eliminate the moisture and leave the glass clear. However, this method is not foolproof and does not replace any inert gas, and the fog could return.

A glazier may also replace the entire IGU (insulated glass unit) when it's beyond repair. This is the most cost-effective option and is a good choice if you are seeking a long-term solution. It is best to choose an option that provides warranties on replacement windows. This guarantees that any issues that you might encounter are covered. You can be certain that your investment will yield the best results. Alternatively, you can try to avoid this issue by choosing a high-quality window and following the manufacturer's care instructions. This will extend the life of your window and decrease the need for repairs.