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Double Glazed Windows Repairs

There are a variety of reasons your double glazed windows might require repairs including condensation between panes to drop or sagged frames. The majority of these issues are fixable.

Try applying lubrication to the hinges, handles and mechanisms of your door or window when it is difficult to open. This is a simple, inexpensive fix.

Broken Panes

When a upvc window repairs pane is broken, it loses its insulation properties and could cause draft. If the dividing muntins also broken, it could cause water to leak between the glass panes resulting in condensation, mold and mildew and making your home less energy efficient. A window that is damaged should be repaired by a professional to ensure you get a perfect seal and maximum energy efficiency.

In the beginning, you'll have to remove the broken glass. Begin by placing a protective drop cloth beneath the window that has been broken and cutting around the edges of the pane using an inexpensive glass cutter (available in a majority of hardware stores). Before you start, lubricate the cutter of this tool using a light oil. This will prevent the glass from breaking too easily. The ball-shaped end of the tool can be used to break the pieces. They should come off quite quickly.

Scrape any old glazing compound out of 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 place. If there's any indication of corrosion, these should be replaced with new ones. If the window is made of wood, the glazier points can be reused if they are still intact.

You'll then need to prepare the surface of the frame to be re-glazed. Utilizing a caulking gun apply a continuous ribbon of compound along the inside edge of the recess. Use a high quality putty, such as Glazier's compound in cartridge. Allow it to dry before inserting the glass. Reinstall the metal clips if they are attached to the frame. Install the dividers.

Condensation

Condensation can cause problems for double-glazed windows, especially in winter. It's usually caused by excessive moisture levels within your home. Warm air collides with cold glass, which condenses into water droplets. They then settle in the corners and frame of the window. You can prevent this from happening by opening your windows more frequently and improving ventilation with extractor fans, and using dehumidifiers. If condensation continues to occur, you should call a professional who can diagnose the issue and repair or replace the windows if necessary.

Condensation on a double-glazed window is a sign that the seal has failed. This is due to the factory applied vacuum seal can be damaged over time, allowing cool air to make its way between the panes. This can cause fogging of the window, and eventually mold growth if not dealt with promptly enough.

For a quick fix to condensation, you could try using hair dryers to dry the excess moisture. This is a temporary fix and should be used only as a final option. If the condensation has been left for a long time you might be facing mould or dampness in your home, which needs to be addressed by a professional.

For a more long-term solution you can have your double-glazed windows repaired by professionals. They'll take off the affected glass pane and clean the gap. They will then pipe hot air into the space to eliminate any moisture. In this process, they'll examine for any the presence of mildew, mold or damage growth, and then apply a draught-proofing treatment to ensure that your windows are fully operational and energy efficient again.

Draughts

As time passes, the rubber seals around the edges of your glass insulated can break down and this can create a draught in the space between the two panes. This is often a simple problem that can be fixed by re-installing the gaskets and this will result in a sturdy and airtight seal once again. This will keep the warm air in your home and the colder air outside, saving you money on your energy bills.

Misted double glazing indicates that the seals in your sealed unit (sometimes called a DGU) have been blown. The unit is comprised of two panes of glass that are separated by an insulating bar that creates an insulating space. It is then filled with gas, such as argon to make the window airtight. If the seal has blown it will allow water vapour to get into your space through the gap, creating condensation between the panes which cannot be wiped off.

Fortunately it is a simple problem to fix, and the windows can be replaced quickly by professionals who have the appropriate tools and know how to do it correctly. The professional will employ an instrument that is designed to push in the new seals. This is generally faster than doing it manually. These tools have a pointed tip that can be used to push seals into corners.

In certain cases professionals might be able to "reseal' your windows by drilling a small hole in the window and adding a special desiccant material or putty. This is a less expensive option than replacing your double glazing and still provides you with a reliable draught proofing system.

Faulty Hinges

Many people have experienced misted double glazing. It could be caused by a broken seal, or a crack in the glass or an issue with the mechanism or frame. The good news is that it can often be repaired. Normally, this involves creating a new seal between two panes of glass. The new seal will help prevent condensation, draughts and leaks.

As soon as you notice any issues, you should contact the company that sold you your windows. Be sure to do this in writing and ask them to confirm that they've received your message. Having everything in written form will help later on should any disputes arise, as it will be easier to prove that you did indeed complain.

In some instances the window repair expert will cut the hole in your windows to draw out moisture and make a new seal. However, this is typically only a temporary solution and won't stop the moisture from returning. It is also possible to replace the glass unit itself to ensure that it is watertight.

It is important to remember that you should only try DIY fixes when you have the skills and know-how required to do so. Super glue or other DIY solutions could cause more permanent damage. If you aren't sure what to do, it is always advisable to seek out professional advice. You can locate a local tradesperson who offers double glazing repairs by entering your postcode in the search box on Checkatrade. Our tradespeople have been thoroughly vetted and checked to ensure you are sure that they will offer a high-quality service.

Broken Seals

Double glazed windows are held in place by seals for windows or insulation gas. There are a variety of reasons that can cause them to break, including age, weather conditions and power washing, so it's crucial to be aware of what the signs are and how to repair them.

If a window seal is damaged, it allows humid air to get into the two glass panes and create fog. It's a frequent issue and can cause the window to appear visually distorted. Once the seal fails, any argon or other inert gas is lost from the glass, thereby diminishing its insulating properties.

A broken window seal can be fixed by having it replaced with an entirely new one by a professional glazier. However, this is costly and might not resolve the fog issue completely. Certain companies offer defogging services, which involve placing the vacuum pump of a specific type inside the window frame to remove the moisture, leaving the glass free of fog. However, this method is not 100% reliable and cannot replace any inert gases, meaning that the fog could be re-applied.