Double Glazed Windows Repairs

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

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

Broken Panes

When a window pane is broken, it loses its insulating properties and may cause a draft. If the dividing muntins are also broken it can cause water to escape between the glass panes, leading to condensation, mold and mildew and making your home less efficient in energy use. A window that is damaged should be repaired by an expert to ensure you get the correct seal and optimum energy efficiency.

In the beginning, you'll have to remove the broken glass. Start by placing a protective drop cloth beneath the broken window and then scoring around the perimeter of the pane with an inexpensive glass cutter (available in most hardware stores). It's a good idea to grease the cutter with a light oil before you begin. This will stop the glass from shattering too easily. Then, you can use the tool's ball-shaped end to loosen the pieces and the glass should break off fairly quickly.

Scrape any old glazing compound out of the frame's recess after the glass is removed. This will reveal the glazier's points and metal clips that keep the pane in place. If there's any indication of corrosion, these clips should be replaced with new ones. If the window is constructed of wood the glazier points may be reused if they're still in good condition.

The next step is to prepare the surface of the remaining frame for re-glazing. Using a caulking gun, apply a continuous ribbon of compound around the inner edge of the recess. Use a high-quality putty like glazier's compound that comes in a cartridge or a conventional compound that comes in a tin. It should dry before installing the glass. If the frame is made of metal clippings, they must be reinstalled too. Install the dividers.

Condensation

Condensation can be a problem for double-glazed windows, especially during the winter. It is typically caused by too many moisture levels in your home. Warm air collides with cold glass and condenses into water droplets. They then settle in the corners or frame of the window. This can be prevented by opening windows more frequently and enhancing ventilation with extractor fans, and using dehumidifiers to reduce moisture levels. If condensation persists you should contact an expert who will be able to pinpoint the issue and repair or replace the windows if needed.

It's also important to note that condensation on windows with double glazing can be an indication of a failing seal. This is due to the factory-applied vacuum seal may break down over time, allowing cool air to move between the panes. This could cause the window to get smudged and installed then develop mold if not addressed quickly.

You can use a hairdryer for a quick way to get rid of excess moisture. But, this is only a short-term solution and should only be used as a last option. If you leave the condensation for too long, it could lead to mould or dampness in your home. This issue should be dealt with by an expert.

For a more long-term solution you can get your double-glazed windows sealed by professionals. They'll take off the affected glass pane and clean the gap. They'll then pipe hot air into the space to evaporate any moisture. In the process, they'll look for signs of damage, mould or mildew growth and carry out a draught-proofing process to ensure that your windows are fully functional and energy efficient once again.

Draughts

As time goes by the rubber seals around the edges of your glass insulated can be damaged and create a draught in the space between the two panes. It is simple to replace the gaskets, which will result in an airtight seal. This will keep warm air inside your home and cooler air out. You'll reduce your energy bills.

Misted double glazing indicates that the seals of the sealed unit (sometimes called a DGU) have been blown. The unit is comprised of two panes of glass that are separated by the spacer bar to create an insulating gap. Then, it is filled with gas, for example argon, to make the window airtight. If the seal has been blown it will allow water vapour to pass through your home through the gap, creating condensation between the panes that is not able to be cleaned off.

Fortunately, this is an easy issue to fix and the windows can be replaced quickly by experts with the right tools and know how to do it properly. The specialist will use an instrument designed to push the new seals in place and is generally faster than attempting to do it manually. These tools also come with a pointed end which is useful for pushing the seals into the corners.

A professional could be able to seal your windows by drilling a small gap into the window and then adding a desiccant, or putty. This is more cost-effective than replacements and will give you an effective draught-proofing solution for your double-glazed windows.

Faulty Hinges

Misted double glazing is a frequent problem that many people encounter. It could be caused by a damaged seal or [empty] a crack in the glass or a problem with the mechanism or frame. The good thing is that this can often be fixed. This usually involves creating a seal between two glass panes. The new seal will stop condensation, draughts, and leaks from happening.

You should contact the company from whom you purchased your windows, and tell them of any problems as soon as you spot them. It is important to notify the company in writing and demand confirmation that they received your notification. If there are any disagreements being resolved, writing everything down will help you prove your case.

A window repair expert may drill the gap between your windows to remove moisture and form the seal. This is a temporary fix and won't stop moisture from returning. It might also be possible to replace just the glass part, which will make it watertight.

Remember that you should only try DIY fixes only if your skills and experience are adequate. Using super glue or another kind of DIY solution can cause more harm in the long term. If you aren't sure what to do, it's always advisable to seek out professional advice. You can find an expert local to you who can offer double glazing repair by entering your postcode in the search box on Checkatrade. Our traders have all been thoroughly vetted and screened and you can be certain that they will provide high-quality service.

Broken Seals

Double-glazed windows are secured by seals for windows or insulation gas. Many factors can cause them to break, including weather conditions, age and power washing, therefore it's crucial to be aware of what the symptoms are and what to do to fix them.

When a window seal breaks it allows humidity to get into the two glass panes, creating fog. This is a common issue, and can cause the upvc window repairs to look visually distorted. When the seal fails the argon or any other inert gas is lost from the glass, further reducing its insulating properties.

A professional glazier can replace a broken window seal with a brand new one. However, this could be costly and might not resolve the fog issue completely. Certain companies offer defogging services that involve putting a special vacuum pump in the window frame to eliminate the moisture and leave the glass clean. This method isn't 100% reliable, and it does not replace inert gasses, so the fog may return.

A glazier can also replace the entire IGU (insulated glass unit) if it is beyond repair. This is the most cost-effective option and is a great option if you're looking for a long term solution. It's best to select an organization that offers a warranty on replacement windows. This will ensure that any issues you might face are covered. You can be certain that your investment will yield the best results. Alternatively, you can attempt to avoid this issue by choosing a premium window and following the manufacturer's maintenance instructions. This will help to prolong the life of your window and decrease the need for repairs.