Blog entry by Colin Hanks

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Double Glazed Windows Repairs

There are many reasons your double-glazed windows may require repair such as condensation between panes, to draughts and dropped or sagged frames. Many of these issues can be resolved.

Replacement-Windows-150x150.jpgTry to lubricate the hinges, handles, and mechanism of your door or window in case it is hard to open. This is usually a cheap temporary fix.

Broken Panes

When a window pane breaks it loses its insulating properties and could cause draft. If the muntins that divide the glass panes are also damaged, moisture could be leaking between them, causing condensation and mildew, as well as mould. This makes your home less energy efficient. It is recommended to have a professional repair a broken window in order to get the most effective seal and energy efficiency.

In the beginning, you'll have to take the broken glass off. Start by placing an inexpensive glass cutter from a hardware store under the broken pane. It's worth lubricating this tool's cutter with a light oil before you begin. This will prevent the glass from breaking too easily. Then, you can utilize the tool's ball-shaped end to loosen the pieces, which should come off fairly quickly.

Once the glass is removed, scrape away any old glazing compound from the recess of the frame. This will expose the glazier's point and metal clips that keep the pane in place. If there's evidence of corrosion, the clips must be replaced with new ones. If the window is made of wood the glazier's gilder's points can be re-used if they're still in good condition.

You'll then need to prepare the surface of the remaining frame for re-glazing. Apply a continuous strip compound to the recess with a caulking tool. Use a high-quality putty such as glazier's compounds that comes in a cartridge or conventional compound that comes in a tin. Dry it out before installing the glass. If the frame is made of metal clippings, these should be replaced as well. Reinstall the divider muntins.

Condensation

Condensation is a common problem that double glazed window repairs-glazed windows may experience, especially in the wintertime. It's usually caused by excessive moisture levels within your home. Warm air meets cold glass and condenses to droplets of water. These then collect in the corners and frame of the window. You can avoid this by opening your windows more frequently, improving ventilation with extractor fans, and running dehumidifiers. If condensation persists it is recommended to contact an expert who will be able to pinpoint the issue and repair or replace the windows if necessary.

It's also important to remember that condensation on windows with double glazing can actually be an indication of a failing seal. This is due to the factory applied vacuum seal may be damaged in time and allow cool air to make its way between the panes. This can lead to fogging of the window and eventually mold growth if not addressed quickly enough.

As a quick fix to condensation, try using hair dryers to dry the excess moisture. This is only a temporary solution and should be used only as a last resort. If the condensation has been left for a long time, you could be looking at mould or dampness within your home, which must be dealt with by a professional.

Professionals can reseal double-glazed windows for a better, more durable solution. They'll remove the affected piece of glass, clear the gap and pipe into hot air to evaporate any moisture that remains. During the process, they'll also check for any signs of damage, mildew or mould growth and apply a draught proofing treatment to ensure that your windows are functional and energy-efficient once again.

Draughts

As time goes by the rubber seals around the edges of your insulated glass can break down and this can create a draught in space between the two panes. It's simple to replace the gaskets, which will create an airtight seal. This will keep warm air inside your home, and colder air outside. You will reduce your energy bill.

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 a spacer bar to create an insulating gap. Then, it is filled with gas, such as argon, to make the window airtight. If the seal has blown it will allow water vapour to pass through your home through the gap, which will cause condensation between the panes which cannot be wiped off.

Fortunately, this is an easy problem to fix, and the windows can be replaced quickly by specialists with the right tools and know how to do it right. The professional will employ a tool designed to push the new seals into place and this is normally quicker than trying to do it manually. These tools have a pointed tip that can be used to push the seals into corners.

A professional may be able'reseal your windows' by drilling a small hole in the upvc window repair near me, and adding a desiccant or putty. This is a less expensive option than replacing your double glazing and will still provide you with an effective air-tight system for draughtproofing.

Faulty Hinges

Misted double glazing is a common problem that many people encounter. It can be caused by a cracked or broken glass or frame or even a damaged seal. The good news is that it can be easily solved. Usually, this means making an entirely new seal between the two glass panes. The new seal will prevent condensation, draughts, and leaks.

Contact the company from whom you purchased your windows, and tell them of any problems as soon as you spot them. You should notify the company in writing and ask for confirmation that they have received your notice. Having everything in written form will be helpful later if any disputes arise, as it is easier to prove that you did indeed complain.

In some cases, a window repair specialist will cut the hole in your windows to draw moisture out and create the new seal. However, this is generally only a temporary solution and won't stop moisture from returning. It is also possible to replace only the glass unit, which will make it watertight.

Be aware that you should only try DIY fixes if your skills and knowledge are sufficient. Using super glue or another type of DIY solution can cause more damage in the long run. If you are unsure of what to do, it's always recommended to seek professional advice. By entering your postcode into the search box of Checkatrade will allow you to find a local tradesperson that offers double repair of your glazing. Our traders have all been thoroughly vetted and checked to ensure you are sure they will provide a top-quality service.

Broken Seals

Double-glazed windows are held in place by window seals or insulation gas. They can be damaged by many factors, such as weather conditions, age, and power washing. It is important to be aware of the signs and the best way to fix them.

When a window seal breaks, it allows humid air to enter between the two glass panes and create fog. This is a common issue that can make the window appear distorted. When the seal fails, any argon or other inert gas is removed from the glass, thereby decreasing its insulation properties.

A broken upvc window repair seal can be repaired by replacing it with a new one by a professional glazier. This is costly and might not be able to resolve the fog issue. Certain companies offer defogging, which involves placing an air pump inside the window frame to remove moisture and make the glass clear. However, this method is not 100% reliable and cannot replace any inert gases, so the fog could return.

A glazier can also replace the entire IGU (insulated glass unit) if it is beyond repair. This is the most cost-effective solution and can be a great option if you're looking for a long term solution. However, it's best to select a company that has a warranty on replacement windows to ensure that any issues are protected. This means that you can be sure that you'll get most out of your investment. You can also get rid of the issue by choosing an item of high-quality and following the maintenance instructions that are provided by the manufacturer. This will help to prolong the lifespan of your window and minimize the need for repairs.

[ Modified: Thursday, 22 May 2025, 4:07 PM ]