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Double Glazed Windows Repairs

There are many reasons why your double-glazed windows may need repairs, from condensation between panes, to dropping or sagging frames. Thankfully, most of these issues can be fixed.

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

Broken Panes

When a window pane is damaged and shattered, it loses its insulation properties and may cause drafts. If the muntins that divide the glass panes also broken, moisture can leak between them causing condensation and mildew, as well as mould. This can make your home less energy-efficient. A damaged window should be repaired by an expert to ensure that you get the correct seal and maximum energy efficiency.

First, you will need to remove any broken glass. Start by placing a protective drop cloth beneath the window that has been broken and cutting around the perimeter of the pane with an inexpensive glass cutter (available in most hardware stores). Before you begin, lubricate the cutter of this tool using an oil that is light. This will stop the glass from breaking too easily. The ball-shaped tip of the tool can be used to loosen the fragments. They should come off fairly quickly.

Once the glass is removed, scrape away any old glazing compound that has accumulated in the recess area of the frame. This will reveal the glazier's points and metal clips that keep the pane in place. If there's evidence of corrosion, these clips should be replaced with new ones. If the window is made of wood the glazier points can be reused if still in good shape.

The remaining frame needs to be prepared to allow reflazing. Apply a continuous strip of compound to the recess with a caulking tool. Use a high-quality putty such as a Glazier's compound in a cartridge. Let it dry before installing the glass. Reinstall the metal clips, if they are attached to the frame. Reinstall the divider muntins.

Condensation

Condensation is a common problem that double-glazed windows can experience particularly in winter months. It's usually caused by too many levels of moisture within your home. Warm air meets cold glass and Double Glazed Windows Repairs condenses into water droplets. They then settle in the corners or frames of the window. This can be avoided by opening windows more frequently, improving ventilation through extractor fans, and using dehumidifiers to reduce moisture levels. If condensation remains an issue, it's best to get an expert to get to the bottom of the issue and fix or replace your windows when required.

It's also important to know that condensation on a double-glazed window can be an indication of a failing seal. This is because the factory applied vacuum seal can become degraded in time, allowing cool air to move between the panes. This can lead to fogging of the window and eventually mold growth if not dealt with quickly enough.

For a quick fix to condensation, try using hair dryers to eliminate the excess moisture. This is a temporary solution and should only be used as a final resort. If you let the condensation sit for too long, it could lead to mould or dampness within your home. This issue should be dealt with by a professional.

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

Draughts

As time passes, the rubber seals around the edges of your glass are likely to break down and this can create a draught in the space between the two panes. This is typically a simple issue that can be resolved by re-installing the gaskets and this will result in a sturdy and airtight seal once again. This will allow warm air inside your home and the colder air out, thereby saving you money on your energy bills.

Misted double glazing indicates that the seals inside the sealed unit (sometimes called a DGU) have been blown. The unit is made up of two glass panes filled with argon separated by a spacer to form an airtight window. If the seal has been blown it allows water vapour to get into your space through the gap, which will cause condensation between the panes which is not able to be cleaned off.

Fortunately it is a simple issue to fix and the windows can be replaced quickly by professionals who have all the right tools and know how to do it properly. The expert will employ an instrument designed to push the new seals in place and this is normally quicker than attempting to do it manually. These tools have a pointed tip that can be used to push seals into corners.

In certain situations, a professional could be able to "reseal your windows' by drilling a small hole in the window and then putting in an adsorbent material or putty. This is a less expensive option than replacing your double-glazed windows and will still provide you with an effective draught proofing system.

Faulty Hinges

Many people have experienced misted double glazing. This can be caused by a cracked or broken glass or frame or even a broken seal. The good news is that it is often fixed. This usually involves creating a seal between the two glass panes. The new seal will help prevent condensation, draughts and leaks.

You should contact the company from which you purchased your windows and inform them of any problems when you spot them. Make sure you do this in writing, and ask them to confirm that they have received your message. If there is a dispute the fact that everything is written will make it easier to prove your case.

In certain situations, a window repair specialist may be able to drill a hole in your windows to draw out moisture and create a new seal. This is only temporary and will not stop the return of moisture. It might also be possible to replace just the glass unit, which will make it watertight.

It is crucial to remember that you should only experiment with DIY fixes when you have the skills and know-how required to be able to do it. Super glue or other DIY solutions can cause more damage over the long term. It is always best to seek professional help when you aren't sure what to do. You can locate an expert in your area who can provide double glazing repairs by entering your postcode into the search box on Checkatrade. Our tradespeople have been thoroughly vetted and checked, so you can be sure they will provide a quality service.

Broken Seals

Window seals, or insulation gas fills, are what keep double glazed windows in place. They can be damaged by many factors, including weather conditions, age, and power washing. It is important to be aware of the signs and how to repair them.

If a window seal is damaged it allows moisture to get into the two glass panes, creating fog. This is a common problem that can also make the window appear to be distorted. If the seal fails, gas like argon as well as other inert gases are emitted from the window, further decreasing the glass's insulation properties.

A damaged window repairs seal can be repaired by replacing it with a an entirely new one by an experienced glazier. This can be expensive and may not completely solve the fog issue. Some companies offer defogging services that involve putting a special vacuum pump in the window frame to remove the moisture and leave the glass free of fog. This method isn't foolproof, and it does not replace inert gasses, so the fog can return.

If the IGU (insulated unit) is damaged beyond repair, a glazier can replace it. This is typically the most cost-effective option, and could be a good option in the event you're looking for a long-term solution. But, it's best to select a company with a guarantee for replacement windows to ensure that any issues are protected. You can be assured that your investment will yield the most effective results. You can also try to avoid this issue by choosing the best quality product and following the care instructions that are provided by the manufacturer. This will extend the life of your window and decrease the need for repairs.