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Double Glazed Windows Repairs

Double-glazed windows require repair for a variety of reasons, like condensation between the panes, draughts or sagging frames. Thankfully, most of problems can be addressed.

If your door repair or window is difficult to open try oiling the hinges, mechanism and handles. This is usually a simple, short-term fix.

Broken Panes

When a window pane is broken, it loses its insulation properties and can create draft. If the dividing muntins are broken it can cause water to leak through the glass panes, resulting in condensation, mould and mildew and making your home less energy efficient. It is best to have a professional repair a broken window to ensure the best seal and energy efficiency.

First, you'll need to take out any broken glass. Begin by putting a drop cloth beneath the window that has been broken and scoring around the perimeter of the pane using an inexpensive glass cutter (available in a majority of hardware stores). Before starting, you should lubricate the cutter of this tool with a light oil. This will stop the glass from breaking too easily. The ball-shaped end of the tool can be used to break the fragments. They should come off relatively quickly.

Scrape any old glazing compound off the frame's recess once the glass has been removed. This will expose the glazier's point and metal clips that keep the pane in the frame. If there's evidence of corrosion, these clips should be replaced with new ones. If the window is made of wood, the glazier's points can be re-used if they're still in good condition.

The remaining frame will need to be prepared for re-glazing. Apply a continuous strip of compound to the recess using the caulking tool. Use a high-quality putty such as glazier's compounds that comes in a cartridge or conventional compound sold in a can. Let it dry before re-inserting the glass. Install the metal clips if they are attached to the frame. Finally, reinstall the divider muntins.

Condensation

Condensation is a common problem that double-glazed windows face, especially in the wintertime. It's typically caused by too much humidity in the home, with warm air meeting cold glass. This then forms into water droplets and settles in the corners of your windows or across the frame. It can be prevented by opening windows more regularly and enhancing ventilation with extractor fans, Window Repair and using dehumidifiers to reduce moisture levels. If condensation continues to occur it is recommended to contact an expert who will be able to pinpoint the issue and fix or replace the windows if required.

It's also important to remember that condensation on a double-glazed window can be an indication of a leaky seal. The vacuum seal applied at the factory can wear out over time and allow cool air to get between the panes. This could lead to fogging of the window, and eventually mold growth if not dealt with quickly enough.

As a quick fix for condensation, try using a hairdryer to dry up the excess moisture. However, this is only temporary solution and should only be used only as the last resort. If you leave the condensation for too long, window repair it could cause dampness or mould in your home. This should be handled by a professional.

Professionals can reseal your double-glazed window for a more permanent solution. They'll remove the affected pane of glass, clean out the gap and pipe into hot air to eliminate any moisture that remains. During the process, they'll check for damage, mildew or mould growth and apply a draught-proofing process to ensure your windows are completely functional and energy efficient once again.

Draughts

The rubber seals wear down in time and create drafts between the two panes. This is often a simple problem that can be fixed by replacing the gaskets and this will result in a solid and airtight seal. This will keep warm air in your home, and the colder air outside, saving you money on your energy bills.

Double glazing that has mist may be an indication of blow-blown seals. The unit is made up of two panes of glass that are separated by the spacer bar to create an insulating gap. Then, it is filled with gas, like argon for example, to make the window airtight. If the seal has been blown, water vapour will enter your space through the gap. This will create condensation between the glass panes, which is not able to be removed.

This is a simple issue to fix and windows can be easily repaired by professionals using the proper tools. The expert will employ tools designed to push the new seals in place and this is normally quicker than attempting to do it by hand. The tools also come with a pointed end which can be useful for pushing seals into the corners.

In certain situations, a professional could be able to "reseal your windows' by drilling a small hole in the window and then adding an adsorbent material or putty. This can be a more cost-effective solution than replacements and will provide a reliable draught-proofing solution for double glazing.

Faulty Hinges

Misted double glazing is a typical problem that many people experience. It could be caused by a damaged seal or crack in the glass, or a problem with the frame or mechanism. It is usually possible to correct this issue. Usually, this means creating a new seal between the two glass panes. The new seal will stop condensation, draughts, and leaks.

You should contact the company from which you purchased your windows and let them know of any issues as soon as you spot them. It is important to notify the company in writing and ask for confirmation that they received your notification. Writing everything down will be helpful later if any disputes arise, because it is easier to prove that you did complain.

In certain situations, a window repair specialist may be able to drill a hole in your windows to draw moisture out and create an entirely new seal. This is a temporary fix that won't stop moisture from returning. Alternatively, it may be possible to replace the glass unit itself to ensure that it is watertight.

It is important to keep in mind that you should only experiment with DIY fixes if you have the skills and experience required to do so. Super glue or other DIY solutions can result in more long-term damage. It is best to seek professional help when you aren't sure what to do. You can find an expert in your area who can provide double glazing repairs by entering your postcode in the search box on Checkatrade. All of our tradespeople have been thoroughly vetted and checked, so you can trust that they will provide you with a top quality service.

Broken Seals

Window seals, also known as insulation gas fills, are what hold double-glazed windows in place. There are a variety of reasons that can cause them to break, such as the weather, age, and power washing. It's crucial to be aware of what the symptoms are and how to fix them.

If a window seal is damaged it allows moisture to seep in between the two glass panes and create fog. It's a frequent issue and it can cause the window to look visually disoriented. When the seal is damaged, the inert gases argon and others are lost from the window, further reducing the glass's insulating qualities.

A professional glazier can repair a damaged window seal with a new one. This can be costly and may not solve the fog issue. Some companies offer defogging services which include putting the vacuum pump of a specific type inside the window frame to remove the moisture and make the glass clear. This method isn't foolproof, and it does not replace inert gasses, so the fog can be re-created.

If the IGU (insulated unit) is beyond repair, a glazier could replace it. This is the most cost-effective option and is a good option if you're looking for a long term solution. However, it's best to choose a company that has a warranty on replacement windows to ensure that any issues are protected. You can be certain that your investment will produce the most effective results. Alternatively, you can try to avoid this issue by choosing a premium window and following the manufacturer's maintenance instructions. This will prolong the life of your window and decrease the need for repairs.