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Double Glazed Windows Repairs

There are many reasons why your double glazed windows might require repair, from condensation between panes, to draughts and dropped or sagged frames. Thankfully, most of problems can be addressed.

Try applying lubrication to the hinges, handles, and mechanism of your window or door in case it is hard to open. This is usually a cheap, short-term fix.

Broken Panes

When a window pane breaks it loses its insulating properties and could cause a draft. If the muntins which divide the glass panes are broken, water can leak between them causing condensation, mould or mildew. This makes your home less energy-efficient. A broken window is best repaired by a professional to ensure you get the correct seal and maximum energy efficiency.

First, you'll need to remove any broken glass. Begin by putting a drop cloth underneath the window that has been broken and cutting around the edges of the pane with an inexpensive glass cutter (available in a majority of hardware stores). It's recommended to lubricate the cutter with lightweight oil before you begin. This will prevent the glass from breaking too easily. The ball-shaped tip of the tool can be used to break the fragments. They should come off quite quickly.

After the glass has been removed, scrape any old glazing compound from the recess of the frame. This will reveal the glazier's points and the metal clips that hold the pane in place. If there's any indication of corrosion, these clips should be replaced with new ones. If the window is wooden, the glazier's points can be re-used if they're still intact.

The next step is to prepare the surface of the frame for re-glazing. Using a caulking gun, apply a continuous strip of compound around the inner edge of the recess. Use a high quality putty such as a Glazier's compound that is contained in cartridge. Dry it out before installing the glass. Reinstall the metal clips if they are on the frame. Install the dividers.

Condensation

Condensation is a frequent issue 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 collides with cold glass and condenses into droplets of water. These then collect in the corners and frame of the window. You can avoid this by opening your windows more frequently and improving ventilation with extractor fans, and using dehumidifiers. If condensation persists it is recommended to contact an expert who will be able to pinpoint the problem and repair or replace the windows if necessary.

It's also important to know that condensation on a double-glazed window could be a sign of a leaky seal. The vacuum seal applied at the factory can wear out over time and let cool air get between the panes. This could cause the window to become cloudy and eventually develop mold if it is not addressed quickly.

As a quick fix for condensation, try using hair dryers to dry the excess moisture. However, this is just a short-term solution and should be only used as the last option. If you leave the condensation for too long, it could cause dampness or mould within your home. This should be handled by a professional.

As a long-term solution, you can have your double-glazed windows resealed by experts. They'll take off the affected glass pane and clean the gap. They'll then pipe hot air into the gap to evaporate any moisture. During this process, they'll also check for the presence of mildew, mold or damage growth and apply a draught-proofing treatment to ensure that your windows are efficient and energy efficient again.

Draughts

Rubber seals may wear down in time and create a draft between your two panes. It's an easy fix to replace the gaskets, that will form an airtight seal. This will keep warm air inside your home, and colder air outside. You can reduce your energy bills.

Misted double glazing indicates that the seals in your sealed unit (sometimes called a DGU) have been blown. The unit is made up of two panes of glass separated by an insulating bar that creates an insulating gap. Then, it is filled with gas, like argon, to make the window airtight. If the seal is blown the water vapour will get into your space through the gap. This can cause condensation between the glass panes that cannot be removed.

This is a simple problem to repair, and windows can be swiftly replaced by specialists with the proper tools. The professional will employ an instrument designed to push the new seals in place and this is normally quicker than attempting to do it by hand. These tools have an edge that can be used to push seals into corners.

In certain situations an expert could be able to "reseal' your windows by drilling a small hole into the window and then adding the desiccant material, or putty. This is an economical alternative to replacements, and will give you an effective draught-proofing solution for your double glazing.

Faulty Hinges

Misted double glazing is a typical problem that many people experience. This can be caused by broken or cracked glass frame or even a broken seal. It is often possible to fix this problem. Usually, this means creating an entirely new seal between the two glass panes. The new seal will stop condensation, draughts, and leaks from occurring.

If you spot any issues, you must contact the company that sold you your windows. Make sure you do this in writing and request them to confirm that they've received your message. Writing everything down will be helpful later if any disputes arise, since it will be easier to prove that you did indeed complain.

In some cases, a window repair specialist will drill the gap in your windows to draw out moisture and create a new seal. This is a temporary fix that will not stop the return of moisture. It might also be possible to replace the glass part, which will make it watertight.

Remember that you should only try DIY fixes only if your skills and experience are sufficient. Super glue or other DIY solutions can cause more permanent damage. It is best to seek professional help if you are unsure what to do. You can find an expert in your area who can provide double glazing repairs by entering your postcode into the search box on Checkatrade. All of our tradespeople have been thoroughly vetted and checked, so you can be sure that they will offer a high-quality service.

Broken Seals

Window seals, or insulation gas fills, are what hold double glazed windows in place. Many factors can cause them to break, including weather conditions, age and power washing. It's crucial to be aware of what the signs are and how to fix them.

When a window seal fails, it allows humid air to seep in between the two glass panes, causing fog. This is a frequent issue that can make the window repair appear disfigured. When the seal is damaged, the inert gases argon and others are removed from the window, further reducing the glass's insulating qualities.

A professional Glazier can replace a damaged window seal with a brand new one. This can be expensive and may not completely solve the fog issue. Some companies offer defogging services that involve putting an air pump inside the window frame to remove the moisture and make the glass free of fog. This method isn't 100% reliable and does not replace inert gasses, which means that the fog could come back.

If the IGU (insulated unit) is beyond repair, a glazier may replace it. This is typically the most cost-effective option, and is a great option if you're looking for a long-term solution. It is recommended to choose a company that offers a warranty for replacement windows to ensure that any issues are covered. You can be sure that your investment will provide the most effective results. You can also avoid the problem by selecting the best quality product and following the care guidelines that are provided by the manufacturer. This will extend the life of the window and cut down the number of repairs.