Double Glazed Windows Repairs
There are a variety of reasons your double-glazed windows may need repairs such as condensation between panes to drop or sagged frames. The majority of these issues can be resolved.
If your window or door is difficult to open try oiling the hinges, mechanism and handles. This is a quick, affordable fix.
Broken Panes
When a window pane is damaged, it loses its insulation properties and could cause draft. If the dividing muntins are also damaged, it could cause moisture to leak through the glass panes resulting in condensation, mold and mildew and making your home less efficient in energy use. A damaged window should be repaired by a professional to ensure you get a proper seal and optimum energy efficiency.
The first step is to get rid of any broken glass. Begin by placing a cheap glass cutter in an appliance store beneath the broken pane. Before you start, grease the cutter with an oil that is light. This will stop the glass from breaking too easily. The ball-shaped end of the tool can be used to loosen the pieces. They should fall off relatively quickly.
Scrape any old glazing compound off the recess of the frame once the glass is removed. This will expose the glazier's clips and pins that hold the glass in the frame. If there's any indication of corrosion, these should be replaced with new ones. If the window is constructed of wood the glazier points may be reused if still intact.
The remaining frame needs to be prepared for the re-glazing. Utilizing a caulking gun apply a continuous strip of compound around the inner edge of the recess. Make use of a premium putty such as a Glazier's compound in a cartridge. Allow it to dry before inserting the glass. Install the metal clips if they are on the frame. Finally, reinstall the divider muntins.
Condensation
Condensation is a frequent issue that double-glazed windows face, especially in the wintertime. This is usually caused by excessive levels of moisture within your home. Warm air is absorbed by cold glass and condenses into water droplets. These then collect in the corners or frames of the window. This can be avoided by opening windows more regularly and enhancing ventilation with extractor fans, and using dehumidifiers in order to reduce the amount of moisture. If condensation is still present, you should call a professional who can diagnose the issue and repair or replace the windows if required.
It's also important to note that condensation on double-glazed windows can be an indication of a failing seal. This is because the factory-applied vacuum seal can be damaged over time and allow cool air to flow between the panes. This can cause fogging of the window and eventually, mold growth if not dealt with quickly enough.
Hairdryers can be used to eliminate excess moisture. This is a temporary fix and should only be used as a final option. If the condensation has been left for a long time it may be experiencing mold or dampness in your home, which needs to be addressed by a professional.
For a more long-term solution you can have your double-glazed windows resealed by experts. They'll remove the damaged glass pane and clean the gap. They'll then pipe hot air into the area to dry out any moisture. During this process, they'll look for signs of the presence of mildew, mold or damage growth, and then apply a draught-proofing process to ensure your windows are efficient and energy efficient again.
Draughts
Rubber seals may wear down over time and cause drafts between your two panes. It is a simple fix to replace the gaskets, which will create an airtight seal. This will keep warm air inside your home, and cooler air out. You'll reduce your energy bill.
Misted double glazing is a sign the seals of the sealed unit (sometimes called a DGU) have blown. The unit is composed of two glass panes filled with argon separated by a spacer, creating an airtight window. If the seal has blown water vapour can enter your home through the gap. This can cause condensation between the glass panes, which is not able to be removed.
Fortunately it is a simple issue to fix and the windows can be replaced very quickly by professionals who have the appropriate tools and know how to do it properly. The professional will employ an instrument designed to push the new seals into place and is generally faster than trying to do it by hand. These tools also have a pointed end which is useful for pushing seals into the corners.
In certain situations, a professional might be able to "reseal your windows' by drilling a small hole in the window and then putting in a special desiccant material or putty. This is less expensive than replacing your double glazing and still provides you with a reliable air-tight system for draughtproofing.
Faulty Hinges
Many people have experienced misted double glazing. It may be caused by a damaged seal or a crack in the glass or a problem with the mechanism or frame. The good news is that it is often solved. Typically, this is done by making an entirely new seal between the two panes of glass. The new seal will stop condensation, draughts and leaks from happening.
If you discover any issues, you must contact the company that sold you the windows. You should notify the company in writing and demand confirmation that they received your message. Having everything in written form will make it easier to resolve any disputes arise, because it is easier to prove that you did complain.
A window repair expert may drill the gap between your windows to remove moisture and make a seal. This is a temporary fix that won't stop the return of moisture. It is also possible to replace only the glass, which would make it watertight.
Remember that you should only attempt DIY fixes only if your skills and experience are sufficient. Utilizing super glue or any other type of DIY solution could cause more harm in the long term. If you are unsure of what to do, it is always advisable to seek out professional advice. You can locate a local tradesperson who offers double glazing repairs by typing your postcode in the search box on Checkatrade. Our tradespeople have been thoroughly vetted and screened and you can be sure that they will offer a high-quality service.
Broken Seals
Window seals, or insulation gas fills, keep double glazed windows in place. They are susceptible to damage due to various elements, including weather conditions, age and power washing. It is essential to be aware of the signs and the best way to repair them.
If a window seal is damaged humid air can leak between the two panes glass, causing fog. It's a frequent issue and it can cause the window to appear visually distorted. If the seal fails, gas like argon as well as other inert gases are emitted from the window, thereby decreasing the glass's insulation properties.
A professional Glazier can replace a damaged window seal with a new one. However, this can be expensive and may not solve the fog issue completely. Certain companies offer defogging solutions, which involve placing 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 does not replace the inert gasses, so the fog could return.
If the IGU (insulated unit) is damaged beyond repair, a glazier may replace it. This is the most cost-effective method and is a great option if you're seeking a long-term solution. But, it's best to choose a company that offers a warranty for replacement windows to ensure that any issues are protected. You can be certain that your investment will provide the best results. You can also attempt to avoid this issue by choosing a premium window and following the manufacturer's maintenance instructions. This will prolong the lifespan of your window and decrease the need for repairs.