Double Glazed Windows Repairs
There are many reasons why your double glazed windows might require repair including condensation between panes, to draughts and dropped or sagged frames. Fortunately, the majority of problems can be addressed.
Try applying lubrication to the hinges, handles and mechanisms of your door or window when it is difficult to open. This is a quick, affordable solution.
Broken Panes
If a window pane breaks, it loses its insulating properties and can create draft. If the muntins that divide the glass panes are also broken, moisture can be leaking between them, causing condensation, mould or mildew. This makes your home less energy-efficient. It is recommended to hire a professional repair the damaged window in order to get the best seal and energy efficiency.
The first step is to remove any broken glass. Start by placing an inexpensive glass cutter from an hardware store underneath the broken pane. Before you begin, make sure to lubricate the cutter with an oil that is light. This will help prevent the glass from breaking too easily. You can then utilize the tool's ball-shaped end to break up the glass fragments, which should come off fairly quickly.
Scrape any old glazing compound out of the recess of the frame once the glass has been removed. This will reveal the glazier's facets and metal clips that keep the pane in the frame. If there's any indication of corrosion, these clips should be replaced with new ones. If the window is made of wood the glazier's points could be used again if they're intact.
The next step is to prepare the surface of the frame to be re-glazed. With a caulking gun apply a continuous ribbon of compound along the inside edge of the recess. Use a high quality putty such as a Glazier's compound in cartridge. It should dry before installing the glass. If the frame is made of metal clippings, they must be reinstalled too. Then, you can reinstall the divider muntins.
Condensation
Condensation is a concern for double-glazed windows, particularly during winter. It's usually caused by excessive humidity in the home as warm air meets cold glass, which then condenses into water droplets and settles in the corners of your windows or across the frame. You can stop this from happening by opening your windows more frequently and enhancing ventilation by installing extractor fans, and utilizing dehumidifiers. If condensation remains an issue, it's crucial to get an expert to get to the bottom of the issue and fix or replace your windows when required.
Condensation in a double-glazed glass window is a sign the seal has failed. The vacuum seal applied at the factory may wear away over time and allow cool air to get between the panes. This could cause the window to become cloudy and eventually grow mold if not addressed immediately.
A hairdryer can be used to eliminate excess moisture. However, this is just temporary solution and should be used only as the last option. If Borehamwood double glazing has allowed to sit for too long, you may be experiencing mold or dampness within your home, which must be addressed by a specialist.
For a more long-term solution you can have your double-glazed windows resealed by professionals. They'll remove the affected piece of glass, clear the gap and pipe into hot air to evaporate any remaining moisture. In this process, they'll look for signs of the presence of mildew, mold or damage growth and apply a draught-proofing treatment to ensure that your windows are completely operational and energy efficient again.
Draughts
As time goes by the rubber seals around the edges of your glass insulated can break down and this can create a draught in space between the two panes. This is usually a minor issue that can be resolved by replacing the gaskets and this will result in a sturdy and airtight seal once again. This will keep warm air inside your home, and the colder air outside, saving you money on your energy bills.
Double glazing that has mist could be an indication of blow-blown seals. The unit is comprised of two panes of argon-filled glass separated by a spacer, creating an airtight window. If the seal has blown the water vapour will get into your space through the gap. This can result in condensation between the glass panes, which can't be sucked out.
This is a simple issue to fix, and windows can be easily replaced by specialists with the appropriate tools. The expert will employ an instrument designed to push into the new seals. This is usually quicker than doing it by hand. These tools have an angled tip that can be used to push the seals into corners.
A professional may be able'reseal your windows by drilling a small gap in the window, and adding a desiccant or putty. This is less expensive than replacing your double-glazed windows and will still provide you with an effective draught proofing system.
Faulty Hinges
Misted double glazing is a frequent problem that many people experience. It can be caused by a damaged seal or a crack in the glass or a problem with the frame or mechanism. The good news is that it can often be solved. Typically, this is done by creating a new seal between the two glass panes. The new seal will stop condensation, draughts, and leaks from occurring.
If you discover any issues, you must contact the company that sold you your windows. Make sure you do this in writing and ask them to confirm that they have received your notice. Writing everything down will be helpful later if any disputes arise, as it will be easier to prove that you did complain.
In some instances the window repair expert may be able to drill a hole in your windows to draw out moisture and make a 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, which will ensure it is watertight.
It is important to keep in mind that you should only attempt DIY fixes only if you have the experience and know-how required to make the attempt. Super glue or other DIY solutions can cause more long-term damage. It is always best to seek help from a professional if you are unsure what to do. By entering your postcode into the search box of Checkatrade will allow you to find an expert in your area who can provide double repair of your glazing. All of our tradespeople are thoroughly vetted and checked, so you can trust them to provide a high-quality service.
Broken Seals

Double glazed windows are held in place by seals on windows or gas. They are susceptible to damage due to a variety of factors, including age, weather conditions, and power washing. It is crucial to know the symptoms and how to repair them.
If a window seal is damaged, humid air can seep between the two panes glass, creating fog. This is a frequent issue that can also make the window appear distorted. If the seal fails, argon and other inert gases are removed from the window, thereby reducing the glass's insulating qualities.
A damaged window seal can be repaired by replacing it with a a new one by an experienced glazier. However, this can be expensive and may not resolve the fog issue completely. Certain companies offer defogging, which involves placing an air pump inside the frame of the window to eliminate moisture and clear the glass. However this method isn't foolproof and doesn't replace any inert gas, and the fog could be re-applied.
A glazier may also replace the entire IGU (insulated glass unit) if it is beyond repair. This is the most cost-effective option and can be a great choice if you are seeking a long-term solution. It is recommended to choose an option that provides a warranty on replacement windows. This will ensure that any problems that you might encounter are covered. You can be certain that your investment will yield the best results. You can also attempt to avoid this issue by choosing a premium window and following the manufacturer's care instructions. This will help to prolong the lifespan of your window and minimize the need for repairs.