Repairing Double Glazed Windows Double glazing can provide an energy-efficient solution for heating and cooling, but over time, it's easy for windows to break down Thankfully, the majority of these problems can be fixed without having to replace the windows A common issue is condensation This occurs when the airtight seal between the panes that hold the insulating gases in fails 1 Broken Panes A rogue baseball, the wrath of an enraged storm, or dropping a large vase on your window All of these can break windows with double glazing The majority of broken double-glazed windows can be repaired by you and save you the hassle and expense of replacing them If you have a cracked pane of glass that is still sealed and does not have holes, you can usually fix the issue by using the use of a strip of strong-hold tape This will prevent the crack from becoming worse while you search for a permanent fix If the crack is bigger, you'll need to remove and replace the entire pane It is best to only attempt this when you are a seasoned DIYer Make sure you use the right safety equipment when dealing with broken glass To do this, begin by cleaning the window frame and scraping away old glaze varnishes, paints, putty and glazier points made of metal Remove the wood moulding around the frame on one side of the windows This could require a flat pry bar or a chisel If the frame has grooves that resemble l-shaped in which the new window will be placed it is best to sand them to bare wood and then apply a sealer to ensure that the glass fits correctly After the frames have been cleaned, it's time to install the new window pane It's a messy and delicate task It is important to make sure that the lines of glazing in corners are smooth If you are repairing an old wooden frame and you want to make use of a woodworker's hammer as well as a chipper to remove the old putty ensuring you don't break the surrounding molding It is possible that windows with double glazing aren't sealing properly if you notice condensation in between the glass panels It may also be difficult to open or close This is most likely due to inadequate manufacturing or a lack of a professional installation, so it's important to select a reputable business when buying and installing your windows If you're experiencing issues it is recommended to speak with an expert in double-glazing repair 2 Condensation While most double glazed windows last for a long time, it is a given that some windows will need to be repaired A misted window is often an indication of a problem with the airtightness of the gap between two panes of glass A humid and draughty air can cause damage to curtains, carpets, and other furnishings It can also cause rot and water to enter the home Fortunately, a double-glazed window can be easily fixed by a professional, which allows you to enjoy the benefits of a new double glazed window for the next time The condensation and draughts that can develop between double glazed windows are caused by a difference in temperature between the outside and inside of the glass This results in water and moisture droplets that collect over time, especially in winter Droplets from these can cause a cloud to form on the window and are hard to get rid of https//glazingandlockrepairstop/ can fix a misty window by using a specific drill to make tiny holes at the top and bottom This allows the water to escape that has accumulated between the glass After the moisture has been removed, an antifog product can then be applied inside the glass Vents can also be installed to let the window breathe naturally Professionals can fix double-glazed windows saving you the cost of a new window It is worth checking your guarantee to determine if this kind of repair is covered If not, it might be necessary to replace the double-glazed unit It is important to find a professional you can trust to carry out the repair work The Checkatrade website can help you find a tradesperson that has been thoroughly checked and vetted to ensure that they can provide top-quality workmanship They also provide you with customer reviews, so that you can find out what other customers have written about the tradesperson's service 3 Leaks Leaks of water from double glazing can cause serious damage to your home This is typically a sign that the window seal has failed, and moisture has penetrated into the wall or plaster around the window This can cause mold and dampness and needs to be fixed as soon as possible to avoid further damage The leaks of water through windows isn't always easy to identify However, a bit of investigation can help you pinpoint the source Look for dark patches on the walls near the windows, or water accumulating on the sills following a rainstorm This is a sign that the window seals need to be replaced Contact a double glazing repair expert in your region Additionally, water leaks from a window could also be the result of issues with the caulk around the frame, or the stone or brick walls that surround windows It is possible to fix this problem yourself if you use silicone caulking A typical double-glazed window leakage is misting This occurs when the space between the two panes is filled with moisture This can be a challenge to eliminate However, there are a few ways you can resolve this issue Make sure there isn't any condensation inside the glass This could be a sign that there is a problem with the window seal or that the argon gas in the sealed unit has been released If this is the case, it is likely that the sealed unit needs to be replaced, however this is not always possible Lastly, you may also be noticing that the edges of your double glazed window are beginning to break away from the frame This could be due to a lack of maintenance or due to the frames having changed over time The good news is that an UPVC window expert can help you resolve this issue by replacing the hinges, locks and handles on your double-glazed windows This will not only improve the appearance of your windows, but also their energy efficiency 4 Sagging It is quite common for double-glazed windows to become cloudy and then condensation to form between the glass panes This is often because of a significant variation in outdoor and indoor temperatures The rubber seal that blocks water from entering the insulating gap between the glass panes is broken down Over time, one or both panes of glass can become cloudy It's important to call an experienced team as soon as you notice a haze This is a sign that the window seals are broken The sash can also begin to rub on the frame This is a sign of sliding uPVC and requires professional attention A sagged uPVC window will not close properly and will let draughts from outside into your home Check the corners of the sash and the window casing to see whether your window has sagged If the corner of the window sash is bumping against the bottom of the frame, it is an indication that your sash has fallen and requires repair Upvc windows are made to last, but like all components they will eventually wear out This is due to the abuse they receive from harsh weather conditions and strong winds as well as general wear and wear and tear Contact a double glazing business as soon you can when your uPVC windows or doors are causing problems Double-glazed windows can be repaired using the exact same techniques as single-pane glasses However, in some instances the window structure you have currently require replacement, rather than just the glass This is a procedure known as retrofitting This is where the internal lining, cladding and frame are replaced with new double glazed IGUs insulated glass units This is a less expensive option than replacing the entire window It's also a less intrusive solution and is typically completed in just a few days