Repairing Double Glazed Windows Double glazing is a reliable way to heat and cool your home, but it can develop problems over time Fortunately, the majority of these problems can be fixed without the need to replace them Condensation is a common problem It occurs when the air tight seal that seals in the gas that acts as an insulator between the panes breaks 1 Broken Panes A rogue baseball, the wrath of a raging storm or simply a heavy vase dropped on your window - any of these can break a double-glazed window Most of these damaged double-glazed windows can be repaired by you and save you the hassle and expense of replacing them It is possible to repair a damaged glass pane that is still sealed and has no holes using a strong-hold tape This will stop the crack from getting worse while you look for a permanent fix If the crack is larger it is necessary to remove and replace the pane It is best to only attempt this task only if you're a skilled DIYer Make sure you use the right safety equipment when dealing with broken glass To begin, you must start by cleaning the frame of the window and scraping away old glaze putty, varnishes, paints and metal glazier points You'll also need to take off the wood molding the frame on the other side of the window https//glazingandlockrepairstop/ could require the use of a flat pry-bar or chisel If the frame has grooves that resemble l-shaped where the new window will be placed, it's best to sand them down to bare wood, and then apply an adhesive to ensure that the glass fits properly After the frames have been cleaned and clean, it's time to put in the new window pane It's a tangled, delicate task It is important to ensure that the lines of glazing in corners are smooth If you are repairing the frame of a wooden structure it is necessary to make use of a woodworker's hammer as well as a chipper to remove the old putty, making sure that you don't scratch the surrounding molding If you have windows with double glazing that are not sealing properly, you could observe condensation between the two glass panels or it is difficult to open and close This is most likely due to poor manufacturing or a inadequate installation by a professional, so it's important to choose a reputable company when buying and installing your windows If the issue persists it is recommended to seek out an expert for repairs to double-glazing 2 Condensation While double-glazed windows generally last for a long time, it is inevitable that some need to be replaced A misted glass is usually an indication of an airtightness issue between the two panes A damp or draught can cause damage to carpets, curtains, and other furnishings It can also cause rot and water ingress into the home Fortunately, a double glazed window can be easily repaired by an expert This allows you to take advantage of the benefits of a new double glazed window again The condensation and draughts that can occur between double-glazed windows is caused by a difference in temperature between the outside and inside of the glass This creates moisture and water droplets that build up over time, especially in winter When these droplets become a problem, they can block the view of the entire window and they can be difficult to remove without damaging the glass You can fix a misty window by using a specific drill to create tiny holes in the top and the bottom This is done to help remove the moisture that has built up between the glass Once the moisture is removed the anti-fog solution may be applied to the inside of the glass, and vents may be fitted so that the window can breathe naturally Professionals can fix double-glazed windows saving you the cost of replacing the window It is worth checking your guarantee to see if this type of repair is covered If not, it may be necessary for you to replace the double-glazed unit You should find a professional you can trust for your repairs Checkatrade will help you find tradespeople that have been vetted and checked to ensure they do quality work You can also read reviews from customers to see what other people have said about a tradesperson 3 Leaks When water seeps out the double glazing around it, this can cause significant damage to your home This is usually a sign that your window seal has failed and water has penetrated into the plaster or wall around the window This could cause mold and dampness and must be addressed as soon as possible to avoid further damage The leaks from windows can be a difficult problem to diagnose however a little research can help identify the source of the leak Find dark spots on the walls around the windows, or water pooling on the sills following a rainstorm This indicates that the window seals are in need of being replaced Contact an expert in double glazing repair in your area Additionally, water leaks from a window can be due to issues with the caulk that surrounds the frame or the brick or stone walls that surround the windows You can probably solve this problem on your own if you use silicone caulking Another issue with leakage that is common to double-glazed windows is the misting between the two glass panes This occurs when the space between the two panes is filled with moisture It isn't easy to get rid of, but you can try to fix the issue First, ensure that there is no condensation on the inside of the glass This could be an indication of an issue with your window seal, or the argon in the sealed unit is out This can be a sign that there is a problem with the window seal or that the argon gas in the sealed unit has been released You might also notice that the edges of the double-glazed window begin to separate from the frame This could be because of a lack of maintenance or the frames have changed over time The good news is that a 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 enhance the appearance of your windows, but will also increase their energy efficiency 4 Sagging Double glazed windows can mist up and cause condensation between the glass panes This is usually due to a large difference between outdoor and indoor temperatures The rubber seal that stops moisture from entering the insulating gap between the glass panes is broken down Over time, this can result in one or both glass panes fogging up It's important to call an experienced team immediately if you notice misting This is an indication that the window seals have been damaged Another issue is that the window's sash may begin to rub against the frame This is a sign that the uPVC window is sagging and requires professional attention A sagged uPVC window will not close properly and can let draughts from outside into your home Examine the corners of the sash as well as the window casing to determine if your window has sagged If the corner of the window sash is bumping against the bottom of the window frame, then this is an indication that the sash has dropped and needs repair uPVC windows are built to last, however, like all components they will eventually wear out This is due to the pounding they take from extreme weather conditions and strong winds, as well as general wear and tear If you're experiencing issues with your uPVC doors or windows and doors, it is crucial to contact a specialist double glazing repair company as soon as possible Double-glazed windows can usually be repaired using the same procedures as single-pane glass In some cases the entire window structure will require replacement and not only the glass This is a procedure known as retrofitting The cladding, the interior lining, and the existing frame are replaced by new double-glazed IGUs This is a more cost-effective solution than replacing the entire window It's also less invasive and can be done within a matter of days