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How to Repair Double Glazed Windows There are some telltale signs your double-glazed windows must be fixed. Obviously, water ingress or draughts through the frames are an obvious indication of window damage and should be repaired as soon as possible. Misting may also indicate that the window seals are in need of replacement. Replacing the window seals will solve the problem, and will stop leaks, draughts or condensation. repair double glazing window of the most frequent issues a double-glazed window face is broken glass. Double-pane windows are more difficult to break than single panes, however accidents can still happen. It is important to repair the broken glass as soon as possible. Remove any loose glass fragments that might be inside the frame. Don't forget to wear eye protection and gloves when doing this, as glass can be extremely sharp. Be sure to check the floor for loose pieces once the shards are gone. Also, it is an excellent idea to look for any hooks made of metal that may be holding the panes together and remove them too. Once the glass is removed, you can begin the process of removing the old compound and glazing points (small fasteners that fix the glass into the window frame) and replacing them with new ones. It's a lengthy process that requires the use of a few tools. You will need latex glazing putty and metal glazing points, pliers an electric heat gun, and a putty blade. It is recommended to begin at the top and work your way downwards as you remove the old points and glazing compound. This will help you avoid getting any of the sash's paint or wood stuck to the tool. If you do end up removing a portion of the sash's wood, ensure that you use a chisel or utility knife instead of a chemical stripper, as this can cause damage. After you've finished ensure that you remove any wood that is not sanded to smooth it. When it's smooth, you can apply Linseed oil or a clear wood sealer to shield it from water and future damage. There are a few simple solutions you can try for a cracked double-pane window, but these methods won't fix the crack and should only be used as a temporary solution. Utilizing silicone caulk will help to seal the gap. However, it is important to use a high-quality caulk and the correct application techniques. Condensation If you notice a haze of moisture or mist between the panes of glass that you have double glazing it means that the window seal has failed. This could be a problem because it prevents the gas or air that is used to insulate from being trapped between the two panes of glass and therefore it can't perform its job effectively and can cause temperature fluctuations which can cause condensation to form. Fortunately, this issue can be easily repaired by a double glazing expert. The window company will take out both the window sash and window as well as the IGU (insulating unit) to fix the problem. Then a new gasket is blown in to form an airtight seal and prevent condensation from occurring in the future. They will also use a drying agent to aid in drying the area out and stop the condensation from recurring. You may also notice fog between glass panes in a double-glazed windows when the frame has changed over time. This will break the seal. This could be a problem as it means that your windows will not function correctly and will lose energy efficiency. Although it is possible to replace the panes of a double-glazed Window but this can be quite expensive and is normally only needed when there are serious issues with the window that is beyond repair. However, if you've discovered the signs of a problem with your double-glazed windows and you're still within the warranty period it could be possible to have the issue fixed for free or at a lesser cost. It's a good idea to check the terms of your warranty before you contact the company to see whether they are able to resolve the problem without replacing the entire window. Double-glazed windows are usually covered by guarantees of between 10 to 20 years, which means you might find they're able to repair the defective window units instead of replacing them completely. If this is the case you're in, they'll send a specialist out to repair your double-glazed windows. They usually can complete the task quickly. This is a much less expensive alternative to purchasing and installing new double-glazed windows. It's also better on the environment! Broken Locks & Handles It can be a huge issue if your window handle is damaged or broken, or if it is difficult to open. You will not be able to open your windows. This could also give burglars the opportunity to break into your home. There are a variety of options to fix it, but the best way is to call a uPVC expert. Depending on the severity of the problem they will usually be able to fix it for you or at least provide you with an alternative handle. There are many kinds of window locks but the most popular is the Maco or Mila locks that are commonly found on uPVC frames. These locks use bayonet style rods for locking and are very easy to seize up. The handle's nose is stuck in the popped-out position and it will not return to the wedged lock position. This could be a annoying issue, but it can be solved by following a few steps. To fix the problem you must first remove the handle, which is easy enough using a screwdriver. After the handle is removed, you will be able to see the screws holding the lock to the frame. Once the screws have been removed you can then employ pliers or a wrench to attempt to grasp the bolts that hold the shoot. If this doesn't work it is possible to insert the tool into the gap between the frame and window (the gap could differ on the opposite side of the window) and then make an “u” shape using your hands to try and grasp the bolts. If you manage to free up the shoot bolts, then you can close the window by adjusting the handle to the closed position. But, it will not open again with the handle, as the gearbox (espag or espagnolette) is likely to be damaged. It is possible to repair the gearbox without the shoot bolts which means that the window can be opened by the handle (and is still secure), but you will need to order the new handle and gearbox. Broken Hinges If your uPVC window hinges are no functioning properly it is possible to replace or repair them. It could be that the window was opened too tightly, or that the hinge snapped. They could also have a flaw. It's simple to replace the hinge, so you don't need to buy new windows. First, you'll need to take off the hinges that are currently in place. To do this, unscrew the screws that hold the frame to the hinges. Once you've removed the hinges and replaced them with plywood boards that are cut to the proper size. The plywood should be more dense than the original to support the weight when the window is shut and opened. You'll also need to use a wood filler to ensure that the hole created by the hinge is completely filled and will not leak or loosen in the future. After you've replaced the hinges and filled the holes, you'll need to paint them. Make sure you use a high-quality paint to ensure it will last as long as it can. When the paint is dry and you are ready to re-attach the window and tighten any loose screws. Window hinges also require regular maintenance. You can ensure they last longer by cleaning them regularly on the tracks of friction and lubricating the hinge mechanism. You can also use wood preservatives to shield them from the elements, helping to keep them from corrosion and maintain their appearance for as long as you can. A double-glazed window can help you save money on heating, as it is more energy efficient than a single-glazed window. But, just like any other aspect of your home, windows are susceptible to wear and tear and could require replacement or repair in time. If you're seeing any indications that your double-glazed windows aren't working properly it's worth having them looked at by our experts in Preston.