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How to Repair Double Glazed Windows There are a few indicators that indicate your double-glazed windows need to be fixed. Water infiltration or draughts that enter the frames are a clear sign of damage to the window and must be repaired as soon as is possible. However, misting can also be an indication that your window seals require replacement. Replacing the seals will solve the problem and prevent condensation, draughts or leaks. Broken Panes One of the most common issues a double-glazed window face is broken glass. Double-pane windows are harder to break than single panes, but accidents can still happen. It is important to repair a damaged glass as quickly as possible. The first step is to remove any loose shards of glass that are still in the frame. Wear gloves and eye protection while removing the glass as it can be very sharp. Check the floor for any fragments that are not fixed after the shards have been removed. It is also an excellent idea to pull out any metal hooks holding the panes together. Once the glass is removed, you will need to remove the old glazing compound (small fasteners which pin the glass in the frame of the window), and replace them with new ones. It's a lengthy procedure that requires some tools. You will require latex glazing putty, pliers, glazing points, pliers a heatgun and a putty blade. It's best to begin at the top and work your way downwards in removing the old points and glazing compound. This will ensure that you don't end up getting any of the sash's paint or wood stuck to your tool. Also, if you remove some of the sash's wooden pieces, be sure to employ a chisel or a utility knife instead of a chemical stripper, because this could cause damage. After you've finished, be sure to scrub any wood that's not finished to smooth it. When it's smooth you can apply linseed oil or a clear wood sealer to safeguard it from future water damage. There are a few quick fixes you can attempt for a window that is cracked by a double-pane however, these methods won't fix the crack and should be used only as a temporary solution. The use of a silicone caulk may help to seal the gap, but you need to make sure that you use a high-quality caulk that is applied using the proper methods. Condensation If you've noticed water or mist between the glass panes of your double glazing, it means that one of your windows has a failed seal. This could be a problem because it stops the gas or air that is used to insulate from being trapped between the two glass panes and therefore it can't perform its job properly and this can lead to temperature changes which can cause condensation to form. Fortunately, the issue can be easily fixed by an expert in double glazing. To correct the issue your window company will take out the window sash that is affected and IGU (insulating glass unit) before putting in a new gasket. This will create a sturdy and airtight seal to prevent condensation from happening again. They will also employ drying agents to help the area dry out and stop the condensation from recurring. repair double glazing windows why you might notice a misty appearance between the glass panes of windows that are double-glazed is that the frame has moved over time, which breaks the seal that is so crucial. This could be a major issue, since your windows won't function effectively and lose energy efficiency. It is possible to change a double-glazed window's panes however, this can be costly and is usually only required in the event that the window is beyond repair. If you've noticed the signs of a problem with your double-glazed windows and you're still within the warranty period it could be possible to have it fixed for free or at a lesser cost. Verify the warranty conditions prior to calling the company to find out whether they can solve the problem without replacing the whole window. Double-glazed windows are usually covered by warranties ranging from 10 to 20 years, which means you might find that they can repair the defective window units instead of replacing them completely. If this is the case, they'll likely send a specialist to repair your double glazed windows and are usually able to do so quickly. This is a much cheaper option than buying and installing brand new double glazed windows and is also better for the environment! Broken Locks & Handles When your window handle is damaged or difficult to open, it could be a major problem as it prevents you from using your windows. This can also give burglars the chance to gain entry into your home. There are many ways to fix this however the most effective option is to speak with a uPVC professional. Depending on the severity of the problem, they can usually come and repair it for you, or at least provide you with a replacement handle. There are many different kinds of window locks, but the most well-known is the Maco or Mila lock that can be found on the majority of uPVC frames. These locks lock with rods that resemble bayonets, which could easily be jammed. If this occurs, the handle's nose will be stuck in the popped out position, and won't be able to return to the locked wedge. This can be a very frustrating issue, but it can be solved with a few simple steps. To fix the issue, you'll need to take off the handle. This should be simple enough using the help of a screwdriver. After you have removed the handle, you'll be able to view the screws that hold the lock to frame. Once the screws have been removed, you can employ pliers or a wrench to try and grab the shoot bolts. If this does not work, you can insert the tool between the frame and the window (the gap could be different at each end of the windows) and create an “u” shape using your hand to grab the bolts. If you can manage to unblock the shoot bolts, then you can close the window by moving the handle into the closed position. But it won't be able to open again with the handle because the gearbox (espag or espagnolette) is likely to be damaged. It is possible to repair the gearbox without the shoot bolts thus the window will be opened using the handle (and will still be secure) However, you'll have to purchase the new handle and gearbox. Broken Hinges You may need to replace or repair your uPVC windows hinges if they are not operating smoothly. It could be because the window was opened too forcefully, or that the hinge snapped. They could also have a flaw. Thankfully it is easy and quick and there's no need to buy windows from scratch and you can have your old windows repaired instead. Take off the hinges. To do this, unscrew the screws that attach the frame to the hinges. After the hinges have been removed then you can replace the boards using plywood that has been cut to the right size. The plywood should be thicker than the hinges that came with it to help support the weight of the window when it is closed and opened. It is also recommended to use a wood filler to ensure that the hole left by the old hinge is filled to the brim and will not leak or break in the future. Once you've replaced the hinges and filled the holes, you'll have to paint them. Be sure to use a high-quality paint to ensure that it lasts as long as it can. Once the paint is dry, you can attach the window again. Secure any screws that are loose. Regular maintenance is also essential for window hinges. You can ensure they last longer by regularly cleaning the tracks of friction and lubricating the hinge mechanism. You can also apply wood preservatives to shield them against the elements. This will prevent corrosion and keep them looking great for as long as you can. Double-glazed windows are more energy-efficient than single-glazed ones, and will save you money on heating. However, just like every other aspect of your home, windows can suffer from wear and tear and might require replacement or repair over time. Our Preston experts can assist you if you observe any indications that your double-glazed windows are not working correctly.