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How to Repair Double Glazed WindowsThere are several tell-tale indicators that indicate that your double-glazed windows require repairs. Draughts and water ingress are clear signs of damage to the frames of the windows. They must be fixed in the shortest time possible.Misting can also indicate that your window seals are damaged and in need of replacement. Replacing the seals can fix the problem and prevent condensation, draughts or leaks.Broken PanesBroken glass is among the most frequent issues that double-glazed windows confront. Double pane windows are much harder to break than single pane windows however, accidents can occur and you’ll need to fix a broken window as soon as is possible.The first step is to remove any glass fragments that are loose that remain in the frame. Wear gloves and eye protection when you remove the glass because it could be extremely sharp. Check the floor for any fragments that are not fixed after the shards are gone. It is also a good idea to look for any hooks of metal that might be keeping the panes in place and take them out too.Once the glass is removed, you will have to take off the old glazing compound (small fasteners that hold the glass to the frame of the window), and replace them with new ones. This can be a lengthy procedure and requires several tools to get the job done. You will require latex glazing putty, pliers, glazing points, pliers, a heatgun and a putty blade.When removing the old glazing compound and points, it’s best to start at the top of the sash and begin to work your way down. This will keep any wood or paint from the sash from sticking to the tool. If you need to remove a portion of the wood from the sash, make use of a utility knife or a chisel instead of chemical strippers, which can cause damage.Finally, when you’re finished make sure you remove any wood that is not sanded to smooth it. When the wood is smooth you can seal it using clear or linseed wood sealer. This will help protect it from future water damage.There are a few simple fixes to repair cracked double pane windows. However, these methods won’t fix the problem and should only be used as an interim solution. The use of a silicone caulk may aid in sealing the gap, but you need to make sure that you choose a high-quality caulk and follow proper application techniques.CondensationIf you notice a haze of moisture or mist between the panes of glass that you have double glazing it is a sign that your window seal isn’t working. This can be a problem because it blocks the insulating air or gas from getting trapped between the two glass panes and therefore it can’t perform its job correctly and this will lead to temperature changes that cause condensation to form.A double glazing specialist can easily fix this issue. Your window contractor will remove both the window sash as well as the IGU (insulating unit) to address the issue. Then a new gasket is blown in to form an airtight seal to prevent condensation from occurring again. repairing double glazing will also use a drying agent to help the area dry out and prevent the condensation from occurring again.The other reason why you may see a haze between the glass panes of windows with double glazing is because the framework has shifted over time, which breaks the crucial seal. This can be a major issue as it means that your windows won’t function properly and will lose their energy efficiency.While it is possible to replace the panes of a double-glazed Windows however, it can be extremely expensive and is typically only required when there are serious issues with the window that are beyond repair. If you have a problem with your double-glazed window but are still in the warranty period, you might be able repair it at no cost or at a reduced price.It is worth checking the terms of your warranty prior to you contact the company to see whether they can resolve the problem without replacing the entire window. Double-glazed windows typically come with an assurance of 10 to 20 years. You might find that the company can fix the window unit instead of replacing it. 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 less expensive alternative to purchasing and installing new double-glazed windows. It’s also better for the environment!Broken Locks & HandlesIt could be a major issue if the handle of your window is damaged or broken, or if it is difficult to open. You won’t be able use your windows. It also gives burglars the chance to gain entry into your home. There are a few options to fix it, but the best way is to contact a uPVC expert. Based on the severity of the issue they will usually be able to fix it for you, or at a minimum, give you a new handle.There are a few different kinds of window locks but the most popular is the Maco or Mila locks which are typically found on uPVC frames. These locks employ bayonet rods for locking and are very easy to seize up. If this occurs, the handle’s nose will be stuck in the popped out position and will not go back into the wedged locked position. This can be a frustrating problem, but it can be resolved with just a few steps.To fix the problem, you will need to first take off the handle, which is easy enough using the aid of a screwdriver. After removing the handle you’ll be able to view the screws that hold the lock to the frame. Once the screws are removed, you can attempt to grab the bolts using an awl or a pair of pliers. If this is unsuccessful it is possible to insert the tool into the gap between the window and frame (the gap could be different on each end of the window) and create an “u” shape using your hands to attempt to grasp the bolts.You can shut your window by moving the handle to the closed position if you are in a position to release the bolts that shoot. However, it won’t be able to open again using the handle because the gearbox (espag or espagnolette) will probably be faulty. It is possible to repair the gearbox without the shoot bolts so the window can be opened using the handle (and is still secure), but you will require the new handle and gearbox.Broken HingesIf your uPVC window hinges are no longer operating smoothly it is possible to repair or replace them. It could be that the window was opened too forcefully, or that the hinge snapped. They could also have a defect. Thankfully it is easy and quick and there’s no need to purchase a new window – you can simply get your old windows repaired instead.Remove the hinges. This is done by removing the screws that attach the hinges to the frame. Once the hinges have been removed, you can replace the boards using plywood that has been cut to the right 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 left by the old hinge is filled to the brim and will not leak or loosen in the future.Once you’ve replaced the hinges and filled the holes, you’ll have to paint them. Be sure to apply a high-quality paint to ensure that it lasts as long as is possible. After the paint has dried, you can re-attach the window and tighten any loose screws.Window hinges also require regular maintenance. Cleaning regularly the track of friction and lubricating the hinge mechanisms will help them last longer. You can also apply wood preservatives to shield them from the elements, which will help to prevent corrosion and keep them looking great for as long as you can.Double-glazed windows are more energy efficient than single-glazed windows and will save you money on heating. As with any part of your house, your windows will eventually require to be repaired or replaced. Our Preston experts can help you if there are indications that your double-glazed windows aren’t functioning correctly.