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Why Replace a Double Glazed Sealed Unit? If you replace the double-glazed seal, you're more than just fixing an unusable window. You increase the energy efficiency and health in your home. Make sure that the work is done correctly and you'll have years of comfort and savings. It is important to take the time to check and prepare the frame is vital. Preparation Double glazed units, also known as sealed units are a crucial component of any Australian home. They can increase comfort and energy efficiency, provide security and reduce noise levels by forming an insulating barrier between the indoors and outside world. However, with time they can begin to fail. It is essential to identify the reason for this and then repair it. In time, the inert gas that fills the space between the glass panes could escape through cracks or other damages to the unit. This is a blown double-glazed unit. In this situation it is recommended to replace the unit in order to restore the thermal performance and airtight seal to prevent cold air from entering your home. When replacing the frame, it is essential to evaluate the condition of the frame and ensure that it is in good condition. It is important to repair any damage promptly to avoid further deterioration and leaks. It is also important to ensure that the new sealed unit is of the correct size for the frame that is currently in place. The UPVC frames have very little tolerance and if the replacement is even a few millimetres too big it will not fit and will be difficult to install properly. It is recommended to get a friend or colleague to assist with the removal of the old unit as well as assist with the installation of the new one. This will allow for the proper placement of the glass and an easy and clean job that will give the finish you would expect from professionals. Once the old unit has been removed it is important to wash the entire frame. This will remove any traces of dirt or residue, prepare the frame for new sealant and ensure it is ready for a fresh installation of the new unit. After the frame and glass have been cleaned it is essential to determine the thickness of the existing sealant by using a set calipers (or similar tools). window seal repairs repairmywindowsanddoors.co.uk will be useful when ordering a new sealed unit, as it will require the same thickness to fit comfortably into the existing frame. Removal Over time, double glazed windows or sealed units as they are also called, can fail. As the airtight seal that is used to seal two panes of glass fails, they can become foggy, misty, or cloudy. This allows moisture into the home, which could cause calcium deposits that may damage your glass. It also reduces energy efficiency and allows cold air to pass through. This can be solved by replacing the double-glazed unit. However, this can be expensive and disruptive. An easier and less expensive option is to replace the gasket seals on the edges of the double glazed unit. This will improve the thermal efficiency as well as reduce the cost of energy and improve the acoustics of your home. In order to do this, you'll need to remove the existing unit from the uPVC frame. It's a messy, dangerous job. But with the right tools and attention you can safely remove existing glass. Once you've removed the old unit it is recommended to wash the uPVC frame thoroughly. This will create a clean surface on which the new sealant will adhere. This will also reveal any areas that require attention due to damage or wear. It is crucial to address these issues prior to proceeding with the replacement process since this could affect the performance of the new window. Use a paintbrush to clean dirt and debris from the frame's edges. Examine the frame for signs of rot or damage that requires attention. This is an essential step to ensure the integrity of your home and ensure that your replacement double glazing functions exactly as it is supposed to. Installation Over time double glazing units can break, or as they are sometimes referred to “sealed units”. This is typically due to a problem with the air-tight seal around the edges of the two panes of glass. This lets the gas inert to escape through the window that is designed to keep it in place. This is not good because it reduces the thermal efficiency of the window, which increases heating bills. Double glazing will improve the insulation in your home, and will reduce your energy bills. The first step in any replacement of a sealed unit is to determine the extent of the damage. A careful inspection can reveal problems such as chips, cracks or fogging between the panes of glass, as well as damage to the frame and seals. This will help determine whether replacing the entire glass is required or if other repair options are available. After the evaluation is completed the removal process can begin. It is important to ensure that the new window is installed properly and that a high standard of workmanship is observed throughout the process. This is especially important during the sealing phase. It is crucial to select a silicone sealant that is able to withstand Australia's varied weather conditions and will not crack or break down. It is important to clean the frame and eliminate all debris and dust prior to installing the new sealed double-glazed unit. A utility knife and a putty blade should be used to remove any sealant that is old and make sure the frame is ready for the new sealed unit. It is a good idea to remove the caulking prior to applying the new silicone sealant. It is also essential to be precise in measuring the height and width of the existing glass unit. This is because a small error can cause a problem with the fit of a new unit and lead to additional costs. To avoid this, take measurements from multiple points in order to allow for tiny variations in the frame. Once the installation is completed and the frame is in place, it's time to seal the frame with an adhesive caulk made of silicone. This step isn't just a formality; it's a crucial step to protect the new double glazed window against the many Australian weather conditions. Sealing Double glazing is designed to keep your home cooler during summer and warmer in the winter months by providing an additional layer of insulation, which contains the inert Argon gas. Over time, the sealed units can fail and leak the insulating gases. Symptoms of this can vary but often include a foggy appearance to the glass or a draught inside your home. To correct this issue, you'll need to change the sealed unit. You can do this in various ways, but the most important is to ensure that the window you choose to replace is of the correct size. This will prevent the glass from breaking. The first thing to be done is to prise the beads away from the frame with a sharp chisel or screwdriver, and then take off the seal. After removing the seal, you will need to measure the unit's width, height, and the thickness. This will ensure that your replacement is built to the correct dimensions and can provide superior and efficient level of insulation. Once the replacement sealed unit has been correctly measured, the next step is to apply the new silicone sealant. This is a crucial step in resealing your windows and must be carried out in accordance with the instructions of the manufacturer to ensure that it bonds with the window properly and creates a watertight seal to stop moisture and air from entering. Make use of a smoothing tool to apply the sealant. This will ensure that the window is completed professionally and has no gaps. After the silicone has dried it is now possible to enjoy your newly sealed double-glazed windows and all the benefits that they provide. They will keep your home more comfortable, reduce your energy bills and even aid in reducing the amount of carbon dioxide emissions from your home.