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Why Replace a Double Glazed Sealed Unit? If you replace a double-glazed sealed unit you're doing more than fixing the broken window. You improve the health and energy efficiency of your home. If you perform your work correctly You will be able to be able to enjoy savings and comfort for many years. Taking the time to inspect and prepare the frame is essential. Preparation Double glazed units, also known as sealed units are an essential element of any Australian home. They can increase comfort and energy efficiency, offer security and lower the noise level by creating an insulating barrier between the indoors and outside world. As time passes, they may begin to fail. It is crucial to understand the root of the problem and how to repair it. Over time the inert gases which create the space between the panes of glass may escape from the unit via cracks or breakage. This is called a 'blown' double glazed unit and in this instance replacing it is the best solution to bring back thermal performance and to create an air tight seal that blocks cold air from escaping into the home. When replacing the frame, it is important to carefully examine the frame's condition and ensure that it is in good working order. If there are signs of damage it should be repaired immediately to avoid further deterioration or potential water leaks. It is important to ensure that the new sealed unit is compatible with the frame you have. The UPVC frames have very little tolerance, and if the replacement is even just a few millimetres bigger than the frame, it won't fit and will be difficult to put in the right way. It's a great idea to ask a family member or colleague to assist you in getting rid of the old one and then help with the installation of the new unit. This will ensure the proper positioning of the glass, and an easy and clean job that will provide the look you'd expect from an experienced professional. Once the old unit has been removed it is important to clean the entire frame. This will eliminate any traces of dirt or residue. prepare the surface for new sealant and ensure that it is prepared for new installation of the new unit. After the frame and glass have been cleaned it is essential to measure the thickness of the existing sealant by using a set calipers (or similar tools). This will be useful to know when making a purchase for a replacement sealant because it must be the same size to ensure a snug fit into the frame. Removal Over time, double-glazed windows, or sealed units as they are also known, may fail. The airtight seal which separates two panes fails, they can become foggy, misty, or cloudy. This allows moisture into the home, which can result in calcium deposits that could cause stains on your glass. Also, window seal repairs reduces efficiency in energy and allows cold air to get in. This can be solved by replacing the double-glazed unit. This is costly and disruptive. It is easier and cheaper to replace the seals around the edge of the double-glazed unit. This will improve your home's acoustics and energy efficiency, as well as reduce your monthly bills and increase the efficiency of your heating. To do this, you'll have to remove the old unit from the uPVC frame. It can be an unpleasant, hazardous job. However, with the right tools and attention you can safely take off existing glass. Once you have removed the old unit, it is an ideal idea to scrub the uPVC frame thoroughly. This will create an uncluttered surface to which the new sealant can adhere. This will also reveal any areas that need attention due to wear or damage. It is crucial to address these issues before proceeding with the replacement process since this could affect the performance of the new window. To clean the frame, use a paint brush to clean any dirt or debris the edges of the frame. Also, you should examine the frame for signs of damage or rot that require attention. This is a crucial step to ensure the integrity of your house and ensure that your new double glazing performs just as it should. Installation Over time, double glazing units can fail or as they are also known “sealed units”. The majority of the time, this happens due to a failure of the airtight seal that is around the edges of the two panes. This allows the inert gas argon to escape from the window that is intended to be insulating. This isn't a good thing since it lowers the window's thermal performance and increases the cost of heating. A double glazing replacement unit will improve the insulation of your home and lower the cost of energy. The first step in any sealed unit replacement is to evaluate the extent of the damage. A thorough inspection will reveal problems such as chips, cracks, or fogging between glass panes as well as damage to the frame and seals. This will help determine if it is necessary to replace the entire frame or if alternative repair options are available. After the assessment the removal process can begin. It is important to ensure that the window is set up correctly and that a high standard of craftsmanship is maintained throughout the process. This is especially crucial during the sealing stage. It is essential to choose the right sealant made of silicone, which is able to withstand Australia's varied weather conditions, and will not crack or break down. Before installing the double-glazed sealed unit, it is vital to make sure that the frame is clean and free of dust and debris. Remove any old sealant using a utility knife or putty knife. The frame should be prepared for the new sealed units. Before applying the new silicone sealant it is a good idea to employing a caulking remover. It is also crucial to accurately measure the width and height of the glass unit that is in use. A slight error could compromise the fit and cause extra cost. To avoid this, measure from a number of points to account for any slight variations in the frame. After the installation, you'll need to reseal your frame with silicone caulk. This step isn't just an officiality, it's an important step in safeguarding the window's new double glazing against the harsh Australian weather. Sealing Double glazing is designed to keep your home cooler in the summer and warmer in the winter by adding an additional layer of insulation that contains the inert Argon gas. Over time however the sealed units (also called glazed units) may fail, and cause the gas that is used to insulate leak out. The signs of this may vary but often include a foggy appearance to the glass or a draught in your home. To correct this, you'll need to change the sealed unit. There are many different ways that you can do this, however the most important factor is ensuring that you correctly size your new window to ensure that you do not risk your new glass breaking. The first thing that needs to be done is to prise the beads away from the frame using an abrasive chisel, or screwdriver, and then remove the sealed unit. After removing the seal, you will need to measure the unit's width, height and thickness. This will ensure that the replacement is made to the correct measurements and so it can offer a superior and efficient degree of insulation. The next step is to apply a new silicone sealant after the replacement sealed unit is properly measured. This is a crucial step to reseal your window and should be done according following the instructions provided by the manufacturer to ensure it bonds with the window properly and creates an airtight seal that will keep out moisture and air. When applying the sealant use a smoothing tool to run across the entire window; this will help to ensure that there aren't any gaps or uneven areas, and will give the window a professional appearance. After the silicone has dried it is now possible to take pleasure in your newly sealed double-glazed windows, with all the benefits that they provide. They will make your home more comfortable and lower your energy bills.