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Replacement Double Glazed UnitsOver time double glazed units (or sealed units as they are often known) can break down. This happens when the insulating properties of inert gases that are a part of the glass panes break down.If a window has fallen down, it is essential to replace it to ensure that your home is properly insulated and energy efficient. The process is fairly simple and straightforward.InstallationIf the window was put in correctly, the new unit should fit comfortably and firmly within the frame. If the new glazed unit isn't the same thickness as the previous one then you may need to modify the existing 'packers' (usually red or blue slips of plastic) inside the frame to ensure it is properly placed. Consult your installer or the instructions of the manufacturer if you're uncertain.A high-quality replacement double-glazed sealed window is manufactured to the highest standards, and should fit in your frame with minimal fuss. However, a small error can have an enormous impact on the performance of your window and should therefore be checked attentively.Modern double-glazed units are an excellent addition to any home. They are energy efficient and can save you money. They utilize argon between the panes glass to provide insulation and cut down on the amount of heat that escapes from your home in cold weather.Sometimes, these units develop issues with their seals. This happens when moisture enters the air cavity and creates condensation. The moisture that is absorbed by the windows' cavity is not just unsightly, but also affects the efficiency and effectiveness of the glass unit.Condensation can be caused by a range of factors and the best way to check is to look for a hazy or hazy appearance between the window panes. This could be a sign that the seal between the two panes of glass has been broken and moisture is flowing into your living spaces.The first thing you need to do is to take off the glass beads that surround the edges of the window. It can be tricky and a bit messy but is well worth the effort since it lets you access the wedge gasket that holds your glass in place. You will need to remove the beads with care to ensure that they don't break and it is often recommended to ask for help at this point. After the beads are removed, allow the sealed unit to drop slightly from the frame. Then, using a helper hold it in place while you precisely measure the length, width and the thickness. This information is vital because it will determine the size wedge gasket to cut for your brand new double glazed sealed units.CheckingDouble glazing units or sealed units, as they are often called, can degrade over time. This normally occurs due to a breach in the seal, which allows moisture and condensation to infiltrate the space between the panes. This can affect the capacity of the window to keep cold air out, warm air produced by the heating system in and solar gain from the sun's rays inside.Failing seals can also cause draughts inside the home. It is crucial to check regularly your double glazed windows for signs of failure. If you see water or mist forming between the glass, this is an indication that the seal is not working and a new one should be installed.It is crucial to replace the sealed unit with the correct size. The uPVC frames which the sealed unit is placed in are not tolerant of movement so even tiny millimetres of excess can have an impact on the performance of the window. To ensure that you are ordering the right size, it's best to consult an expert or the manufacturer's manual.With the help of a person who holds the new piece, gently slide it into place in the frame. It is crucial to place it in a secure spot because the glass is fragile and can be thrown out and break. After the sealed unit is secure in the frame, reconnect any packers that are at the bottom of the frame and then place the glazing beads back into their original positions. Once you've done this, give the entire window a visual inspection to ensure there are no gaps or misalignments that could affect its performance.It is also possible to apply a small amount of sealant around the perimeter edge of the frame to prevent it from moving in future. It is also a good idea to check the thickness of the glass unit. This is crucial since double glazed units are available in different thicknesses, and using the wrong thickness can affect the u-value of your home's insulation.SealingDouble glazing is a great method to increase your home's thermal efficiency as well as enhance sound quality by cutting down on the transfer of sound. Over time the seals on the glass may wear out resulting in misted or drooping windows. In these situations, replacement is essential. It is a good idea to consult an experienced double glazing installer who can assist you in selecting the appropriate glass as well as ensure precise measurements and ensure that the installation is done correctly.The first thing to be done when replacing an item that is sealed is to clean the frame. You can make use of an old paintbrush (4 inches is the ideal size) to sweep the frame out by removing dust and cobwebs that will build up within the frame over time. When the frame is clean, it's a good idea to give the new seals a clean too. It is easy to remove the gaskets that are wedge-shaped from the friction joint by placing your fingers on the edge of the gasket and pulling it away. You should also take an outline of the length that you require to make your new seals, as it will be useful in cutting them to the required size.Once the gaskets are cleaned and the frame is cleaned it's time for the sealed unit. To get the best results when doing this it's a good idea to cut off the beads (the UPVC frame clips that are used to hold the glass) and then take measurements of these. This will ensure that the seal is made to the correct size and will not leave any gaps around it.After the beads have been put back in, you can begin with the top one and move down to the others. You should be cautious not to touch the sealed units for a while following the sealing process as the silicone will need some time to set and harden before you can use it again. repairmywindowsanddoors wait around 6 hours to handle it, but the silicone sealant's setting time can vary.FinalizationAfter the double-glazed unit is snugly in place within its frame and is sealed, it's time to seal and finish. This step is not only a physical finalization of the project it also signifies that your home is prepared to withstand the elements after the new secured guardian is in place.The first step is to clean the frame carefully removing any glazing beads or strips that secured the old glass. The frame is cleaned of dust, old sealant, and glazing tape, a process which also renews the timber or aluminium of the window's frame. It is also a good time to look over any damaged areas and make minor repairs, by using wood filler or sanding as required. For more serious damage it is recommended to consult an expert.Next, the tubes that are used as spacers are filled with desiccants in order to absorb any moisture that might be trapped between the two panes of glass during manufacture or over time. This is a standard practice for warm edge sealed unit. Thermoseal Group stocks desiccants as well as manual and automatic desiccant dispensing machines.After the spacers are filled with glass, it is sealed with a highly-performing silicone designed to withstand Australia's harsh climate. This sealant forms an airtight barrier that's both durable and flexible that can expand and contract without breaking. It is important to use the correct thickness as any gaps could affect the thermal performance. Talk to a professional or consult the manufacturer's guide if you are unsure about the thickness to use.The final step is to apply a an additional sealant, usually polyisobutylene (PIB) or a similar product. This is applied along the outside edges of frames to form a secondary seal. It will ward off moisture and block air infiltration, thus increasing the efficiency of energy.The frame is then adorned with an aluminum cladding. This protective coating is able to endure the elements and keep your frame looking fresh for many years. It is a wise investment to ensure the longevity and beauty of your home's frames, especially if you have federation or period homes with timber frames that are susceptible to decay.