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Replacement Double Glazed Units
Double-glazed units, or sealed units, as they're called, may wear out over time. This is usually the case because the insulating properties in the inert gas between the glass panes degrade.
It is essential to replace a damaged or broken window to ensure that your home is energy efficient and well-insulated. The task is simple and easy.
Installation
If the window was fitted correctly, the new unit will fit snugly and securely within the frame. If the new window is not the same thickness as your old one you may need to adjust the 'packers (usually red or bluish plastic slips) inside the frame. Ask your installer for instructions from the manufacturer if you're unsure.
A good quality replacement double glazed seal will be made to exacting standards and will fit into your frame with the least amount of fuss. A small error could have a major impact on the performance of your window.
Modern double-glazed units are a fantastic addition to any home. They are energy efficient and can save you money. They apply argon between the panes of glass to insulate, and reduce the amount heat that escapes from your home in cold weather.
Sometimes, these units can develop problems with their seals. This typically happens when moisture gets into the air space of the glass, causing condensation between the panes. The moisture that is absorbed by the cavity of your windows is not just unsightly, but also reduces the efficiency and effectiveness of the glazed unit.
Condensation can be caused by a range of causes. The best method to test for it is to look for a cloudy or misty look between your window panes. This indicates that the seal between the two panes of glass is broken and moisture is flowing into your living spaces.
The first thing to do is remove the glass beads that surround the edges of the window. It can be difficult and messy, but it's worth it as you will have access to the wedge gasket that holds the glass in place. It is crucial to remove the beads carefully so they don't break. It is advisable to ask for help. be a good idea at this point. Once the beads have been removed, allow the sealed unit a little to fall out of the frame. With the help of a person, hold it in place while you determine its size, height and width. This information is vital as it will help you determine the size wedge gasket you need to cut for your new double glazed sealed units.
Checking
Double glazing units, or sealed units, as they are often called, can degrade over time. This is usually due to leaks in the seal that lets condensation and moisture into the space between the panes. This affects the ability of the window to keep cold air out, warmth produced by the heating system in, and solar gain from the sun's energy inside.
Failure of the seal can cause draughts to be felt in your home. It is essential to regularly check your double glazed windows for indications of failure. If you notice moisture or mist forming between the glass, it is a sign that the seal is failing and a new unit should be installed.
If you do need to replace a sealed unit it is crucial that the new unit is the correct size to fit. The uPVC frames that the sealed unit sits in are not tolerant of movement, so even tiny millimetres of excess could affect the performance of the window. Talk to a professional or consult the guidelines provided by the manufacturer to ensure you get the correct size.
With a helper holding the new unit gently place it in the frame. It is essential that you make this move in a secure place as the glass is fragile and can fall out and break. After the sealed unit is secured in the frame, reconnect any packers at the bottom of the frame and then reinstall the glazing beads into their original position. After you have completed this, give the whole window a visual examination to ensure that there are no gaps or areas of misalignment that could affect its performance.
It may be necessary to apply a bit of sealant to the perimeter edge of the frame in order to prevent it from shifting in the future. It is recommended to re-check the thickness the glass unit. This is crucial since double-glazed units come in various thicknesses, and using the wrong thickness can affect the u-value of your home's insulation.
Sealing
Double glazing can improve the efficiency of your home and provide better audio. Over time the seals on the glass may be worn out, resulting in condensation or drooping windows. In these cases, replacement is necessary. It is a good idea for you to work with 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.
When replacing a sealed unit, the first step is clean the frame. You can make use of an old paint brush (4 inch is ideal) to sweep the frame clean, removing dust and cobwebs which accumulate within the frame over time. It's a great idea clean the new seals after the frame has been cleaned. The easiest method for doing this is to pull out the Wedge gaskets by putting your fingers on the edge, and then pulling it out until you reach the point that it overlaps with the friction joint. You should also make notes of the length that you require to make your new seals, as it will be useful when cutting them to size.
Installing the sealed unit is straightforward after the gaskets and frame have been cleaned. It's a good idea to take off the beads (the UPVC frames clips that are used to hold the glasses) and then measure them. This will ensure that the seal is made to the right size and won't leave any gaps around it.
Once the beads are back in place, you can put in the top bead, and then move on to the other three. After sealing the units, do not be touching them for a few hours as the silicone sealant must set and harden. I typically wait 6 hours before handling it, but the sealant's time to set will differ.
Finalization
When the new double-glazed unit is securely seated within its frame and is sealed, it's time to seal it and then finish. double glazing seal repair isn't just an aesthetic finishing touch to the project but also a declaration that your home is well-equipped to stand the test of time after the new safe guardian is in place.
The first step is to clean the frame, carefully removing any glazing strips or beads that held the old glass. Then, the frame is clean of dirt, old sealant, and glazing tape, a procedure which also renews the timber or aluminium of the window's frame. It's also a good time to look over any damages and make small repairs, by using wood filler or sanding if required. Major damage should be referred to a professional to repair.
The spacer tubes are then be filled with desiccants to absorb any moisture that might have accumulated between the two panes during production or over time. This is a common practice for units with warm edges. Thermoseal Group stocks desiccants as well as manual and automatic desiccant dispensing devices.
After the spacers have been filled with the spacers, the glass and frame are sealed with a high-performance silicone designed to tolerate Australia's harsh climate. The sealant creates a barrier that is both strong and flexible that can expand and contract without becoming fragile or breaking. It's crucial to select the correct thickness, since any gaps could impact thermal performance. Talk to a professional or consult the manual of the manufacturer in case you're not sure about the thickness to use.
The final step is adding secondary sealant. This is usually polyisobutylene, or a similar substance. It's applied to edges of the frame's exterior which creates a secondary seal that's able to repel moisture and block air from entering, helping to improve energy efficiency.
The frame is completed with aluminum cladding. This protective coating can be able to withstand the elements and keep your frame looking fresh for many years. This is a wise investment to ensure the durability and aesthetics of your frames, particularly if have period or federation style homes with timber frames that are susceptible to get rotted.
