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Your Family Will Thank You For Getting This Replacement Sealed Double Glazing Units
Replacing Double Glazed Units

Replacing double glazed units is a home improvement project that can drastically reduce heat loss, enhance the insulation of noise and reduce heating bills. With modern coatings and argon or krypton gas fills they are also extremely energy efficient.

The new unit, made to exact measurements, is awaiting its time. It requires care and accuracy. This moment stops the world and puts your effort into perspective.

Then, remove the old unit

It is important to remove the old unit to ensure that the new double-glazed window has been built according to the exact measurements. Clean the frame thoroughly of any dust, dirt or old sealant and repair any damage that could be present. Small repairs can be done by using wood filler or sanding, while major damage may require professional repairs.

After the glass has been removed, it's important to determine its height, width and thickness. The most effective method to do this is to take out the glazing beads that secure the unit. This delicate process requires patience and caution. It is recommended that you take your time and use safety gear to protect yourself from unexpected shards glass and accidental slips.

Begin by taking off the top of the glazing strip using a chisel that is sharp, or a wide-bladed, sharp screwdriver. It is recommended to have someone else to hold the window unit while you remove all the beads. The unit can easily fall off the frame and break.

After you have removed all the beads, it is crucial to measure the width, the height and the thickness of the present unit. The measurement data to accurately build an appropriate replacement unit. Additionally it will provide a guide for ensuring the new unit will fit into the frame. This is important as a misfit will not only cause the need to take down and put back together the entire window, but will reduce its performance and efficiency. This is especially important in Australia where homes are frequently exposed to extreme weather conditions.

Preparing the Frame

Whether you are replacing a fixed or fixed window or a sliding one with an opening or fixed sash, ensure that the new unit is the right size. UPVC frames allow only a small amount of movement and a sealed double glazing unit that is even just a few millimeters larger will simply not fit. To ensure accurate measurements make sure you measure with care and seek the advice of a professional.

Remove the glass from the frame once you are sure that the replacement is the right size and has been correctly fitted. Wear safety equipment like gloves and work in an area that is well-lit to prevent injury from glass shattering. Make use of a putty blade to pry off the glazing strips or beads that secure the glass in the frame, and remove them from the perimeter of the pane. Replacement uPVC Double Glazed Window And Door Seals is important to avoid slipping the glass or straining the frame.

When the frame is set to receive the brand new sealed double glazing unit, check whether it is capable of opening and closing easily. It should be a snug fit, but you are able to adjust it if you need to by adding or removing packers. For instance, if your frame is a sliding door you might need to add additional packers on the hinge's side and in the opposite corners to stop the sash from colliding or shaking when it opens.

Then, clean the frame. Remove any old sealant or glazing tape, if necessary. Check for any damage, and make small repairs, if needed, using wood filler or sanding. The frame will be refreshed by a final clean and inspection and will be able to withstand Australia's harsh weather for many years.

Lifting the New Unit

Over time, double-glazed units can experience problems like condensation between panes or misting. When this happens the effectiveness of your window is compromised, letting cold air in and letting warm air from your heating system to escape which can result in higher energy bills and a loss of comfort.

This type of seal failure is usually the result of aging, general wear and tears or harsh chemical cleaners that deteriorate the sealing material. However, sometimes the cause is due to shrinking and expanding of the glass in the changing seasons and the temperature fluctuations in the home.

Once the frame is cleaned and ready and clean, you can move the new unit up into its place. This is an exciting step because you've made a real difference to your home, improving its warmth in the winter months and cooling it in the summer, while helping reduce your energy bills.

Before securing the unit it's important to ensure that the new unit fits properly into the frame. A little care during this stage will help prevent any damage to the frame, as well as the glass.

If you are using glazing tape or sealing tape on your windows, this is the best moment to apply a small amount of the tape along the edges of the glass. This creates a strong barrier that stops air and moisture from entering the window. Apply the sealant with care and ensure it's secure but not too tight to cause stress on the glass or frame. Enjoy your newly-installed double-glazed windows, and give yourself a pat for an excellent job!

Securing the Unit

With the new unit set comfortably in the frame and a fresh bead of sealant covering its perimeter, this is the moment that marks the end of your project. The unit is finally secured to hold up to Australia's diverse weather, a guarantee of warmth in winter and coolness in summer. This is when your meticulous measurements and removal are validated and a confirmation that the unit was built precisely to your specifications.

If a window is made of glazing beads or screws, attaching the new window to the frame requires an intricate balance between being secure enough to hold it in place and soft enough to not stress the glass. If the frame is too loose, then the unit may be unable to seal its airtight. If it's secure enough, it may damage the frame or warp material. Each screw has to find its original position by turning only enough to hold the unit firmly without putting pressure too heavily on it.

This is the last step in a transformative project that improves a home's comfort as well as energy efficiency and appearance. With the new double-glazed unit sitting snugly in the frame and secured with an all-new layer of sealant around the perimeter it is the moment that marks your work's completion.

The insulating cavity between the panes of glass is filled either argon gas or a desiccant. Argon is, in contrast to air, has a lower thermal conductivity, which can reduce heat transfer. Desiccants also help to absorb moisture from the air, which prevents mould and condensation in the frame. The spacer bar, typically made of aluminium, is a crucial part of the insulating system. The aluminum blocks the transfer of heat, but also keeps the edges of the insulated glass warm to avoid condensation.

Checking Your Work


When you've put up the new unit and applied a bead of silicone sealant to the edge it is essential to allow it to set. Don't disturb it! It will take at least four hours for the silicone sealant to reach its maximum strength and form an impenetrable wall. While you are waiting, take the time to look over your work and see if you are able to identify any gaps or issues that could affect the performance or appearance of the device.

This is also a great moment to inspect the seals and frames for indications of damage that require attention, and to assess whether replacement of the entire window is necessary. A damaged seal could cause a significant impact on the energy efficiency of your home, causing drafts and cold spots. It can also allow ultraviolet rays into the home, causing fade of furniture and decreasing the lifespan of carpets and curtains.

If you're experiencing any of these problems, it is an indication that your double glazing needs replacement. It can help you save money on your energy bills, and create a more relaxed and comfortable living space.

Replacing a double glazed sealed unit is a laborious and technical process that requires the proper equipment, careful preparation and precise measurement. It is not an DIY project and should be undertaken by a professional with experience with uPVC Windows and Doors. They can ensure that the new unit is installed correctly to protect your home from the elements. Their experience and expertise will ensure that your double glazed unit is quiet and efficient combination of warmth in the winter and coolness in summer, protecting your home from the weather.

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