Replacing Double Glazed Units
Double glazed units can be substituted to cut down on heat loss and noise, as well as reduce heating costs. Modern coatings and argon/krypton gas-filled units make them very energy efficient.
The new unit, made according to precise measurements, awaits its time and requires attention and care. This is the moment that halts time and puts everything in perspective.
Take the old unit out of the way
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 dust, dirt or old sealant, and then repair any damage that could be present. Wood filler and sanding can be used to repair minor damages however major damage could require professional assistance.
After the glass has been removed, it's crucial to measure its height, width and thickness. The best way to do this is by prising out the glazing beads that secure the unit. This is a delicate task that requires patience and caution. It is recommended that you take your time and always wear safety equipment to protect yourself from unexpected shards glass and accidental slips.
Begin by taking off the top of the glazing strip with 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 take out all the beads. This is because the unit can easily be thrown out of the frame and smash.
Once all the beads have been removed, it's important to measure the length, width and height of the existing unit. The measurements can be used to construct an appropriate replacement unit for your home. It can also be used as a guideline to ensure that the new unit is built to fit the frame. It is crucial to ensure that the window fits properly because a mismatch will not only require the entire unit to be dismantled and reassembled but will also affect the performance of the unit. This is particularly relevant in Australia as our homes are often subject to extreme weather conditions.
Preparing the Frame
If you are replacing a fixed window, or a sliding one with a fixed or opening sash, ensure that the new window is the correct size. UPVC frames have very little movement and double-glazed units that is a couple of millimeters too big will not fit. To ensure accurate measurements, measure carefully and seek the advice of an expert.
When you have a clear idea of the dimensions of the replacement and are confident that it is correctly fitted take the glass out of its frame. Be sure to work in a well-lit area, and wear safety equipment, such as gloves, to avoid injury from glass shards. Use replacement upvc door seal to cut the glazing beads or strips that hold the glass in the frame from around the edges of the pane. The glass is fragile, and you should be careful to avoid slipping or pulling the frame.
Verify that the frame will be opened and closed smoothly after the new sealed double-glazing unit is installed. It should be a good fit, however you can adjust this if necessary by adding or removing packing. For example, if the frame is a sliding door, you may have to add packers on the hinge side and opposite corners to stop the sash from catching or shaking when it opens.
Then, clean the frame. Take off any old glazing tape or sealant If necessary. Examine any damage and make small repairs if required using wood filler or sanding. A final clean and inspection will prepare the frame for replacement, rejuvenating it for an extended period of protection from Australia's harsh climate.
Lifting the New Unit
Over time, double-glazed sealed units (or a 'sealed unit' as it is more commonly called) may face issues such as moisture in-between panes or misting. This can affect the performance of your windows and allow cold air to enter and warm air from your heater to escape, resulting in the cost of energy and discomfort.
This type of seal failure is usually the result of aging general wear and tear or harsh chemical cleaners that damage the sealing material. Sometimes, however, the cause can be attributed to the shrinking and expanding of the glass as a result of temperature changes and seasonal changes.
After the frame has been cleaned and prepared, you can start lifting the new unit into the right place. This is a thrilling step as you have just increased the efficiency of your home's heating during winter and cooling in summer while also cutting down on your energy costs.
It's important to make sure the new unit fits correctly in the frame prior to locking it to the frame. This phase is important to ensure that the frame isn't damaged and the glass.
If your windows are fitted with glazing tape or sealant this is the perfect time to apply a bead around the perimeter of the frame and glass to create a solid barrier against moisture and air infiltration. Make sure to tighten the sealant carefully, ensuring it's secure but not too tight to cause stress on the frame or glass. Enjoy your newly-installed double-glazed windows and reward yourself a pat on the back for a job well done!
Secure the Unit
With the new unit set snugly in the frame and a new layer of sealant covering its entire perimeter This is the moment that marks the end of your work. The unit is now secure to hold up to Australia's diverse weather which guarantees warmth in winter and coolness in summer. This is the moment when your meticulous measuring and removal are validated, a confirmation that a unit was crafted according to the exact dimensions.
No matter if a window has glazing beads or screws, attaching the new window to the frame is a delicate balance between tight enough to hold it in place and soft enough not to strain the glass. If the frame is too loose, then the window could be unable to seal its airtight. If it's not tight enough, it could damage the frame or warp material. Each screw must be put in its original place, and rotated just enough to secure the unit without putting pressure too high.
This is the final stage of a project which will enhance the efficiency of a home's energy as well as its appearance, comfort, and. With the brand new double-glazed unit sitting snugly within the frame, and securing a fresh bead of sealant around its perimeter This is the moment that marks the end of your work.
The insulating cavity between panes of glass is filled with either argon gas or desiccant. Argon is, unlike air, has a lower thermal conductivity, which can reduce heat transfer. Desiccants also absorb moisture from the air, which prevents mould and condensation in the frame. The spacer bar is made of aluminum and is an essential component of the insulation system. The aluminium prevents the transfer of heat but also keeps the edges of the insulated glass warm to avoid condensation.
Checking Your Work
When you've installed the new unit and applied an ounce of silicone sealant around the edges It is crucial to leave it alone to set. Don't disturb it! It will take at least 4 hours for it to reach its full strength and provide an impervious barrier. While you wait, assess your work to determine if there are any gaps or other issues which could affect the efficiency or appearance.
It is also a great time to inspect the frame and seals to see if there are any signs of damage, and determine if the entire window needs to be replaced. A faulty seal can be a major factor in the energy efficiency of your home, causing drafts and cold spots. It also allows ultraviolet rays into the house, leading to fading of furniture and decreasing the life span of curtains and carpets.
If you are experiencing any of these issues it is possible that your double glazing need to be replaced. Taking care of it quickly will reduce your energy bills and create a more comfortable and relaxing home.
Replacing a double glazed sealed unit is a labour intensive and technical procedure that requires the right equipment, careful preparation and precise measuring. It is not an easy DIY project and should be handled by a specialist who has prior experience with uPVC Windows and Doors. They can ensure that the new unit is properly fitted to protect your home from the elements. Their experience will ensure the double-glazed unit you select is both efficient and quiet, providing warmth in winter and cooling in summer. This will protect your home against the weather.