The amount of insulation of double-glazed windows is an important issue that affects the amount of energy loss and noise pollution. Houses that use non-insulated windows have 40% more energy loss. Among the factors that affect the insulation level of a double-glazed window are the glass sealant, the thickness of the glass, and the thermal conductivity of the frame. In general, the insulated double-glazed window must meet the basic conditions of energy efficiency, durability and sealing life. If the window has a high energy loss, even if its durability and sealing life are long, they will not have much value and vice versa. Now let’s see how these factors affect the sound and thermal insulation properties of windows.
The right glass
In general, the thicker the glassIn terms of insulation it is better In addition, if their thickness is different, it also affects the amount of sound reduction puts Low-emissivity glasses have a microscopically thin coating of metal oxide It is on one of the inner surfaces of the glass. This coating reflects heat back into the house But it still lets light in from the outside. That’s why low-reflective glass ( low-E) are the best type of glass for double or triple windows.
The distance between the glasses
The size of the distance between the glasses can It affects the performance, also the thickness of the insulating surface window depends on it. With the increase The distance between the glass improves sound insulation. Often the thickness of the window is 16 mm Optimum is stated, but smaller sizes may be more appropriate in some cases. It is also possible to improve performance by filling the gap with inert gases (such as argon, xenon or krypton) because noble gases are more insulating than air. However, creating a vacuum has a much better effect.
In triple-glazed windows, the middle glass should be be placed closer to one of the two end glasses. Therefore, the resonance frequency in the cavities The air is aligned and does not gather together; As a result, energy loss and noise pollution are reduced. All modern double-glazed windows consist of a separator or spacer that is placed around the inside edges of the panes to keep the two panes of glass apart. For best performance, choose a window with metal-free or low-metal insulation, as metal is a heat conductor and conducts heat outside. Also, the gap between the wall and the window profile, in other words, the distance between the frame and the wall should be minimized because cracks reduce the level of sound insulation.
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Use of diffusers
The use of diffusers is one of the factors which can minimize noise pollution. Acoustic wave diffuser panels They scatter, this causes the sound to not return, and as a result, the noise is less.
Type of window frame
Design and material used for the frame They greatly affect heat loss. frame Windows with materials such as aluminum, wood andUPVC It is made, each of which has advantages and disadvantages. in all For double-wall systems, it is better to use thermal break materials, such as aluminum thermal break, rather than wasteHeat is prevented by conduction
. UPVCframesItis one of the most widely used door and window frames, which do not require regular maintenance and are recycled.
Wooden frames They are beautiful and environmentally friendly, but they need maintenance and care.They are often used in protected areas where wood resources are abundant.
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Aluminum or steel frames are slim, durable and recyclable. Conventional aluminum, however, has high thermal conductivity despite its long sealing life, resulting in poor energy retention. If you really want to use aluminum, it is better to get the thermal break model.
Composite frames have a wooden frame The interior is covered with aluminum or plastic. It needs repair and Reduces maintenance and weatherproofs the frame. At the end of the decade 1970, composite tapes had low thermal conductivity compared to Aluminum frames were better insulators, but unfortunately the sealing life of this type was short. As a result, its use decreased.
Window regulation
If the window adjustment is not correct, and to cause of impact, improper installation or any other item out of regulation, certainly closed properly
It cannot be done and there will be seams, and these seams, even though they are small, will make the insulation incomplete slow down Also, the lack of regulation, sometimes even due to the lack of galvanized, or low quality UPVC Used, it happens over time
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last word
Manufacturers of double-glazed windows They check and evaluate their products in terms of energy loss. The whole window (frame and glass) It is evaluated in such a way that heat loss and sound insulation are determined. The energy performance of a window is influenced by a wide range of factors, so the choice The window is not easy just by looking at its shape. Fortunately, it can be done by reviewing a series Find the most effective information. Here we examined a series of main elements affecting the insulation performance of double-glazed windows, such as glass, frame and gas between the glasses, which helps to better understand double-glazed windows.