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Laminated glass is often used in areas in the home most prone to injury from human effect such as restrooms, doors, around staircases and in locations near the floor (it meets the requirements of 'shatterproof glass' that is mandated for use in these areas by Australian Standard AS 1288 Glass in buildings).
Toughened glass has been 'tempered' by being reheated and rapidly cooled again. This procedure makes it much more powerful than standard glass it can withstand greater impact loads before breaking. It likewise makes it safer because, when it does shatter, it burglarizes lots of little cubic pieces instead of harmful fragments.
Toughened glass has no thermal or acoustic advantages over other glass of the same toning or thickness. Secondary glazing is where single-glazed windows are retrofitted with a transparent acrylic or glass sheet connected to the inside of the frame or openable sash with a secondary frame or with magnetic strips.
Secondary glazing will not carry out as well thermally as a manufactured IGU, since it is difficult to absolutely seal the boundary, but it can provide great sound control. Window films are a thin polymer film including an absorbing color or reflective metal layer, with an adhesive backing. They stay with your glazing to change its colour or make it reflective.
Applied to existing glass, some window movies can halve the total SHGC of the window by absorbing and/or showing solar radiation. This can be particularly helpful in hotter environments where cooling is the primary concern, or on east and west elevations directly exposed to extended periods of sunshine. However, window movies may likewise reduce visible light transmittance.
For this factor, it is generally best to utilize an accredited installer of window film. Frames have a considerable effect on the thermal efficiency of doors and windows, because energy can be acquired and lost through the frame, along with through the glass. Different kinds of frame will allow different levels of heat gain and loss, so cautious option of frame is necessary for efficient passive design.
Nevertheless, aluminium is also an excellent conductor of heat and will decrease the insulating worth of a glazing system, unless specifically crafted to minimize this. A 'thermally broken' frame is comprised of 2 aluminium areas linked by a structural insulator (usually a low-conductivity structural polymer). This 'breaks' the thermal connection through the aluminium and reduces the heat flowing through the frame.
Timber frames are a good natural insulator that can match some house designs. Lumber frames ought to be made from types that have naturally high toughness or be dealt with to prevent decay and contortion.
Nevertheless, this can result in gaps that permit air seepage unless great draught sealing (weather condition stripping) is set up. u, PVC is a form of plastic (unplasticised polyvinyl chloride, likewise referred to as rigid PVC). u, PVC frames provide exceptional thermal efficiency, typically better than timber or thermally damaged aluminium. u, PVC is long lasting and requires extremely little maintenance, and can be moulded into complicated profiles that supply excellent air seals.
u, PVC doors and windows have excellent thermal performance Photo: Ben Wrigley (Light Home Architecture and Science) Composite frames use aluminium profiles on the outer sections with either a timber or u, PVC inner section. These combine the low upkeep and toughness of aluminium with much enhanced thermal performance.
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