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Laminated glass is typically used in locations in the home most vulnerable to injury from human impact such as bathrooms, doors, around staircases and in locations near the floor (it satisfies the requirements of 'safety glass' that is mandated for usage in these locations by Australian Standard AS 1288 Glass in buildings).
Toughened glass has been 'tempered' by being reheated and rapidly cooled again. This process makes it much more powerful than standard glass it can withstand greater impact loads before breaking. It also makes it more secure since, when it does shatter, it breaks into many little cubic pieces rather than unsafe shards.
However, toughened glass has no thermal or acoustic benefits 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 within the frame or openable sash with a secondary frame or with magnetic strips.
Secondary glazing will not carry out as well thermally as a produced IGU, since it is difficult to totally seal the boundary, however it can supply excellent sound control. Window movies are a thin polymer film containing an absorbing color or reflective metal layer, with an adhesive support. They adhere to your glazing to alter its colour or make it reflective.
Applied to existing glass, some window movies can cut in half the general SHGC of the window by taking in and/or reflecting solar radiation. This can be especially helpful in hotter environments where cooling is the main issue, or on east and west elevations directly exposed to extended periods of sunshine. Window movies may likewise minimize visible light transmittance.
For this factor, it is normally best to use a certified installer of window movie. Frames have a considerable influence on the thermal efficiency of doors and windows, due to the fact that energy can be gained and lost through the frame, along with through the glass. Various kinds of frame will enable different levels of heat gain and loss, so mindful choice of frame is crucial for reliable passive design.
However, aluminium is likewise an excellent conductor of heat and will decrease the insulating value of a glazing system, unless particularly engineered to decrease this. A 'thermally broken' frame is comprised of 2 aluminium areas connected by a structural insulator (generally a low-conductivity structural polymer). This 'breaks' the thermal connection through the aluminium and lowers the heat streaming through the frame.
Wood frames are an excellent natural insulator that can fit some home styles. Wood frames should be made from species that have naturally high sturdiness or be dealt with to prevent decay and deformation.
This can result in spaces that allow air seepage unless good draught sealing (weather removing) is set up. u, PVC is a kind of plastic (unplasticised polyvinyl chloride, also understood as stiff PVC). u, PVC frames provide outstanding thermal performance, often better than lumber or thermally damaged aluminium. u, PVC is long lasting and requires very little upkeep, and can be moulded into intricate profiles that provide excellent air seals.
u, PVC windows and doors have outstanding thermal efficiency Photo: Ben Wrigley (Light House Architecture and Science) Composite frames use aluminium profiles on the external areas with either a wood or u, PVC inner area. These integrate the low upkeep and resilience of aluminium with much improved thermal efficiency.
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