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Laminated glass is frequently utilized in locations in the house most vulnerable to injury from human effect such as bathrooms, doors, around staircases and in locations close to the floor (it meets the requirements of 'shatterproof glass' that is mandated for usage in these areas by Australian Standard AS 1288 Glass in buildings).

Toughened glass has actually been 'tempered' by being reheated and quickly cooled again. This process makes it much stronger than standard glass it can resist higher impact loads before breaking. It also makes it much safer since, when it does shatter, it breaks into many small cubic pieces instead of harmful fragments.

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Toughened glass has no thermal or acoustic advantages over other glass of the very 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.

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Secondary glazing will not carry out too thermally as a made IGU, given that it is impossible to completely seal the boundary, however it can supply great noise control. Window films are a thin polymer film consisting of a taking in color or reflective metal layer, with an adhesive backing. They adhere to your glazing to change its colour or make it reflective.

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Applied to existing glass, some window films can halve the overall SHGC of the window by absorbing and/or showing solar radiation. This can be especially useful in hotter climates where cooling is the primary issue, or on east and west elevations straight exposed to long periods of sunshine. Window movies might also reduce noticeable light transmittance.

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For this reason, it is generally best to use an accredited installer of window film. Frames have a substantial effect on the thermal performance of doors and windows, since energy can be acquired and lost through the frame, along with through the glass. Different kinds of frame will allow various levels of heat gain and loss, so mindful choice of frame is essential for efficient passive design.

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Nevertheless, aluminium is likewise a great conductor of heat and will reduce the insulating worth of a glazing unit, unless particularly engineered to minimize this. A 'thermally broken' frame is comprised of 2 aluminium sections linked by a structural insulator (generally a low-conductivity structural polymer). This 'breaks' the thermal connection through the aluminium and minimizes the heat flowing through the frame.

They can be expensive, however prices are decreasing as they become more common. Timber frames are a good natural insulator that can match some home styles. Lumber frames need to be made from species that have naturally high toughness or be treated to avoid decay and deformation. Check that the timber is sourced from a sustainably managed forest.

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This can result in gaps that enable air seepage unless excellent draught sealing (weather stripping) is set up. u, PVC is a type of plastic (unplasticised polyvinyl chloride, also called stiff PVC). u, PVC frames provide excellent thermal efficiency, frequently much better than timber or thermally broken aluminium. u, PVC is long enduring and requires very little upkeep, and can be moulded into complicated profiles that offer outstanding air seals.

u, PVC doors and windows have excellent thermal performance Image: 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 maintenance and resilience of aluminium with much enhanced thermal performance.