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Laminated glass is typically used in areas in the house most prone to injury from human impact such as bathrooms, doors, around staircases and in areas close to the floor (it meets the requirements of 'security 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 process makes it much more powerful than basic glass it can resist higher effect loads before breaking. It likewise makes it much safer due to the fact that, when it does shatter, it gets into numerous small cubic pieces instead of dangerous fragments.
Toughened glass has no thermal or acoustic benefits over other glass of the exact 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 perform as well thermally as a produced IGU, given that it is impossible to completely seal the border, however it can offer excellent sound control. Window movies are a thin polymer film containing an absorbing color or reflective metal layer, with an adhesive support. They stick to your glazing to change its colour or make it reflective.
Applied to existing glass, some window films can cut in half the general SHGC of the window by soaking up and/or reflecting solar radiation. This can be particularly advantageous in hotter environments where cooling is the primary concern, or on east and west elevations directly exposed to long durations of sunshine. Window movies might likewise minimize visible light transmittance.
For this reason, it is usually best to use an accredited installer of window film. Frames have a substantial effect on the thermal performance of windows and doors, since energy can be acquired and lost through the frame, along with through the glass. Various types of frame will permit different levels of heat gain and loss, so cautious choice of frame is crucial for reliable passive design.
Aluminium is likewise an extremely good conductor of heat and will reduce the insulating value of a glazing unit, unless particularly crafted to reduce this. A 'thermally broken' frame is comprised of 2 aluminium sections connected by a structural insulator (typically a low-conductivity structural polymer). This 'breaks' the thermal connection through the aluminium and reduces the heat streaming through the frame.
They can be expensive, but rates are reducing as they end up being more typical. Timber frames are an excellent natural insulator that can suit some house styles. Wood frames must be made from species that have naturally high toughness or be treated to prevent decay and deformation. Inspect that the timber is sourced from a sustainably handled forest.
This can result in gaps that enable air infiltration unless excellent draught sealing (weather removing) is set up. u, PVC is a kind of plastic (unplasticised polyvinyl chloride, likewise referred to as stiff PVC). u, PVC frames supply outstanding thermal efficiency, frequently better than wood or thermally broken aluminium. u, PVC is long enduring and requires extremely little upkeep, and can be moulded into intricate profiles that provide excellent air seals.
u, PVC doors and windows have excellent thermal efficiency Photo: Ben Wrigley (Light House Architecture and Science) Composite frames utilize aluminium profiles on the outer sections with either a wood or u, PVC inner area. These integrate the low maintenance and resilience of aluminium with much enhanced thermal performance.
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