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Laminated glass is frequently used in locations in the home most vulnerable to injury from human impact such as bathrooms, doors, around staircases and in areas close to the flooring (it fulfills the requirements of 'shatterproof glass' that is mandated for use in these locations by Australian Standard AS 1288 Glass in structures).
Toughened glass has actually been 'tempered' by being reheated and quickly cooled again. This procedure makes it much stronger than standard glass it can withstand greater effect loads before breaking. It also makes it much safer because, when it does shatter, it breaks into many little cubic pieces rather than dangerous shards.
Toughened glass has no thermal or acoustic benefits over other glass of the very same toning or density. 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 too thermally as a manufactured IGU, given that it is difficult to absolutely seal the perimeter, however it can provide great noise control. Window movies are a thin polymer movie including 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 movies can cut in half the overall SHGC of the window by taking in and/or reflecting solar radiation. This can be especially useful in hotter climates where cooling is the primary issue, or on east and west elevations directly exposed to extended periods of sunlight. Window films might likewise lower noticeable light transmittance.
For this reason, it is generally best to utilize a certified installer of window movie. Frames have a significant effect on the thermal performance of doors and windows, because energy can be acquired and lost through the frame, in addition to through the glass. Different types of frame will enable different levels of heat gain and loss, so mindful choice of frame is crucial for efficient passive design.
However, aluminium is likewise an excellent conductor of heat and will reduce the insulating value of a glazing system, unless particularly engineered to lower this. A 'thermally broken' frame is made up of 2 aluminium sections linked by a structural insulator (usually 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 rates are reducing as they become more typical. Wood frames are a great natural insulator that can match some home designs. Timber frames should be made from species that have naturally high durability or be treated to avoid decay and deformation. Check that the lumber is sourced from a sustainably managed forest.
Nevertheless, this can lead to spaces that allow air infiltration unless good draught sealing (weather removing) is set up. u, PVC is a type of plastic (unplasticised polyvinyl chloride, also understood as rigid PVC). u, PVC frames provide exceptional thermal efficiency, frequently much better than wood or thermally damaged aluminium. u, PVC is long enduring and requires really little upkeep, and can be moulded into complex profiles that provide exceptional air seals.
u, PVC doors and windows have excellent thermal efficiency Image: Ben Wrigley (Light Home Architecture and Science) Composite frames utilize aluminium profiles on the outer areas with either a wood or u, PVC inner section. These integrate the low upkeep and resilience of aluminium with much enhanced thermal performance.
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