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Laminated glass is typically utilized in areas in the home most susceptible to injury from human impact such as bathrooms, doors, around staircases and in areas near to the floor (it fulfills the requirements of 'shatterproof glass' that is mandated for use in these locations by Australian Standard AS 1288 Glass in buildings).
Toughened glass has actually been 'tempered' by being reheated and rapidly cooled again. This procedure makes it much more powerful than standard glass it can withstand higher effect loads before breaking. It likewise makes it safer because, when it does shatter, it burglarizes many small cubic pieces instead of harmful fragments.
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 produced IGU, because it is impossible to completely seal the border, but it can provide great sound control. Window films are a thin polymer film consisting of a soaking up dye 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 cut in half the general SHGC of the window by taking in and/or showing solar radiation. This can be particularly beneficial in hotter environments where cooling is the main issue, or on east and west elevations directly exposed to extended periods of sunlight. Window films may also decrease visible light transmittance.
For this reason, it is generally best to use a certified installer of window movie. Frames have a substantial influence on the thermal performance of windows and doors, because energy can be gotten and lost through the frame, along with through the glass. Different types of frame will enable different levels of heat gain and loss, so careful choice of frame is crucial for effective passive design.
Aluminium is also a very good conductor of heat and will reduce the insulating worth of a glazing system, unless particularly crafted to decrease this. A 'thermally broken' frame is made up of 2 aluminium areas linked 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.
Wood frames are a good natural insulator that can suit some house designs. Timber frames need to be made from species that have naturally high resilience or be dealt with to prevent decay and deformation.
This can result in gaps that permit air seepage unless good draught sealing (weather condition stripping) is installed. u, PVC is a kind of plastic (unplasticised polyvinyl chloride, also referred to as stiff PVC). u, PVC frames provide exceptional thermal efficiency, typically 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 offer exceptional air seals.
u, PVC doors and windows have outstanding thermal performance Image: Ben Wrigley (Light House 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 toughness of aluminium with much improved thermal performance.
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