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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 areas near to the flooring (it satisfies the requirements of 'shatterproof glass' that is mandated for use in these areas by Australian Basic AS 1288 Glass in buildings).
Toughened glass has been 'tempered' by being reheated and rapidly cooled once again. This procedure makes it much more powerful than standard glass it can withstand greater impact loads before breaking. It likewise makes it safer since, when it does shatter, it burglarizes numerous small cubic pieces rather than harmful shards.
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 attached to the inside of the frame or openable sash with a secondary frame or with magnetic strips.
Secondary glazing will not carry out as well thermally as a manufactured IGU, given that it is difficult to totally seal the boundary, but it can provide great sound control. Window films are a thin polymer movie containing an absorbing 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 films can cut in half the total SHGC of the window by absorbing and/or reflecting solar radiation. This can be especially helpful in hotter climates where cooling is the primary issue, or on east and west elevations directly exposed to long durations of sunshine. Window films might likewise reduce visible light transmittance.
For this reason, it is usually 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 acquired and lost through the frame, along with through the glass. Different kinds of frame will permit various levels of heat gain and loss, so cautious choice of frame is very important for effective passive design.
However, aluminium is likewise an excellent conductor of heat and will decrease the insulating worth of a glazing unit, unless particularly crafted to decrease this. A 'thermally broken' frame is comprised of 2 aluminium sections connected by a structural insulator (normally a low-conductivity structural polymer). This 'breaks' the thermal connection through the aluminium and reduces the heat streaming through the frame.
They can be costly, but rates are decreasing as they become more common. Wood frames are an excellent natural insulator that can match some house designs. Lumber frames should be made from types that have naturally high durability or be treated to prevent decay and contortion. Check that the timber is sourced from a sustainably managed forest.
This can result in spaces that enable air seepage unless excellent draught sealing (weather condition stripping) is set up. u, PVC is a type of plastic (unplasticised polyvinyl chloride, also understood as stiff PVC). u, PVC frames supply excellent thermal performance, frequently much better than timber or thermally damaged aluminium. u, PVC is long lasting and needs very little maintenance, and can be moulded into complicated profiles that supply excellent air seals.
u, PVC doors and windows have outstanding thermal performance Image: Ben Wrigley (Light House Architecture and Science) Composite frames use aluminium profiles on the outer sections with either a lumber or u, PVC inner section. These combine the low maintenance and durability of aluminium with much improved thermal performance.
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