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Façades Confidential: Acoustic properties of glass: not so simple

on February 05, 2015

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Façades Confidential: Acoustic properties of glass: not so simple

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Issue with polycarbonate roof creaking

Issue with polycarbonate creaking Some people complain that their polycarbonate conservatory roofs can make sudden creaking or cracking sounds. Polycarbonate will expand and contract with extreme temperature changes. However there are a number of things you can do to minimise this. Ensure there had been some space allowed between the sheets and glazing bar/fixings for thermal expansion, 3.5mm per M is usually enough. Ensure the glazing bars are not applied too tightly as this can inhibit sideways movement. Instead of the sheet moving gradually with the changes in temperature it will bind and then move with a jerk causing creaking which sounds disproportionately loud inside the structure. It may also rub the gasket of the aluminium structure. Ensure the glazing bar gasket is in the correct place under the sheet. If it is displaced the polycarbonate may rub against the aluminium causing noise.

Low Cost Solar Control Glazing

There are more solar control options for glazed roofs available than ever before. We can still supply heatguard and solar inserted polycarbonate to reduce the solar gain by 50% and 80% respectively. However we now have athermic products to add to our portfolio. Blue Athermic on opal is an attractive pale blue on the outside and opal on the inside. It will reflect 50% of solar heat but lets more light through giving a bright and airy feel to your conservatory. More more information see http://tinyurl.com/2vpfqvz If you are on a tight budget we can offer gold athermic on opal at less than half price. This is a golden yellow on opal which again will reflect 50% of heat. This is an end of line hence the huge reduction. For more infomation see http://tinyurl.com/36on88c If you would like advice on what is most suitable for your project please call the office on 01769 574426.

DIY Secondary Glazing solutions

If you need advice on insulating your windows but cannot fit double glazing have a look at our new website Diy Secondary Glazing . Here you can see the range of fixed and opening solution we can supply and arrange for a quotation. Secondary glazing is ideal for older listed properties where you cannot fit double glazing as it fits over your existing window.

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