Sound advice on architectural glazing


Enhanced acoustic requirements are becoming a commonplace consideration in contract documents, says Mark Hargreaves of Technal, who discusses glazing strategies to mitigate noise and the correct approach to acoustic design


s a main element to most buildings, the glazed openings have long played a key role; contributing natural daylight and ventilation, as well as being integral to overall energy performance, both in terms of thermal insulation and solar gain. Arguably, however, it is in terms of their acoustic performance that the bar is continuing to be raised most dramatically, in response to the growing impact of noise pollution on our everyday lives.


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This worsening situation stems from a variety of sources – including higher traffic volumes, expansion of rail and air travel, and a growing tendency towards a 24/7 society where the population lives,


commutes, works, shops and seeks entertainment in ever closer proximity. It is in fact recognised that UK housing developments have among the highest densities in the world. It is not just the noise of neighbours and passers-by, which pose a problem: being beside a trunk road or beneath a flight path can also have a serious impact on places such as schools and hospitals.


Acoustic designs


The different elevations and roof areas that often occur on commercial or large residential projects have to provide protection against the weather, while complying with most parts of the Building


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