Passivent Develops Acoustic Ventilation Solution

Passivent has developed SoundScoop in association with Arup, a product that combines natural ventilation with noise attenuation. It significantly reduces sound transmission from one area to another, while enabling low resistance airflow - essential in naturally ventilated buildings.

This can help reduction in energy consumption as part of the continuing drive for zero carbon buildings, without compromising acoustic performance targets as described in British Standards and Building Bulletins. SoundScoop is positioned at high level in the partition/wall between two internal spaces, enabling natural air movement with minimal pressure drop. A patented sound absorbing lining optimises attenuation of mid frequency sound, typically the most problematic.

Accredited laboratory testing has demonstrated that an acoustic performance of up to Dnew44 can be realised. SoundScoop's design of an ABS sleeve with foam lining enables it to be flat-packed for easy transportation, with 16 product models available to suit most situations. The smallest 300x300x300mm unit with standard acoustic foam provides Dnew31, and an average attenuation of 34dB at mid frequencies. The largest 600x300x1,200mm with high specification acoustic foam provides Dnew42 and an average attenuation of 51dB at mid frequencies..

Further enhancing its green credentials, SoundScoop is manufactured from 100 per cent recycled ABS and recycled foam. Passivent is the UK's leading designer and supplier of natural ventilation systems for both domestic and commercial applications. The company has contributed to the BSRIA guide BG2/2005 Wind Driven Natural Ventilation Systems, as well as being a member of the DSCF steering committee on ventilation guidance for schools, Building Bulletin 101.


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