Acoustic fencing

by Mark Rowe

A fencing system made from recycled waste plastics that can soak up flying fragments while deflecting noise has been developed by a perimeter systems manufacturer.

Zaun has installed its DBS system for the first time at Fresh Wharf, a former brown-field industrial site in Barking, to stop the estate having to regularly replace a bus shelter which was being shattered by stone chips thrown up by passing vehicles on the adjacent A406 North Circular on the outskirts of London.

Meanwhile the Chobham Academy, a legacy school built on the London 2012 Olympic Park, has chosen Zaun’s DBS acoustic fencing to reduce the impact of noise from the Tube line that runs alongside the school boundary.

Zaun production and technical director Alastair Henman said: ‘This really is extreme innovation to better meet bespoke specifier needs while reducing whole life costs and cutting the overall impact on the environment.’

The mixed-plastic-waste panels can be incorporated onto any of the firm’s range of fencing post and panel systems, so specifiers can tailor the solution. The panels are claimed to be easy to erect and low maintenance and suffer low repair needs, reducing the whole life cost of the fencing system.

The Home Office has tested the panels to PBAS V 2.1 EP BASE Standard for resisting manual attacks, while their V50 is 344.6m/s against .22 17gr 1.1g skirted fragment simulating projectiles to STANNAG 2920.

The panels’ acoustic-loss properties have been rated B3 with a 36dB loss under BS EN 1793-2. They have also been subjected to 500-hour accelerated weathering, fire tested and achieved an R-value of 0.98 in smoke and toxicity tests according to BS 6853:1999: Annex B.2, within the regulations set out for use on the London Underground.

Zaun integrated DBS onto its Duo fencing for the Fresh Water Estate in Barking. Estate manager Flavia Jokic said: ‘We were delighted with the end solution. The complete package of protection from stone chips thrown up by vehicles, superb noise reduction and an attractive and robust solution simply wasn’t available anywhere else.’

About Zaun Limited

Manufacturers of perimeter protection systems within the UK with regional offices in France and Dubai, Zaun offer temporary, PAS68 and permanent fencing solutions as well as expertise in integrating CCTV and PID systems. Zaun was founded in 1996 by directors Alastair Henman and Paul Painter and remains a privately owned company, manufacturing in the UK at its five-acre production site in the West Midlands. Zaun manufactures to ISO 9001:2008 standards and is a member of the ethical supply chain initiative, Sedex. It is also a member of the Perimeter Security Suppliers’ Association (PSSA), for which Painter is a founding member and director; the Fencing Contractors’ Association (FCA), for which Henman is a committee member; and the Sports and Play Construction Association, SAPCA. Its systems carry a 12-year product guarantee.

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