R&D Division of

SilentUP®Retractable Noise Barrier

aihk.hk info@aihk.hk (852) 2702-2007

Roadworks BreakingDrilling

Piling Loading Unloading

Concreting

PATENTED

THE WORLD’S FIRSTRETRACTABLE NOISE BARRIER

27dB(A) NOISE REDUCTION*

* Tested with white noise source with SilentUP® STC24Happy Valley Race Course

Product of Hong Kong

SilentUP®

aihk.hk info@aihk.hk (852) 2702-2007R&D Division of

ProfessionalsTeam

Open during Occasional Gusts

LightAutomatic

Wind Load Relief Customization

Noise Reduction

Night-timeInstallation

ExcellentGap Sealing

Portable

SpaceEfficient

ShortSet-up Time

~ 10 mins

< 1.5 m

SilentUP®

Construction Noise Control Panel

8 kg

↓26 dB(A) 27

Product Description

SilentUP® is a patented retractable noise barrier for construction works and outdoor music events. It can be easily installed and mobilized by people without using any machines. No concrete foundation is required and the installation process is quiet enough to be conducted even at night time. The panels are installed upwards from ground level and connected by magnetic gap sealing.

Our product has been widely used in Hong Kong. Visit our website for the job references aihk.hk/SilentUP/reference.

Benefits ӹ Quiet and manual installation ӹ Flexible construction site planning ӹ Facilitate Construction Noise Permit

(CNP) application process ӹ Minimize noise complaints ӹ No concrete foundation required

Technical InformationSilentUP® noise barrier material conforms to the flammability requirement specifications.

BS5867-2:2008 TYPE BGB8624-1997 TYPE B1

Product SpecificationSTC 18 24Insertion Loss* 22 dB(A) 27 dB(A)Modular Weight 5kg 8kgMaximum Height 7m 5mModular Size 1m(H) x1.35m(W)Standard Colour GreyPanel Thickness 100mm on edges

* Tested with white noise source

Installation videos available at aihk.hk/youtube

“Some of our contractors have used the retractable noise barriers to facilitate CNP

application. They have found this innovative product useful – lightweight, easy to manoeuvre,

and fit for purpose.”

“We are impressed by SilentUP’s quick installation and relocation,

it is definitely one of the best innovations and practicable

approaches for the noise mitigation measures for the

construction activities.”Lighting ChanEnvironmental Compliance Support Manager, Leighton Asia Ltd

“SilentUP is definitely a useful tool to minimize the

noise pollution. We successfully obtained a CNP and most

importantly no complaint has been received from the NSRs.”

Clarence YeungEnvironmental OfficerChun Wo Construction and Engineering Co. Ltd

“We are happy with Acoustics Innovation’s professional service

(SilentUP Noise Barrier) in helping us achieve our noise

mitigation goals.”

Ronald FungProject QA & Environmental ManagerKier - Laing O’Rourke - Kaden Joint Venture

Richard KwanEnvironment ManagerMTR Corporation Ltd

Client Feedback

Sound Transmission Loss

6 8 7 7 7 912

1520

2326 28

31 32 33 34

711 10 11

1417

20 2225

27 29 31 33 35 37 39

0

10

20

30

40

125 250 500 1000 2000 4000

Soun

d Tr

ansm

issi

on lo

ss,

dB(A

)

Frequency, Hz

SilentUP STC18SilentUP STC24

Testing method in accordance with ASTM E90 - 09

Care has been taken to ensure the provided information is accurate, but Acoustics Innovation Ltd, does not accept responsibility or liability for errors or information which is found to be misleading.