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James Hardie Optimises Acoustic Performance in New Media Centre

Project Overview

New Zealand Media and Entertainment (NZME), formerly APN NZ, is the anchor tenant in a media centre being built at 151 Victoria St West in Auckland by property developer Manson TCLM. The company will occupy 8,300m² across three levels to bring all its operations into one area, including the NZ Herald and The Radio Network.

Architectural designer Telco NZ and acoustic consultants Marshall Day specified an acoustic structural flooring solution by James Hardie to optimise acoustic performance and enable its radio, publishing, and digital operations to operate side-by-side in this state-of-the-art media centre.

The solution

For studios a very low background noise is desirable. If studios share a common slab with other activities then sound transmitted via the floor slab can be problematic. Potential sources of noise are footfall, sound from nearby offices, equipment noise, and sound from other studios. By using a floating floor in the studios, they are protected from these noise sources.

James Hardie provided the solution which enabled high acoustic performance to be achieved. The compressed sheets were installed on timber battens and a rubber cradle in this project.

Technical Support Manager, Singh Kamboj, at James Hardie explains how the system works, "Impact noise is absorbed into the rubber cradles, which means no echo or squeaks for optimum acoustic performance — critical to this studio setting."

Nick Brkan, Alaska Interiors Project Manager, says it was his first time using this system for this type of application. "The flooring system was installed in four studios downstairs and one room upstairs. The installation was a simple process, despite the fact that no rooms were square."

While the HardiePanel compressed sheet flooring system provides the necessary acoustic performance required of a commercial building of this nature, it exceeds the minimum Impact Insulation Class (IIC) of 55 for floors as specified in Clause G6 of the New Zealand Building Code and Sound Transmission Class (STC) when used on almost all available structural floor systems. The use of the HardiePanel compressed sheet flooring system reduces the need for impact underlays and high performance ceiling systems.

James Hardie fibre cement products are also manufactured using low-toxicity raw materials. The new media centre has been designed to a 5-Green star rating and the selection of this James Hardie floor system will help achieve a sustainable, healthy, and high-quality environment for NZME.

Project Details:

Location: 151 Victoria St West, Auckland
Project Type: Commercial building
Builder: Alaska Interior

Specifier: Telco NZ
Acoustic Engineers: Marshall Day Acoustics
Developer: Manson TCLM

For further information, call 0800 808 868, email [email protected] or visit the James Hardie website.

View more information on James Hardie, including contact details.
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