Asona's Mix of Acoustic Solutions for Devonport Library

A one-solution-fits-all policy seldom works at the best of times, and in the case of the newly built Devonport Library, not at all.

Athfield Architects identified several acoustic issues within the build — some caused by the intended usage and others caused by the construction of the building itself.

The architects designed a dramatic undulating ceiling based upon a stylised tree that sweeps up the walls and over the children's area. Filling in the spaces between these fluid wooden forms are Asona's 50mm Baffle Beams in white Sonatex, interspersed with the occasional 75mm Baffle Beam wrapped in a bold Puutharhurrin Parhaat fabric. Some 421 baffles were installed to control the reverberation and squeals of delight from the young library users.

One troublesome area was the ceiling of the mezzanine floor which, because it is under the tin roof of the building, suffers from transmitted noise in heavy down-pours. The solution was to install Asona's Triton Duo 60 — a dual layer composite class A absorber panel with a high mass attenuator backer.

To add texture to what would otherwise be a plain white ceiling, the architects selected Asona's Sonaris P55 (round hole) perforation facing, white on white. This fixed the acoustic issue and offered maximum sound absorption and good attenuation of transmitted noise, while still delivering a unique aesthetic.

Asona also installed Fabwall 50 panels wrapped in a charcoal grey textilla fabric to the main library wall to help control reverberation.

Project Details

Architects: Athfield Architects
Contractor: Naylor Love Construction
Manufactured and supplied by: Asona Limited
Date Completed: 20th of March, 2015

Sonatex

Asona

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Sonatex is a proprietary composite glass mat acoustic laminate designed as a decorative finish to sound absorbing ceiling and wall panels.

Sonatex is designed to provide a decorative acoustically transparent laminate finish to a broad range of ceiling and wall materials such as polyester, mineral fibre, glass fibre board, rockwool, and plasterboard. Panels can be provided at NRC 0.1 to 1.00 and CAC from 15 to 45dB. Perforation options have a dual layer structure, colours or wood prints can be added for effect but white on white remains the most popular option giving a subtle textural finish to white ceilings.

Acoustically Transparent so will not deminsh the NRC of the panel it is applied too.

Fire Rating Group 1-S

Triton Baffle Beam

Asona

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Triton Baffle Beam™ is a New Zealand made high sound absorbing ceiling system designed to provide an attractive linear aesthetic and to control unwanted noise.

Green Tag Certified

NZ Made

NZ-Owned Business

Baffle Beams are ideal for reception areas, corporate offices, corridors, open-plan offices, showrooms, galleries, hospitality, retail and large public spaces.

Lightweight, acoustic alternative to solid wood slat systems suitable for seismic sensitive areas.

Very High Earthquake Zone

Asona Triton Baffle Beams complies to the following NZ Building Codes: B2.3.1 . C3.4, F2.3.1
Fire Reaction - NZBC verification method C/VM2 material group number: 1-S
Clause B2—durability, 5 years

Hazardous Building Materials

Independent Assessment

Test Results

Triton Fabwall

Asona

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Triton Fabwall™ is a high sound absorbing fabric wrapped acoustic wall or ceiling panel designed to provide an attractive finish and control unwanted noise.

Green Tag Certified

NZ Made

NZ-Owned Business

Acoustic wall or ceiling panel

Triton Fabwall 25™ NRC 0.85, for small rooms.
Triton Fabwall 40™ NRC 0.95, best for medium sized rooms.
Triton Fabwall 50™ NRC 1.00, best for office, school, libraries.
Triton Fabwall 75™ 100, 150 best for max sound absorption. from low to high frequency, large volume spaces.
Triton Fabwall 100 Bass, designed for low frequency absorption.

- Fire Reaction - NZBC verification method C/VM2 material group number: 1-S. (Woven polyester, alternatives may perform differently)
- Clause B2 — durability, 5 years

Fire Reaction - NZBC verification method C/VM2 material group number: 1-S. (Woven polyester, alternatives may perform differently)
Clause B2 — durability, 5 years

Durability

Hazardous Building Materials

Independent Assessment

Test Results

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