Manufacturers and Suppliers of Decorative and Acoustic Products for Building Interiors; Design Advice for Noise and Reverberation

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BUSINESS PROFILE Company History: Sontext Pty Ltd is a privately owned and operated Australian company specializing in Architectural Acoustic Interiors. Sontext has been in operation for the past 13 years, supplying and installing its own range of sound absorbing panels, lining materials and acoustic treatments to some of Australias most prestigious projects and companies. Sontext also supplies its range of world class decorative and acoustic interior products through well-known trading and distribution companies in the U.S.A., The Middle East, Europe and elsewhere. Sontext personnel offer decades of experience in building productsboth decorative and acoustic in both technical and hands-on roles. The company also has access to dedicated, trained installers, who operate throughout Australia and the Middle East on both new work or interior refits as required.

Business Focus: Sontexts mission is to provide the best and most effective combination of products to achieve optimum sound quality in any interior space, and at the same time to comply with the requirements of the Acoustic Engineer, the Interior Designer, and the occupants on any given building project. Since its inception the company has been supplying products to large public spaces like Performing Arts Centres, Sports Complexes and Shopping Malls, and to small but critical projects such as Recording Studios, Interview Rooms and Boardrooms. Sontexts close associations with major interior fit-out suppliers (like FabriTRAK Systems, USA), as well as numerous fabric companies, and other raw material suppliers around the world ensures a high level of support and service is available for any project.

Australian Film Television and Radio School (AFTRS), Sydney. Acoustic performance of the interior lining products was critical, and specified tightly by Acoustic engineers NDY. Before supply commenced, Sontext tested all products in a certified Acoustic Laboratory. Sontext then undertook the complete fitout of performance spaces, recording studios and other facilities. Using its trained installers, Sontext also installed decorative timber panels to the foyer, atrium, eaves and soffits on this project (pictured).

High Court Australia, Sydney. Sontext Serenity sound absorbing wall panels were supplied to this project to minimize reverberation and optimize speech intelligibility in the courts. Serenity panels were manufactured in several complimentary sizes, and faced with an acoustically transparent, decorative fabric chosen by the Interior Designer.

International Terminal, Melbourne Airport. Sontext has to date supplied and installed three separate refurbishment projects at Melbourne Airport, including the Baggage Carousel No.5 area pictured here, with Sontrend ceiling panels. Sontrend is a mineral based, non-combustible acoustic panel developed by Sontext for such specialized projects. For this application the product was finished in two-pack polyurethane metallic enamel to match adjacent areas of metal pan ceiling. The same product was installed in the shopping area with a cream finish. Sontext manufactured Sontrend panels with a tegular edge so that it could be used with conventional T-bar ceiling grid.

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SerenityLite FORTE` Acoustic Wall Panels

Sound Absorption Serenity Acoustic Panels have been tested in the R.M.I.T. reverberation chamber, a N.A.T.A. registered laboratory, and have achieved Noise Reduction Coefficients (N.R.C.) as shown in the table below. Note: An NRC of 1.06 means that up to 100% of the sound that reached the panel is absorbed. (Increases in low frequency absorption can be achieved by installing the panels with an air gap behind them, or by increasing the thickness of the panels).

Sound Absorption CoefficientsReverberation room method (Hz)

Thickness 125 250 500 1000 2000 4000 N.R.C.

40mm 0.23 0.64 1.11 1.28 1.22 1.08 1.06

Features & Benefits Excellent sound absorption Manufactured from rigid high density

fibrous baseboard, with a nonwoven fibre facing

Humidity & moisture resistant Fire Resistant. Class A Fire Rating

ASTM E84 Lightweight.(approx.3.6kg/mfor

40mm thick panel) Can be easily installed to any existing

interior wall. Ideal for use as sound absorbing wall

coverings to minimise reverberation.

Product Description & Applications SerenityLite Acoustic Wall Panels are part of the Sontextrange of internal noise control systems. The systems are designed to provide extensive design flexibility while at the same time significantly improving the sound quality of internal spaces by controlling reverberation. Interior design trends in modern commercial buildings can often include hard surfaces on ceilings and walls. These hard surfaces can cause problems with reflected sound. These Interior spaces may be difficult to utilise fully simply because (a) noise levels may be unacceptably high, or (b) reverberation causes speech, music, etc., to be hard to hear clearly or is distorted. By incorporating SerenityLite Wall Panels as either a new feature or by fixing them to existing walls, the reduction in unwanted noise can be quite significant. At some frequencies, up to 100% of sound can be absorbed by utilising SerenityLite Panels of appropriate thickness and/or by incorporating an air gap into the wall construction.

For further information, contact Sontext Pty Ltd or its Distributors: VIC State Office & Head Office Australia: 685 Burke Road, Camberwell, Victoria, Australia 3124 T: +61 (0)3 9811 4796 E: sales@sontext.com.au NSW State Office: Suite 1a, Level 2, 802 Pacific Hwy, Gordon, NSW, Australia 2702 T: +61 (0)2 9844 5414

Copyright 2012 by Shamrock Consulting Pty Ltd ,Trading as Sontext, ABN 090 38 090 867 Australia. Murano, Sontext, Sonofonic and Serenity are trade names used by Shamrock Consulting. www.sontext.com.au

SerenityLite FORTE Fixing System

H = Height + 20mm

Facing Colour Range

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SonofonicAcoustic Clouds

Description Acoustic Clouds take the design of suspended ceiling systems into a new dimension. Manufactured from Sontexts well-known Sonofonic sound absorbing acoustic panels, Acoustic Clouds introduce a variety of shapes to ceiling panels, thus allowing the Interior Designer to break free from the constraints of designing to a standardised rectangular ceiling grid pattern. Sonofonic Acoustic Clouds can be used as a complete ceiling system, or as a localised feature area. Either way, the inherent high performance sound absorbing qualities of Sonofonic panels will enhance the dcor of any interior space, and by minimising reverberation or reflected sound, will also provide the occupants with a more comfortable listening and speaking environment.

For more information on the properties of conventional Sonofonic Panels, refer to the Sonofonic Brochure, available from Sontext via the contact details on P.2.

Colour Range

Sonofonic Acoustic Clouds can be finished to any Pantone colour on request. Contact Sontext to discuss your requirements.

Thickness (mm)

Frequency (Hz)

125 250 500 1000 2000 3150 4000 5000 NRC

Sound Absorption Co-efficient

0.23 0.64 1.11 1.28 1.22 1.12 1.08 1.05 1.0650mm

Acoustic Performance

Acoustic tests were performed to ISO354 (Measurement of Sound Absorption in a Reverberation Room). Sonofonic Panels were tested by Tongji University Institute of Acoustics (Shanghai), with a 200mm air gap behind.

InstallationSonofonic Acoustic Clouds can be fabricated to a large variety of regular, asymmetrical and even three dimensional shapes (see P.2). They may be mounted ver-tically or horizontally. Regardless of shape, the intrinsic rigidity of the underlying 50mm thick fibrous, light weight insulation also allows the panels to be suspended individu-ally from a ceiling using Sontexts Spiramount hangers (in accordance with Sontext Installation Instructions), without the need for complex furring channel grid systems. .Examples of recommended layouts for Spiramounts are shown below: 6 minimum are recommended per panel for 2400x1200x50mm panels mounted horizontally, and 2 minimum for 1200x600mm panels mounted vertically. Sontext recommend placing the mounts 100-200mm in from all panel edges to keep the maximum span between fixings to about 1 metre each way, and to help hide them from view. Contact Sontext for further installation advice.

For further information, contact Sontext Pty Ltd or its Distributors:

Vic Office & Head Office Australia: 685 Burke Road, Camberwell, Victoria, Australia 3124 T: +61 (0)3 9811 4796 E: sales@sontext.com.au NSW Office: Suite 1a, Level 2, 802 Pacific Hwy, Gordon, NSW, Australia 2702 T: +61 (0)2 9844 5414

Copyright 2008 by Shamrock Consulting Pty Ltd ,Trading as Sontext P/L, ABN 090 38 090 867 Australia, www.sontext.com.au. Sontext, Murano, Sonofonic, Sonobaffles & Serenity are registered business names used by Shamrock Consulting. Fabritrak is a registered trademark of FabriTRAK Systems, Inc. (USA)

For more information, visit: www.sontext.com.au

Sonofonic Acoustic CloudsStandard Panel Shapes Panels can be fabricated to virtually any shape up to nominal dimensions of 2400 x 1200mm , including those shown below.

Concave

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AcoustiscreenPolyester Fibre Wall Panels

Acoustiscreen -Colourful Acoustic Wall PanelsAcoustiscreen Sound Absorbing Wall Panels are part of the Sontext range of internal noise control systems. The systems are designed to provide maximum decorative design flexibility while at the same time significantly improving the sound quality of internal spaces by minimising reverberation. The Acoustiscreen range provides both colour and acoustic control, with the added advantage of suitability as pin boards. Acoustiscreen is made from polyester fibre, is non-toxic, odourless, and has low volatile content. Acoustiscreen complements the existing Sontext range of fabric-faced and perforated timber acoustic panel products, ensuring our clients have maximum choice of acoustic solutions for interior sound control.

Benefits - Sound absorbing, pinnable surface

Textured fibrous panels in seven colours.

Manufactured from 65% (approx.) recycled polyester fibres.

Humidity & moisture resistant

Odourless, low-VOC content and non-toxic.

Fire resistant

Lightweight (approx. 2.4kg/m2 for 12mm thick panel).

Acoustic Performance By incorporating Acoustiscreen Wall Panels as either a new wall lining or by direct fixing them to existing walls, the reduction in unwanted noise can be quite significant. At some frequencies, up to 100% of sound can be absorbed by utilising Acoustiscreen Panels of appropriate thickness and/or by installing the panels with an air space behind them.Acoustiscreen Panels have been tested in N.A.T.A. registered laboratories in a reverberation chamber, and have achieved Noise Reduction Coefficients (N.R.C.) as shown. (Note: An NRC of 0.85 means that up to 85% of the sound reaching the panel is absorbed. Low frequency absorption can be increased by installing the panels with an air gap behind them, or by increasing the thickness of the panel.

Acoustiscreen Panels have been tested in a reverberation chamber test to AS 1045 1988 Measurement of Sound Absorption in a Reverberation Chamber (based on ISO354).

Sound Absorption Coefficients at various frequencies (Hz)

Thickness 125 250 500 1000 2000 4000 N.R.C.

12mm 0.05 0.10 0.40 0.70 0.90 0.95 0.50

Acoustiscreen Applications. Current interior design trends in modern commercial buildings can often include hard surfaces on ceilings and walls. These hard surfaces can cause problems with reflected sound. These Interior spaces may be difficult to utilise fully simply because (a) noise levels may be unacceptably high or (b) reverberation causes speech, music etc to be hard to hear clearly or is distorted.

Acoustiscreen Acoustic Panels are ideal for use in all types of commercial premises, both new or existing, such as - Boardrooms and Meeting Rooms Convention centres/exhibition centres Sports Centres and Gyms, Multi purpose venues Schools and University classrooms and lecture theatres Churches and Halls Sound recording studios.

Acoustiscreen is designed for installation to virtually any existing interior wall lining, such as plasterboard, brick or concrete. There are many fixing options available, such as framed panels, simple adhesive fixing, etc. Please discuss you requirements with your Sontext Distributor or contact Sontext direct.

Copyright 2008 by Shamrock Consulting Pty Ltd ,Trading as Sontext P/L, ABN 090 38 090 867 Australia, www.sontext.com.au. Sontext, Murano, Sonofonic, Sonobaffles & Serenity are registered business names used by Shamrock Consulting. Fabritrak is a registered trademark of FabriTRAK Systems, Inc. (USA)

For further information, contact Sontext Pty Ltd or its Distributors: Vic Office & Head Office Australia: 685 Burke Road, Camberwell, Victoria, Australia 3124 T: +61 (0)3 9811 4796 E: sales@sontext.com.au NSW Office: Suite 1a, Level 2, 802 Pacific Hwy, Gordon, NSW, Australia 2702 T: +61 (0)2 9844 5414

For more information, visit: www.sontext.com.au

Colour Range Acoustiscreen Acoustic panels are available in a range of 7 colours as shown below. Thse panels can also be combined with facing fabrics if required.

Light Grey

Dazzle Yellow

Chrome Orange

Fruity Green

Silver Grey

Red

Charcoal

Common Panel Sizes (mm)

1200 x 2400 1200 x 600 2400 x 600 1200 x 1200

Thicknesses (mm) 12, (25 and 50mm thicknesses can be supplied on request)

Nominal Weight 2.4kg/m2 at 12mm thick

Composition 100% PET, approx. 65% recycled content.

Material Type Non-woven Fibrous Board

Environmental Non-toxic, odourless, low VOC

Acoustiscreen Characteristics

Specifying Acoustiscreen Polyester Panels To ensure you describe Acoustiscreen Polyester Panels accurately, include the following in you specification: Acoustic or Pinboard Wall or Ceiling Panels shall be Acoustiscreen Polyester Panels from Sontext, Size (...mm thick x ...mm high x ...mm wide) Colour .(name), or Fabric Facing, ..(name), ...(product

code), . (manufacturer) Number of panels required..

Sustainability Acoustiscreen is manufactured from inert polyester fibre, with 65% recycled content. No other adhesives or binders are used to form the product. Acoustiscreen is odourless, and contains no detectable Volatile Organic Compounds (VOC content). Tests indicate Acoustiscreen contains no detectable heavy metals, formaldehyde or phenolic content.

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