Stratocell Whisper^®

The Ultimate Sound Absorber for Australian Environments

Stratocell Whisper Acoustic Panels

Stratocell Whisper® is a revolutionary low density closed-cell polyethylene metamaterial foam acoustic sheet with a unique honeycomb-like matrix structure that delivers unparalleled sound absorption performance.

With the highest possible Noise Reduction Coefficient (NRC) rating of 1.0, and a Transmission Loss (TL) performance of 13.8dB, this premium acoustic solution is designed to treat the most challenging noise problems in homes, businesses, industrial & infrastructure environments.

Stratocell Whisper is fibre & polyester free, does not rely on mass nor density, & faces directly onto the noise source, without the need for perf or a protective covering.

Explore our complete range of sound absorbers for effective acoustic treatment.

Stratocell Whisper in Black, grey and white on the ceiling in work canteen

Stratocell Whisper Solves Noise Problem at the Wollondilly Leisure Centre

The Perfect Acoustic Solution – Stratocell Whisper

Superior Performance in Australian Conditions

Stratocell Whisper® is specifically engineered to withstand:

Harsh UV exposure from Australia’s intense sunlight
High humidity in coastal and tropical regions
Moisture and water in outdoor areas & indoor swimming pools
Temperature fluctuations common across Australian seasons
Fire FR version is Group 1 Fire Rated for indoor applications

Features and Benefits

Unmatched Sound Absorption

NRC Rating of 1.0 – The highest possible sound absorption rating, providing maximum noise reduction
Eliminates Echo and Reverberation – Creates improved speech intelligibility and clearer sound environments by reducing reflected noise
Effective Across All Frequencies – Performs exceptionally well across the entire sound spectrum and especially well at challenging lower frequencies

Environmentally Friendly

Fibre-Free Material – Doesn’t crumble or emit irritating particles
No Harmful Emissions – Free from corrosive gases and VOCs
Durable and Long-Lasting – Reduces waste through less input required and extended product lifecycle

Practical and Easy to Use

Lightweight Construction – Less than 1.35kg per square meter for easy handling and installation
Simple to Cut and Shape – Can be customized with standard tools for perfect fit in any space
Multiple Thickness Options – Available in 20mm to 100mm thicknesses to suit different applications
Standard Panel Size – 2400 x 1200mm sheets for efficient coverage of large areas

Durable and Versatile

Moisture Resistant – Ideal for indoor swimming pools, humid environments and outdoor applications
UV Resistant Option – Withstands Australia’s harsh sunlight without acoustic degradation
Fire-Retardant Options – Available in FR version with Group 1 Fire Rating for safety-critical indoor installations
Chemical-Resistant – Unaffected by cleaning chemicals, chlorine, and other common substances
Fibre free – so won’t support mould growth. Ideal for medical & food handling environments
Washable – hose sheets down including low-pressure wash

Stratocell Whisper Applications

Residential

Home theatre and entertainment rooms
Home offices and study areas
Aircon & Pool Pump screens & enclosures
Garages and workshops

Commercial

Restaurants and cafes
Offices and meeting rooms
Leisure and Aquatic centres
Public and Retail spaces including medical, entertainment, food courts, carparks, corridors and common areas and basement and rooftop plant and equipment

Specialised Environments

Recording studios and music venues
School Halls, gymnasiums. shooting ranges, and sports facilities including outdoor stadiums
Industrial facilities, factories and warehouses
Gensets and Pumping Stations
Infrastructure works including waste and recycling plants, and road and rail noise barrier walls

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Installation Options

Stratocell Whisper® offers versatile installation possibilities:

Wall Mounting – Direct fix to walls and ceilings for maximum coverage
Ceiling Suspension – Hang as vertical baffles and or horizontal rafts for superior, boosted, overhead sound control
Custom Shapes – Cut into decorative patterns for aesthetic installations
Modular Arrangements – Create artistic and functional acoustic designs

Why Choose Stratocell Whisper® for Your Australian Project?

Unlike traditional acoustic materials that deteriorate in challenging environments, Stratocell Whisper® maintains its exceptional performance in Australia’s diverse conditions.

Its closed-cell structure prevents water absorption, making it ideal for humid and moist environments where traditional acoustic materials may fail.

The combination of superior sound absorption, durability in harsh conditions and versatile application options makes Stratocell Whisper® the preferred choice for acoustic professionals across Australia.

Property Specifications

Property	Specification
Material	Closed-cell polyethylene foam
NRC Rating	1.0 (Class A Absorption)
Panel Size	1200mm x 2400mm
Thickness Options	20mm to 100mm
Weight	Less than 1.5kg/m²
Fire Rating (FR version)	Group 1 Fire Rating
UV Protection	Available in UV-resistant version
Colour Options	White FR Grey/Black Dual FR – 1 side grey, other black Black UV Grey UV – Eco