Autex GreenStuf® Acoustic Sound Blanket


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GreenStuf® Acoustic Sound Blanket (ASB) is an acoustic wall insulation used to help make spaces quieter in commercial applications.

Comes in bailed rolls – see variations for specifications

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GreenStuf® Acoustic Sound Blanket (ASB) is a range of 100% polyester acoustic insulation products ideally suited for metal stud wall partitions and as an acoustic ceiling overlay in commercial applications. GreenStuf® ASB is supplied in rolls pre-cut to fit standard metal stud partition walls set at 600mm centres.

Technical & Environmental

Fire Regulations: GreenStuf® insulation may not be suitable for all applications, as stipulated in the New Zealand Building Code (NZBC). Please consult a fire engineer when specifying Greenstuf® insulation or contact your Autex account manager for further information.

Durability: GreenStuf® has a 50 Year Durability Warranty.

Moisture: GreenStuf® is not affected by moisture. Exposure to an atmosphere of 50°C at 90% relative humidity for four days showed moisture absorption by weight of less than 0.03%.

Hazardous Building Materials: GreenStuf® is non-hazardous.

VOC Emission Safe: VOC concentration: 0.01 mg/mÑ (7 days).
GECA/GreenGuard Limit: 0.25 mg mÑ (7 days). Cetec Pty Ltd (Report: RCV080408)

Non-Corrosive: GreenStuf® polyester is considered non-corrosive based on AS/NZS 4859.1 Standard for insulation.

Non-Toxic, Non-Allergenic, Non-Irritant: There are no known hazards with the use or handling of GreenStuf® polyester.

Vermin: GreenStuf® is naturally resistant to insect and vermin attack.

Specification & Substitution: Autex specification documents are available through Masterspec or can be downloaded from our website: The performance and design of GreenStuf® ASB has been engineered to supply a tested and proven sound control system. Substitution of any specified components in a sound control system can significantly compromise the system performance. Products of similar weight and density may not provide equivalent performance, as small variations in fibre size, structure and bonding will affect performance. Accept NO substitutions.

Acoustic Performance: Acoustic performance results are provided as Sound Transmission Class (STC) ratings for metal stud partition walls using 0.55μm steel stud set at 600mm centres and lined both sides with 13mm plasterboard. All GreenStuf® ASB performance testing has been carried out in a laboratory environment. On-site results could vary depending on the system design, quality of materials and installation. ISO Standards: Autex is committed to Quality and Environmental best practice through our ISO 9001 & ISO 14001 certified Quality and Environmental Management Systems.

Environmental: All GreenStuf® products are manufactured using 100% polyester fibre and contain a minimum of 50% previously recycled fibre (from PET plastic). GreenStuf® products are manufactured under Autex’s Zero Waste Programme where all manufacturing waste is recycled back into the production process. GreenStuf® products are Global GreenTag GreenRate Level A certified and can be used to contribute to Green Star and Homestar accreditation. GreenStuf® is also Declare certified to be Red List chemical free and can be used in Living Building Challenge projects. For more information visit

Installation & Applications

Installation: GreenStuf® ASB should be installed in accordance with the manufacturer’s instructions (included in each GreenStuf® ASB pack) and the design detail and specification. For additional information visit