Acoustic Plus Dual Bloc 35 has the combination of 25mm sound absorbing glass fibre laminated to a 10mm foil lined plasterboard attenuator backer. It is engineered to provide the dual benefit of sound absorption at NRC .70 and a high level of attenuation at approximately CAC 42 for effective control of both reverberation and transmitted noise from adjacent rooms.
Acoustic Plus Dual Bloc will also provide attenuation of rain noise under metal roofing and muffle noise caused by ventilation ducting and is suitable for the following applications: schools, office meeting rooms, medical consultation rooms, general partitioned areas. Hygienic surface finish meets Biodet reference 11/16958 ie. will not support an active level of microbial growth (bacteria, fungi and actinomycetes).
The acoustic performance of this product has been tested and measured by Auckland University Acoustic Services. Available with matching white FasTLock Suspended Seismic Ceiling Grid.