Meeting Room Soundproofing
Acoustic Consultant: Renzo Tonin and Associates
Location: Suite 218, 87 Gladstone Street, South Melbourne VIC
Meeting Room Noise Problems
The meeting room had plasterboard and glass walls, an exposed concrete soffit and low pile carpet tiles over a concrete slab floor.
The high level of reverberation significantly hampered the speech intelligibility of meetings, teleconferences and telephone calls conducted within
Meeting Room Soundproofing Solution
To mitigate excessive reverberation in the meeting room, Renzo Tonin & Associates organised to have twelve 1200 x 600 x 100mm Megasorber P100WR-WH(GP)
panels attached to the exposed concrete soffit.
- Product: Megasorber P100G-RW: 100mm thick acoustic panels with a white water-repellent, fireproof and sound absorbing Soundmesh
- Panel size: 1200mm x 600mm x 100mm (thick)
- Installation: Panels attached to exposed concrete soffit with Megasorber A100 spray adhesive.
- Total number of panels installed: 12.
The reverberation time was measured by an acoustic engineer at Renzo Tonin & Associates before and after the installation of Megasorber P100.
The results are shown below in Fig.1
Before soundproofing installation: The reverberation time at key speech frequencies (250-2000 Hz) was up to 1.3 seconds. Australian
Standard 2107:2000 recommends a maximum reverberation time between 0.6 and 0.8 seconds for such spaces.
After soundproofing installation: The reverberation time at the key speech frequencies dropped to 0.4-0.7 seconds, complying with
the Australian Standard recommendations. The speech Intelligibility of meetings, teleconferences and telephone calls within the room significantly
Fig.1: Reverberation Time Measured Before and After Installation of Megasorber P100
(Courtesy of Renzo Tonin & Associates)
Conclusion: Megasorber P100 reduced the reverberation in the meeting room significantly with only twelve panels installed. The
acoustic engineers at Renzo Tonin & Associate were very pleased with the soundproofing outcome.
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