Project Overview
Acoustic renovation for a 3,200㎡ corporate headquarters office park, encompassing open-plan workstations, multi-size conference rooms, executive negotiation suites and public reception areas. The original space features extensive glass partitions and painted drywall, resulting in long reverberation time, noticeable cross-station voice crosstalk, and insufficient speech privacy in negotiation areas. The client requires the acoustic solution to meet Class A fire protection standards, E0 environmental protection requirements, and maintain a minimalist high-end interior style with no obvious traces of functional retrofitting.
Solution Deployment
The solution deploys a zoned acoustic matching scheme across the entire site:
- Open work areas: Fully paved with 100% recycled polyester fiber acoustic panels, NRC 0.85–0.95, E0 grade formaldehyde-free, ultra-low VOC emission. Panels are custom color-matched to the interior palette, CNC precision cut and seamlessly spliced, absorbing mid-high frequency noise such as human voice and keyboard percussion, and effectively reducing overall ambient reverberation.
- Conference rooms & executive suites: High-density fiberglass core fabric wrapped acoustic panels are installed on the main reflection surfaces of side walls and rear walls, NRC 0.85–1.0, optimizing first reflection points, eliminating flutter echo, and improving meeting speech clarity and negotiation dialogue confidentiality.
- Reception & public corridors: Partially fitted with decorative shaped polyester panels, balancing public area sound absorption and visual aesthetics.
All materials have passed ASTM E84 / EN 13501 Class A fire certification. The whole project is constructed in phases during night hours, with a total duration of 22 days, without disrupting the client’s normal daily operations.
Project Outcome
Final testing confirms reverberation time in the open office area is reduced to the recommended standard for modern office buildings, cross-station voice crosstalk is significantly reduced, and speech privacy in negotiation rooms meets corporate confidentiality benchmarks. The acoustic materials integrate highly with the interior design, with no visible industrial retrofitting traces, and pass indoor air quality and fire safety assessments.
