4900 Fairmont Ave

Bethesda, MD

Client: Preston Partnership

Completion Date: 2015

4900 Fairmont Ave is a 17 story mixed use building with ground floor retail and 245 units. As well as retail the building also includes a fitness area, lounge room, and a game room. The rooftop will be home to a pool, observation area, snack room and an outdoor grill area. Polysonics provided acoustical interior design, HVAC for low noise, noise isolation for mechanical systems, and plumbing noise isolation. Special attention was required to assure acoustical separation between the residential and common areas such as lounge areas, the lobby, and the pool area.


  • Mechanical Equipment Isolation
  • HVAC & Mechanical Noise Control
  • Mechanical Equipment Isolation
  • Noise Level Reduction Analysis
  • Air Handling Units Noise Control
  • Corridor Air Supply Units Noise Control
  • Elevator Noise Control

Services Involved

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