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Fine-Tuning Acoustics in FMC Tower

Inspiring Innovation and Engagement in Philadelphia’s First Vertical Neighborhood 

CertainTeed Ceilings enhances the employee experience at FMC’s global headquarters 

Encompassing 10 floors of Philadelphia’s 49-story FMC Tower, the new global headquarters for FMC Corporation features workspaces of all types and sizes. While the open-office concept maximized collaboration, natural light, and breathtaking views, it also presented architectural firm Granum A/I with real acoustic challenges.  

To fine-tune acoustic performance without compromising their aesthetic vision, Granum took advantage of the design flexibility of CertainTeed’s Symphony® ceilings collection—a complete range of acoustic solutions offering targeted performance with a consistent appearance.

See how a Targeted Acoustics approach to product selection made the FMC headquarters a towering success.  

When FMC Corporation — one of the world’s leading specialty chemical companies — decided to build a new global headquarters in Philadelphia, the company went to great lengths to create an environment where employees were engaged and inspired to do their best work.  

The goal was to design a forward-thinking workplace that showcases the FMC brand while reflecting the pride and passion employees have for innovation, serving customers, creating value and supporting the community.  

Their vision for a modern-day workplace came to life in 2016 as the FMC Tower at Cira Centre South, a 49-story skyscraper that combines iconic architecture with the latest in LEED-based sustainable design.  

Lauded as Philadelphia’s first vertical neighborhood, FMC Tower brings together office space, residential apartments, a retail/ restaurant pavilion and amenities such as a fitness center, pool and media lounge all under one roof. A one-acre elevated park atop the adjacent parking garage serves as an outdoor retreat for FMC workers and building residents. 

Project FMC: Corporation Global Headquarters  

Location: FMC Tower at Cira Centre South Philadelphia, Pennsylvania  

Size: 250,000 square feet  

Products: Adagio®, Symphony® m, Symphony® f Rx 

Architect: Pelli Clarke Pelli  

Interior Design Architect: Granum A/I 

Turning a Challenge into an Opportunity

Designed by Pelli Clarke Pelli Architects, the stunning high-rise along the western banks of the Schuylkill River stands as the tallest building in Philadelphia’s University City neighborhood, with 10-foot-high ceilings and floor-to-ceiling windows offering panoramic views of the city skyline and landscape.

Relocating from a traditional closed office environment on the other side of the city, FMC seized the opportunity to transform their workplace into a light-filled, open and collaborative space that capitalizes on the dramatic views.

Relocating from a traditional closed office environment on the other side of the city, FMC seized the opportunity to transform their workplace into a light-filled, open and collaborative space that capitalizes on the dramatic views.

To help bring their vision to life, the company commissioned architectural firm Granum A/I to design an interior space incorporating the following elements:  

  • Flexible workspaces that inspire creativity and employee engagement  
  • A bright, naturally lit environment  
  • Sustainable materials to support the company’s commitment to sustainability

The building’s angled shape presented the team at Granum with a unique challenge when designing FMC’s 10 floors of office space.  

“Due to the faceted exterior shaping, every floor was different, so it took a lot of design considerations to make it work,” explains Kim Hong, interior design director at Granum. “Because the building was designed to celebrate views and bring daylight into the core, the faceted corners offered more opportunities for perimeter views and more interesting planning.”  

Granum employed a flexible strategy with a variety of different spaces such as team zones, huddle rooms, focus booths and relaxed social settings, allowing employees to choose the work setting in which they’re most productive. Social space and quiet space anchor each floor, with office space positioned away from the perimeter wall to provide plenty of access to natural light. Meeting spaces in varying sizes and configurations support collaboration and training. Even the cafeteria and café function as work and meeting areas, serving as a crossroads for members of different departments. 

“With the open office environment, we have more variety in different types of spaces,” says Hong. “Even a corridor becomes useful, productive real estate. It’s no longer just a tunnel; it’s also used as meeting and socializing space. So acoustic performance matters.” 

Sound Solutions for an Open Environment 

Stepping in to assist Granum with the product selection, CertainTeed Ceilings sales representative Doug Depte, worked in close collaboration with the designers throughout the project to help them choose the right ceiling panels for the right space. “We developed a multi-product solution that would best meet the building’s needs for acoustic performance without compromising the visual impact or the budget,” Depte says.

In the open office spaces, breakout rooms, quiet areas and corridors, the goal was to manage the acoustics. These spaces often have a lot of ambient noise and hard surfaces that aren’t conducive to sound absorption. For these areas, Granum specified CertainTeed’s Symphony® f, a fiberglass panel with a 0.95 NRC for maximum sound absorption. Symphony f is ideal for absorbing background speech noise in an open office environment.

The enclosed closed huddle rooms, conference rooms and private offices presented a different challenge — how to contain sound and maintain speech intelligibility. Here, Symphony® m provided the solution. The mineral fiber tiles feature a denser base board that blocks sound with a CAC range of 33-41, delivering just the right level of noise containment in these smaller spaces.

In the kitchen, the designers knew they needed to control the acoustics, but they also wanted a solution that would address cleanliness. They selected Rx Symphony® m for its blend of acoustic performance, exceptional durability, cleanability, water repellency and stain resistance — critical features in an area where food is prepared and hygiene is key.  

For the enclosed executive offices, privacy was the main concern. CertainTeed’s Adagio® enables executives to have confidential conversations without the worry of being overheard in the open environment. A composite product that combines the sound absorption properties of high-density fiberglass with the sound containment qualities of mineral fiber, Adagio offers superior acoustical comfort and privacy. Adagio shares the same smooth finish and edge detail as the Symphony line, for a seamless visual aesthetic with targeted acoustic performance.

With a clean, white monolithic look that reflects the abundant daylight, CertainTeed’s Symphony and Adagio ceilings helped the design team to meet one of its most important goals and highlight the building’s best feature. “We wanted to enhance the building’s highest aesthetic qualities without compromising any of the functional and sustainable decisions,” Hong explains. 

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