Perimeter Park 4Charleston, SC This new 196,000 SF Class-A office building provides over 192,000 SF of rentable tenant space in Research Triangle Park. With five stories and expansive floor plates, Perimeter Four is part of a master-planned corporate development in close proximity to green space, retail, restaurants, and other amenities. High-end finishes include a rich, neutral palette with dark wood, sleek metal panels, glass, and marble. Dramatic ring lighting inset into ceiling coffers in the lobby draw the eye upward and enliven the public spaces, while recessed wall panels provide dimension and scale in the elevator lobby.