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Seattle, WA 2017

F5 Tower/The Mark

At 660 feet tall and 44 stories, Seattle’s F5 tower boasts complex geometry and exterior stainless steel diagrid panels. The second, third and fourth floors had vertical glass fins on the exterior at the mullions, and the podium included point supported structural glass walls with structural glass fins.

Project Size

349,750 sq. ft.

Building Type

Commercial Office, Hotel

Curtain Wall Product

Single stack custom curtainwall

Project Features

Structural Glass Wall

Owner / Developer

Daniels Real Estate



General Contractor

JTM Construction

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