The building's construction required 20,000 cubic meters of concrete and 8,000 tons of structural steel.
The circular part of the tower has a diameter of 34.5 meters, while the square tower measures 34.5 by 34.5 meters.
The building is designed to be earthquake-resistant, featuring a deep foundation anchored 17 meters into the bedrock.
A specialized glass-cleaning system uses a rail-mounted machine to navigate the exterior of the high-rise.
The lobby features a 3-story high-resolution video wall displaying artistic digital installations.
The Main Tower is the only skyscraper in Frankfurt am Main with a public viewing platform, reaching an architectural height of 200 meters. The building consists of two interconnected structures: a square tower and a circular tower. It is home to the Hessischer Rundfunk television studio, which features a broadcasting antenna that extends the total height to 240 meters. Visitors access the observation deck via high-speed elevators that transport them to the 56th floor. The site houses a significant collection of contemporary art, including the prominent 'Main Tower' mosaic by Stephan Huber in the lobby. The structure utilizes a composite steel and concrete construction method. It serves as a central hub for major financial institutions and media companies in the city's banking district. The facade is composed of approximately 2,500 windows, creating a distinctive blue-green appearance.
The north-facing corner of the observation deck offers the most unobstructed view of the Frankfurt skyline and the Alte Oper.
Check the weather forecast for visibility levels before your visit, as low clouds can obscure the view.
Book your entry online in advance during peak tourist seasons or weekends to avoid capacity-related entry delays.
Bring a windbreaker, as winds at the observation deck level are significantly stronger than at ground level.
Do not visit during heavy rain or thick fog, as visibility from the observation deck will be extremely limited.
The observation deck may close temporarily during severe weather conditions including high wind speeds or thunderstorms.
Security screening is mandatory for all visitors; avoid bringing large backpacks or tripods.