Main Tower is a 56-story, 665,522-square-foot office tower located in Frankfurt, Germany. Soaring 656 feet above the street, Main Tower is the fifth tallest building in Europe. Featuring fully operable windows throughout the building and many other energy saving features, Main Tower established a new architecural and energy saving standard in the Frankfurt marketplace.
Construction began in September 1996, and the project was completed in the fall of 1999.